Internet Engineering Task Force (IETF)R. Fielding, Editor
Request for Comments: 7234Adobe
Obsoletes: www partnersuche de verlieben trailerM. Nottingham, Editor
Category: Standards TrackAkamai
ISSN: 2070-1721J. Reschke, Editor
greenbytes
June 2014

singlebörse kärnten kostenlos Hypertext Transfer Protocol (HTTP/1.1): Caching

ted how i hacked online dating

welche eigenschaften lieben männer bei frauen The Hypertext Transfer Protocol (HTTP) is a stateless application-level protocol for distributed, collaborative, hypertext information systems. This document defines HTTP caches and the associated header fields that control cache behavior or indicate cacheable response messages.chat ohne email angabe

chat kostenlos ohne email anmeldung

welche eigenschaften mögen männer bei frauen This is an Internet Standards Track document.chat fun 2000 ohne anmeldung

vera partnervermittlung salzburg This document is a product of the Internet Engineering Task Force (IETF). It represents the consensus of the IETF community. It has received public review and has been approved for publication by the Internet Engineering Steering Group (IESG). Further information on Internet Standards is available in Section 2 of RFC 5741.fun chat ohne anmeldung kostenlos

partnersuche frauen äthiopien Information about the current status of this document, any errata, and how to provide feedback on it may be obtained at fun2000 chat ohne anmeldung.my fun chat ohne anmeldung

singles aus deiner stadt lyrics

partnersuche frauen über 50 Copyright © 2014 IETF Trust and the persons identified as the document authors. All rights reserved.singles aus deiner stadt lichtenfels

best free dating site in brazil This document is subject to BCP 78 and the IETF Trust's Legal Provisions Relating to IETF Documents (antenne bayern chat ohne anmeldung) in effect on the date of publication of this document. Please review these documents carefully, as they describe your rights and restrictions with respect to this document. Code Components extracted from this document must include Simplified BSD License text as described in Section 4.e of the Trust Legal Provisions and are provided without warranty as described in the Simplified BSD License.chat ab 12 jahren kostenlos ohne anmeldung

free online dating sites in brazil This document may contain material from IETF Documents or IETF Contributions published or made publicly available before November 10, 2008. The person(s) controlling the copyright in some of this material may not have granted the IETF Trust the right to allow modifications of such material outside the IETF Standards Process. Without obtaining an adequate license from the person(s) controlling the copyright in such materials, this document may not be modified outside the IETF Standards Process, and derivative works of it may not be created outside the IETF Standards Process, except to format it for publication as an RFC or to translate it into languages other than English.flirt chat ohne registrieren schweiz


chat seiten die kostenlos sind gratis partner finden tipps

100 free dating sites in brazil HTTP is typically used for distributed information systems, where performance can be improved by the use of response caches. This document defines aspects of HTTP/1.1 related to caching and reusing response messages.gratis partner finden test

list of free dating sites in brazil An HTTP cache is a local store of response messages and the subsystem that controls storage, retrieval, and deletion of messages in it. A cache stores cacheable responses in order to reduce the response time and network bandwidth consumption on future, equivalent requests. Any client or server MAY employ a cache, though a cache cannot be used by a server that is acting as a tunnel.single tipps partnersuche

free online dating sites in dubai A shared cache is a cache that stores responses to be reused by more than one user; shared caches are usually (but not always) deployed as a part of an intermediary. A private cache, in contrast, is dedicated to a single user; often, they are deployed as a component of a user agent.coole chat seiten kostenlos

totally free dating sites in dubai The goal of caching in HTTP/1.1 is to significantly improve performance by reusing a prior response message to satisfy a current request. A stored response is considered "fresh", as defined in deutsche chat seiten kostenlos, if the response can be reused without "validation" (checking with the origin server to see if the cached response remains valid for this request). A fresh response can therefore reduce both latency and network overhead each time it is reused. When a cached response is not fresh, it might still be reusable if it can be freshened by validation (die besten chat seiten kostenlos) or if the origin is unavailable (partnerbörse singles mit niveau).partnersuche alleinerziehende singles berlin

gratis partner finden gratis partnersuche alleinerziehende singles uk

free dating websites in dubai The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in [RFC2119].welche chatseiten sind kostenlos

free dating site in dubai uae Conformance criteria and considerations regarding error handling are defined in partnersuche kostenlos in österreich of [RFC7230].chat sites like omegle for ipad

chat like omegle for ipad partnersuche kostenlos ohne registrierung österreich

100 free dating sites in dubai This specification uses the Augmented Backus-Naur Form (ABNF) notation of [RFC5234] with a list extension, defined in gratis partner finden münchen of [RFC7230], that allows for compact definition of comma-separated lists using a '#' operator (similar to how the '*' operator indicates repetition). luzifer single chat partnerbörse describes rules imported from other documents. wechat for java mobile lg shows the collected grammar with all list operators expanded to standard ABNF notation.wechat for java mobile

wechat for java mobile 240x400 wechat java mobile9

best free dating site in dubai The delta-seconds rule specifies a non-negative integer, representing time in seconds.wechat for java mobile nokia asha 303

best free dating sites in dubai A recipient parsing a delta-seconds value and converting it to binary form ought to use an arithmetic type of at least 31 bits of non-negative integer range. If a cache receives a delta-seconds value greater than the greatest integer it can represent, or if any of its subsequent calculations overflows, the cache MUST consider the value to be either 2147483648 (231) or the greatest positive integer it can conveniently represent.wechat for java mobile 240x320

wechat for java mobile jar yahoo chat room karachi without registration

partnersuche linz land führerscheinstelle Proper cache operation preserves the semantics of HTTP transfers ([RFC7231]) while eliminating the transfer of information already held in the cache. Although caching is an entirely OPTIONAL feature of HTTP, it can be assumed that reusing a cached response is desirable and that such reuse is the default behavior when no requirement or local configuration prevents it. Therefore, HTTP cache requirements are focused on preventing a cache from either storing a non-reusable response or reusing a stored response inappropriately, rather than mandating that caches always store and reuse particular responses.pakistani yahoo chat rooms

play anime dating sim games online free Each cache entry consists of a cache key and one or more HTTP responses corresponding to prior requests that used the same key. The most common form of cache entry is a successful result of a retrieval request: i.e., a pakistan yahoo chat rooms response to a GET request, which contains a representation of the resource identified by the request target (beste chat seiten kostenlos of [RFC7231]). However, it is also possible to cache permanent redirects, negative results (e.g., bosnische chatseiten kostenlos), incomplete results (e.g., partnersuche alleinerziehende singles project), and responses to methods other than GET if the method's definition allows such caching and defines something suitable for use as a cache key.single partnerbörse wien

singlebörse ohne premium mitgliedschaft parship The primary cache key consists of the request method and target URI. However, since HTTP caches in common use today are typically limited to caching responses to GET, many caches simply decline other methods and use only the URI as the primary cache key.single partnerbörse zürich

100 free dating site in czech republic If a request target is subject to content negotiation, its cache entry might consist of multiple stored responses, each differentiated by a secondary key for the values of the original request's selecting header fields (single partnerbörse zoosk).beste datingseite kostenlos runterladen

singles aus deiner stadt geldern beste gratis dating seite schweiz

partnersuche griechenland kostenlos A cache MUST NOT store a response to any request, unless: gratis partner finden berlin

partnersuche frauen mexiko Note that any of the requirements listed above can be overridden by a cache-control extension; see yahoo chat room pakistani.free pakistani indian chat rooms yahoo

partnersuche frauen mit kind In this context, a cache has "understood" a request method or a response status code if it recognizes it and implements all specified caching-related behavior.yahoo canada free chat rooms

free french dating site france Note that, in normal operation, some caches will not store a response that has neither a cache validator nor an explicit expiration time, as such responses are not usually useful to store. However, caches are not prohibited from storing such responses.online dating wie schnell treffen

online dating erstes treffen wann online dating wann treffen

singlebörse ohne premium mitgliedschaft umgehen A response message is considered complete when all of the octets indicated by the message framing ([RFC7230]) are received prior to the connection being closed. If the request method is GET, the response status code is yahoo messenger pakistani chat rooms, and the entire response header section has been received, a cache MAY store an incomplete response message body if the cache entry is recorded as incomplete. Likewise, a single partnerbörse vergleich response MAY be stored as if it were an incomplete how can i open yahoo chat room in pakistan cache entry. However, a cache MUST NOT store incomplete or partial-content responses if it does not support the how to open yahoo chat room in pakistan 2013 and partnersuche kostenlos österreich zeitung header fields or if it does not understand the range units used in those fields.single alleinerziehend partnersuche

german dating sites in english A cache MAY complete a stored incomplete response by making a subsequent range request ([RFC7233]) and combining the successful response with the stored entry, as defined in single auf partnersuche. A cache MUST NOT use an incomplete response to answer requests unless the response has been made complete or the request is partial and specifies a range that is wholly within the incomplete response. A cache MUST NOT send a partial response to a client without explicitly marking it as such using the beste datingseite kostenlos xp status code.russische frauen kennenlernen in deutschland

russische frauen kennenlernen ohne anmeldung russische frauen kennenlernen seriös

germany dating sites in english A shared cache MUST NOT use a cached response to a request with an russische frauen kennenlernen erfahrungen header field (russische frauen kennenlernen in köln of [RFC7235]) to satisfy any subsequent request unless a cache directive that allows such responses to be stored is present in the response.russische frauen kennenlernen berlin

free dating sites in harare In this specification, the following russische frauen kennenlernen forum response directives (russische frauen kennenlernen schweiz) have such an effect: must-revalidate, public, and s-maxage.russische frauen kennenlernen in hamburg

100 free dating sites in zimbabwe Note that cached responses that contain the "must-revalidate" and/or "s-maxage" response directives are not allowed to be served stale (free canada chat rooms) by shared caches. In particular, a response with either "max-age=0, must-revalidate" or "s-maxage=0" cannot be used to satisfy a subsequent request without revalidating it on the origin server.chat seiten kostenlos legal

partnersuche alleinerziehende singles holidays chat ohne anmeldung als gast

free online dating sites in zimbabwe A response might transfer only a partial representation if the connection closed prematurely or if the request used one or more Range specifiers ([RFC7233]). After several such transfers, a cache might have received several ranges of the same representation. A cache MAY combine these ranges into a single stored response, and reuse that response to satisfy later requests, if they all share the same strong validator and the cache complies with the client requirements in private frauen kontakte hinzufügen of [RFC7233].fun chat 2000 kostenlos ohne anmeldung

free dating sites for zimbabweans When combining the new response with one or more stored responses, a cache MUST: gratis partner finden kostenlos

partnersuche für alleinerziehende mütter und väter partnersuche für alleinerziehende mütter

free dating sites in columbus ga When presented with a request, a cache MUST NOT reuse a stored response, unless: single partnerbörsen

free dating sites in ga Note that any of the requirements listed above can be overridden by a cache-control extension; see frauen ab 40 suchen youtube.chat seite kostenlos erstellen

free online dating sites in georgia When a stored response is used to satisfy a request without validation, a cache MUST generate an online partnersuche österreich kostenlos header field (frauen ab 40 suchen xp), replacing any present in the response with a value equal to the stored response's current_age; see frauen ab 40 suchen xing.partnerbörse für alleinerziehende

free dating sites in atlanta georgia A cache MUST write through requests with methods that are unsafe (partnersuche raum stuttgart of [RFC7231]) to the origin server; i.e., a cache is not allowed to generate a reply to such a request before having forwarded the request and having received a corresponding response.1000 chat ohne anmeldung

free dating sites in macon ga Also, note that unsafe requests might invalidate already-stored responses; see single mit kind sucht frau.single frau mit kind sucht partner

free dating sites in augusta ga When more than one suitable response is stored, a cache MUST use the most recent response (as determined by the partnersuche für alleinerziehende test header field). It can also forward the request with "Cache-Control: max-age=0" or "Cache-Control: no-cache" to disambiguate which response to use.partnersuche stuttgart youtube

free dating sites in glasgow scotland A cache that does not have a clock available MUST NOT use stored responses without revalidating them upon every use.ist partnersuche de kostenlos nutzen

ist partnersuche de kostenlos runterladen www.single mit kind sucht

free dating in glasgow When a cache receives a request that can be satisfied by a stored response that has a frauen ab 40 suchen jungen mann header field (frauen ab 40 suchen mann of [RFC7231]), it MUST NOT use that response unless all of the selecting header fields nominated by the Vary header field match in both the original request (i.e., that associated with the stored response), and the presented request.private frauen kontakte löschen

free dating sites glasgow area The selecting header fields from two requests are defined to match if and only if those in the first request can be transformed to those in the second request by applying any of the following: free pakistani yahoo chat room

  • adding or removing whitespace, where allowed in the header field's syntax
  • combining multiple header fields with the same field name (see www partnersuche de verlieben streaming of [RFC7230])
  • normalizing both header field values in a way that is known to have identical semantics, according to the header field's specification (e.g., reordering field values when order is not significant; case-normalization, where values are defined to be case-insensitive)

free dating sites in glasgow If (after any normalization that might take place) a header field is absent from a request, it can only match another request if it is also absent there.yahoo messenger online chat mobile

100 free dating sites in california A ist partnersuche de kostenlos spielen header field-value of "*" always fails to match.ist partnersuche de wirklich kostenlos

free dating sites in northern california The stored response with matching selecting header fields is known as the selected response.partnersuche.de was ist kostenlos

free online dating websites in california If multiple selected responses are available (potentially including responses without a Vary header field), the cache will need to choose one to use. When a selecting header field has a known mechanism for doing so (e.g., qvalues on single mit kind sucht partner and similar request header fields), that mechanism MAY be used to select preferred responses; of the remainder, the most recent response (as determined by the mirjam pack single mit kind sucht header field) is used, as per ist partnersuche de kostenlos online.single mit kind sucht vater

100 free dating site in california If no selected response is available, the cache cannot satisfy the presented request. Typically, it is forwarded to the origin server in a (possibly conditional; see partnersuche stuttgart vaihingen) request.partnersuche in england deutschland

partnersuche stuttgarter zeitung single mit kind sucht single mit kind

free online dating sites in california A fresh response is one whose age has not yet exceeded its freshness lifetime. Conversely, a stale response is one where it has.single mit kind sucht orf kandidaten

free dating sites in california usa A response's freshness lifetime is the length of time between its generation by the origin server and its expiration time. An explicit expiration time is the time at which the origin server intends that a stored response can no longer be used by a cache without further validation, whereas a heuristic expiration time is assigned by a cache when no explicit expiration time is available.partnersuche online österreich jobs

free dating sites in south florida A response's age is the time that has passed since it was generated by, or successfully validated with, the origin server.free chat lines in ontario california

free black dating sites in florida When a response is "fresh" in the cache, it can be used to satisfy subsequent requests without contacting the origin server, thereby improving efficiency.free trial chat lines ontario

100 free dating sites in florida The primary mechanism for determining freshness is for an origin server to provide an explicit expiration time in the future, using either the free chat lines in london ontario header field (partnersuche in österreich online) or the max-age response directive (ist partnersuche de kostenlos lernen). Generally, origin servers will assign future explicit expiration times to responses in the belief that the representation is not likely to change in a semantically significant way before the expiration time is reached.ist partnersuche de kostenlos legal

free dating sites in jacksonville florida If an origin server wishes to force a cache to validate every request, it can assign an explicit expiration time in the past to indicate that the response is already stale. Compliant caches will normally validate a stale cached response before reusing it for subsequent requests (see seriöse partnervermittlung schweiz jobs).chat online ohne anmeldung 2000

free dating sites in orlando florida Since origin servers do not always provide explicit expiration times, caches are also allowed to use a heuristic to determine an expiration time under certain circumstances (see chat ohne anmeldung 2000).chat and practice your english apk

free dating sites in central florida The calculation to determine if a response is fresh is:

   response_is_fresh = (freshness_lifetime > current_age)

free dating sites in panama city florida freshness_lifetime is defined in chat and practice your english with matt; current_age is defined in ist partnersuche de kostenlos anmelden.partnerbörse für alleinerziehende chat

free online dating sites in florida Clients can send the max-age or min-fresh cache directives in a request to constrain or relax freshness calculations for the corresponding response (partnerbörse für alleinerziehende christen).single chat ohne anmeldung

free dating sites in us military When calculating freshness, to avoid common problems in date parsing:ist partnersuche de kostenlos youtube

  • Although all date formats are specified to be case-sensitive, a cache recipient SHOULD match day, week, and time-zone names case-insensitively.
  • If a cache recipient's internal implementation of time has less resolution than the value of an HTTP-date, the recipient MUST internally represent a parsed best free live chat programs date as the nearest time equal to or earlier than the received value.
  • A cache recipient MUST NOT allow local time zones to influence the calculation or comparison of an age or expiration time.
  • A cache recipient SHOULD consider a date with a zone abbreviation other than GMT or UTC to be invalid for calculating expiration.

100 free online dating site in belgium Note that freshness applies only to cache operation; it cannot be used to force a user agent to refresh its display or reload a resource. See free live chat support tool for an explanation of the difference between caches and history mechanisms.ist partnersuche de kostenlos xp

online canada chat rooms partnersuche online österreich online

free online dating site in belgium A cache can calculate the freshness lifetime (denoted as freshness_lifetime) of a response by using the first match of the following: ist partnersuche de kostenlos chip

free online dating sites in belgium Note that this calculation is not vulnerable to clock skew, since all of the information comes from the origin server.yahoo chat room islamabad

free new dating sites in belgium When there is more than one value present for a given directive (e.g., two single mit kind sucht ihn header fields, multiple Cache-Control: max-age directives), the directive's value is considered invalid. Caches are encouraged to consider responses that have invalid freshness information to be stale.partnerbörse für singles mit hund

seriöse partnervermittlung schweiz youtube online dating tipps erstes treffen

free dating sites in sa tx Since origin servers do not always provide explicit expiration times, a cache MAY assign a heuristic expiration time when an explicit time is not specified, employing algorithms that use other header field values (such as the online date kostenlos youtube time) to estimate a plausible expiration time. This specification does not provide specific algorithms, but does impose worst-case constraints on their results.singles im alltag kennenlernen

free dating sites sa A cache MUST NOT use heuristics to determine freshness when an explicit expiration time is present in the stored response. Because of the requirements in singles kennenlernen augsburg, this means that, effectively, heuristics can only be used on responses without explicit freshness whose status codes are defined as cacheable by default (see singles kennenlernen auf facebook of [RFC7231]), and those responses without explicit freshness that have been marked as explicitly cacheable (e.g., with a "public" response directive).asiatische singles kennenlernen

free dating sites zambia If the response has a singles kennenlernen aachen header field (singles kennenlernen aschaffenburg of [RFC7232]), caches are encouraged to use a heuristic expiration value that is no more than some fraction of the interval since that time. A typical setting of this fraction might be 10%.singles amerika kennenlernen

singlebörse ohne premium mitgliedschaft studenten When a heuristic is used to calculate freshness lifetime, a cache SHOULD generate a free live chat astrologer india header field with a 113 warn-code (see pakistani chat rooms like yahoo) in the response if its current_age is more than 24 hours and such a warning is not already present.online dating erstes date begrüßung

online dating kostenlos nrw partnersuche berlin frau sucht frau

best free dating sites in london The online dating kostenlos ohne anmeldung header field is used to convey an estimated age of the response message when obtained from a cache. The Age field value is the cache's estimate of the number of seconds since the response was generated or validated by the origin server. In essence, the Age value is the sum of the time that the response has been resident in each of the caches along the path from the origin server, plus the amount of time it has been in transit along network paths.online dating hamburg kostenlos

free dating sites in east london south africa The following data is used for the age calculation:seriöse partnervermittlung schweiz test

100 free dating sites in london age_value partnerbörse 40 plus anleitung

free online dating sites in london date_value partnersuche frau sucht frau lena

  • The term "date_value" denotes the value of the Date header field, in a form appropriate for arithmetic operations. See partnerbörse 40 plus treff of [RFC7231] for the definition of the Date header field, and for requirements regarding responses without it.

singlebörse ohne premium mitgliedschaft xing now partnerbörse 40 plus opinie

  • The term "now" means "the current value of the clock at the host performing the calculation". A host ought to use NTP ([RFC5905]) or some similar protocol to synchronize its clocks to Coordinated Universal Time.

free dating in york pa request_time gratis partner finden facebook

  • The current value of the clock at the host at the time the request resulting in the stored response was made.

free singles in york pa response_time online date kostenlos runterladen

  • The current value of the clock at the host at the time the response was received.

finden sie singles in ihrer nähe A response's age can be calculated in two entirely independent ways: online dating kostenlos erfahrung

  1. the "apparent_age": response_time minus date_value, if the local clock is reasonably well synchronized to the origin server's clock. If the result is negative, the result is replaced by zero.
  2. the "corrected_age_value", if all of the caches along the response path implement HTTP/1.1. A cache MUST interpret this value relative to the time the request was initiated, not the time that the response was received.
  apparent_age = max(0, response_time - date_value);

  response_delay = response_time - request_time;
  corrected_age_value = age_value + response_delay;  

free disabled dating sites canada These are combined as

  corrected_initial_age = max(apparent_age, corrected_age_value);

100 free dating sites for disabled unless the cache is confident in the value of the partnersuche frau sucht frau kostenlos header field (e.g., because there are no HTTP/1.0 hops in the party date online anschauen kostenlos header field), in which case the corrected_age_value MAY be used as the corrected_initial_age.online dating kostenlos ab 16

free christian disabled dating sites The current_age of a stored response can then be calculated by adding the amount of time (in seconds) since the stored response was last validated by the origin server to the corrected_initial_age.date movie online kostenlos anschauen

  resident_time = now - response_time;
  current_age = corrected_initial_age + resident_time;

partnersuche frau sucht frau atv partnerbörse 40 plus bedienungsanleitung

free dating websites disabled A "stale" response is one that either has explicit expiry information or is allowed to have heuristic expiry calculated, but is not fresh according to the calculations in seriöse partnervermittlung schweiz vergleich.partnerbörse 40 plus zeitschrift

free disabled dating sites in usa A cache MUST NOT generate a stale response if it is prohibited by an explicit in-protocol directive (e.g., by a "no-store" or "no-cache" cache directive, a "must-revalidate" cache-response-directive, or an applicable "s-maxage" or "proxy-revalidate" cache-response-directive; see partnerbörse 40 plus zubehör).partnersuche online österreich zeitung

free dating site for disabled in usa A cache MUST NOT send stale responses unless it is disconnected (i.e., it cannot contact the origin server or otherwise find a forward path) or doing so is explicitly allowed (e.g., by the max-stale request directive; see online dating frauen kostenlos).online dating kostenlos münchen

free dating sites disabled singles A cache SHOULD generate a partnersuche frau sucht frau rtl header field with the 110 warn-code (see partnersuche frau sucht frau quoka) in stale responses. Likewise, a cache SHOULD generate a 112 warn-code (see partnersuche frau sucht frau youtube) in stale responses if the cache is disconnected.seriöse partnervermittlung schweiz kassensturz

free dating sites east yorkshire A cache SHOULD NOT generate a new seriöse partnervermittlung schweiz kostenlos header field when forwarding a response that does not have an ist partnersuche de kostenlos mahjong header field, even if the response is already stale. A cache need not validate a response that merely became stale in transit.ist partnersuche de kostenlos mario

jobs in partnervermittlung frauen ab 40 partnersuche

free dating sites north yorkshire When a cache has one or more stored responses for a requested URI, but cannot serve any of them (e.g., because they are not fresh, or one cannot be selected; see partnerbörse 40 plus preisvergleich), it can use the conditional request mechanism [RFC7232] in the forwarded request to give the next inbound server an opportunity to select a valid stored response to use, updating the stored metadata in the process, or to replace the stored response(s) with a new response. This process is known as "validating" or "revalidating" the stored response.partnerbörse 40 plus preis

partnervermittlung jobs berlin stellenangebote partnervermittlung berlin

free dating in brussels When sending a conditional request for cache validation, a cache sends one or more precondition header fields containing validator metadata from its stored response(s), which is then compared by recipients to determine whether a stored response is equivalent to a current representation of the resource.yahoo messenger mac web chat

free dating sites brussels One such validator is the timestamp given in a yahoo messenger web chat rooms header field (vorteile und nachteile der partnersuche im internet of [RFC7232]), which can be used in an online dating deutschland kostenlos header field for response validation, or in an partnervermittlung jobs york or partnervermittlung jobs youtube header field for representation selection (i.e., the client is referring specifically to a previously obtained representation with that timestamp).yahoo messenger live chat website

free dating websites in the philippines Another validator is the entity-tag given in an yahoo messenger chat widget for website header field (partnervermittlung job gesucht of [RFC7232]). One or more entity-tags, indicating one or more stored responses, can be used in an free chat support tools header field for response validation, or in an partnervermittlung jamaika ot or partnervermittlung jamaika oktober header field for representation selection (i.e., the client is referring specifically to one or more previously obtained representations with the listed entity-tags).casual dating deutschland youtube

casual dating app deutschland ist partnersuche de kostenlos inserieren

free online dating sites in the philippines Each client in the request chain may have its own cache, so it is common for a cache at an intermediary to receive conditional requests from other (outbound) caches. Likewise, some user agents make use of conditional requests to limit data transfers to recently modified representations or to complete the transfer of a partially retrieved representation.yourlove christliche singles deutschland

free dating in the philippines If a cache receives a request that can be satisfied by reusing one of its stored yourlove christliche singles dresden or partnervermittlung jamaika youtube responses, the cache SHOULD evaluate any applicable conditional header field preconditions received in that request with respect to the corresponding validators contained within the selected response. A cache MUST NOT evaluate conditional header fields that are only applicable to an origin server, found in a request with semantics that cannot be satisfied with a cached response, or applied to a target resource for which it has no stored responses; such preconditions are likely intended for some other (inbound) server.partnervermittlung jamaika yapimi

free gay dating site in the philippines The proper evaluation of conditional requests by a cache depends on the received precondition header fields and their precedence, as defined in casual dating deutschland card of [RFC7232]. The casual dating deutschland xg and kundenberater partnervermittlung jobs conditional header fields are not applicable to a cache.stellenangebote partnervermittlung schweiz

top free dating sites in the philippines A request containing an partnervermittlung jobsuche header field (partnersuche ohne registrierung schweiz jobs of [RFC7232]) indicates that the client wants to validate one or more of its own stored responses in comparison to whichever stored response is selected by the cache. If the field-value is "*", or if the field-value is a list of entity-tags and at least one of them matches the entity-tag of the selected stored response, a cache recipient SHOULD generate a yourlove christliche singles münchen response (using the metadata of the selected stored response) instead of sending that stored response.best free chat programs

single männer in meiner nähe When a cache decides to revalidate its own stored responses for a request that contains an free live chat programs list of entity-tags, the cache MAY combine the received list with a list of entity-tags from its own stored set of responses (fresh or stale) and send the union of the two lists as a replacement die zeit partnersuche kostenlos header field value in the forwarded request. If a stored response contains only partial content, the cache MUST NOT include its entity-tag in the union unless the request is for a range that would be fully satisfied by that partial stored response. If the response to the forwarded request is yourlove christliche singles treffen and has an ETag header field value with an entity-tag that is not in the client's list, the cache MUST generate a partnervermittlung jobs münchen response for the client by reusing its corresponding stored response, as updated by the 304 response metadata (partnersuche frau sucht frau online).yahoo chat room without registration karachi chat room

single treffen in meiner nähe If an wo treffen sich singles in mönchengladbach header field is not present, a request containing an singles mönchengladbach kostenlos header field (partnersuche schwule kostenlos of [RFC7232]) indicates that the client wants to validate one or more of its own stored responses by modification date. A cache recipient SHOULD generate a tanzkurse für singles in mönchengladbach response (using the metadata of the selected stored response) if one of the following cases is true: 1) the selected stored response has a yourlove christliche singles hannover field-value that is earlier than or equal to the conditional timestamp; 2) no yourlove christliche singles hamburg field is present in the selected stored response, but it has a casual dating deutschland gmbh field-value that is earlier than or equal to the conditional timestamp; or, 3) neither partnersuche schwule männer nor online dating völlig kostenlos is present in the selected stored response, but the cache recorded it as having been received at a time earlier than or equal to the conditional timestamp.yourlove christliche singles berlin

single chat in meiner nähe A cache that implements partial responses to range requests, as defined in [RFC7233], also needs to evaluate a received casual dating deutschland online header field (yourlove christliche singles zürich of [RFC7233]) with respect to its selected stored response.yourlove christliche singles login

yourlove christliche singles chemnitz die zeit online partnersuche

speed dating in meiner nähe Cache handling of a response to a conditional request is dependent upon its status code:chat seiten kostenlos youtube

  • A partnersuche ravensburg umgebung heute response status code indicates that the stored response can be updated and reused; see casual dating seite deutschland.
  • A full response (i.e., one with a payload body) indicates that none of the stored responses nominated in the conditional request is suitable. Instead, the cache MUST use the full response to satisfy the request and MAY replace the stored response(s).
  • However, if a cache receives a partnersuche ohne registrierung schweiz youtube response while attempting to validate a response, it can either forward this response to the requesting client, or act as if the server failed to respond. In the latter case, the cache MAY send a previously stored response (see online date kostenlos xp).

frauen suchen männer graubünden frauen die männer suchen gratis

single party in meiner nähe When a cache receives a frauen suchen männer gegen bezahlung response and already has one or more stored frauen suchen männer für geld responses for the same cache key, the cache needs to identify which of the stored responses are updated by this new response and then update the stored response(s) with the new information provided in the frauen suchen männer mit geld response.frauen suchen männer graz

dating in meiner nähe The stored response to update is identified by using the first match (if any) of the following: große männer suchen große frauen

  • If the new response contains a strong validator (see frauen suchen männer göttingen of [RFC7232]), then that strong validator identifies the selected representation for update. All of the stored responses with the same strong validator are selected. If none of the stored responses contain the same strong validator, then the cache MUST NOT use the new response to update any stored responses.
  • If the new response contains a weak validator and that validator corresponds to one of the cache's stored responses, then the most recent of those matching stored responses is selected for update.
  • If the new response does not include any form of validator (such as in the case where a client generates an If-Modified-Since request from a source other than the Last-Modified response header field), and there is only one stored response, and that stored response also lacks a validator, then that stored response is selected for update.

free dating websites las vegas If a stored response is selected for update, the cache MUST: markt de partnerschaft er sucht sie

deutsche männer suchen ukrainische frauen frauen suchen männer chemnitz

free dating sites in las vegas nv A response to the HEAD method is identical to what an equivalent request made with a GET would have been, except it lacks a body. This property of HEAD responses can be used to invalidate or update a cached GET response if the more efficient conditional GET request mechanism is not available (due to no validators being present in the stored response) or if transmission of the representation body is not desired even if it has changed.frauen suchen männer.com

free online dating sites in las vegas When a cache makes an inbound HEAD request for a given request target and receives a frauen suchen männer chur response, the cache SHOULD update or invalidate each of its stored GET responses that could have been selected for that request (see china männer suchen frauen).frauen suchen männer ch

junge männer reiche frauen For each of the stored responses that could have been selected, if the stored response and HEAD response have matching values for any received validator fields (alte frauen suchen männer ch and frauen suchen männer chat) and, if the HEAD response has a frauen suchen männer wuppertal header field, the value of wonach suchen männer frauen aus matches that of the stored response, the cache SHOULD update the stored response as described below; otherwise, the cache SHOULD consider the stored response to be stale.frauen suchen männer wiesbaden

free interracial dating sites in toronto If a cache updates a stored response with the metadata provided in a HEAD response, the cache MUST: männer suchen frauen wie mama

männer suchen frauen wie ihre mutter frauen suchen männer pforzheim

top free dating sites in toronto Because unsafe request methods (deutsche männer suchen philippinische frauen of [RFC7231]) such as PUT, POST or DELETE have the potential for changing state on the origin server, intervening caches can use them to keep their contents up to date.frauen suchen potente männer

free gay dating sites in toronto A cache MUST invalidate the effective Request URI (frauen suchen männer per sms of [RFC7230]) as well as the URI(s) in the deutsche männer suchen polnische frauen and zwei männer suchen ihre frauen response header fields (if present) when a non-error status code is received in response to an unsafe request method.was suchen männer in frauen

free dating sites in toronto area However, a cache MUST NOT invalidate a URI from a männer suchen frauen im ausland or männer suchen frauen die ihren müttern ähneln response header field if the host part of that URI differs from the host part in the effective request URI (deutsche männer suchen frauen im osten of [RFC7230]). This helps prevent denial-of-service attacks.impotente männer suchen frauen

best free dating sites in toronto A cache MUST invalidate the effective request URI (partnerbörse 40 plus handbuch of [RFC7230]) when it receives a non-error response to a request with a method whose safety is unknown.casual dating in germany

free online dating sites in toronto Here, a "non-error response" is one with a singles in mönchengladbach qualifikation or singles aus mönchengladbach status code. "Invalidate" means that the cache will either remove all stored responses related to the effective request URI or will mark these as "invalid" and in need of a mandatory validation before they can be sent in response to a subsequent request.männer suchen frauen youtube

100 free dating sites in toronto Note that this does not guarantee that all appropriate responses are invalidated. For example, a state-changing request might invalidate responses in the caches it travels through, but relevant responses still might be stored in other caches that it has not.partnersuche für schwule youtuber

yourlove christliche singles wien chat ohne anmelden österreich

free dating sites in toronto canada This section defines the syntax and semantics of HTTP/1.1 header fields related to caching.partnersuche ulm kostenlos youtube

yourlove christliche singles karlsruhe yourlove christliche singles kostenlos

free dating in cape town The "Age" header field conveys the sender's estimate of the amount of time since the response was generated or successfully validated at the origin server. Age values are calculated as specified in kanadische männer suchen deutsche frauen.alaska männer suchen deutsche frauen

free dating websites in cape town The Age field-value is a non-negative integer, representing time in seconds (see amerikanische männer suchen deutsche frauen).männer suchen frauen die ihrer mutter ähnlich sind

100 free dating sites in cape town The presence of an Age header field implies that the response was not generated or validated by the origin server for this request. However, lack of an Age header field does not imply the origin was contacted, since the response might have been received from an HTTP/1.0 cache that does not implement Age.männer suchen dicke frauen

australische männer suchen deutsche frauen partnersuche linz land zulassungsstelle

free dating sites in cape town south africa The "Cache-Control" header field is used to specify directives for caches along the request/response chain. Such cache directives are unidirectional in that the presence of a directive in a request does not imply that the same directive is to be given in the response.partnersuche linz land fremdenpolizei

free christian dating sites in cape town A cache MUST obey the requirements of the Cache-Control directives defined in this section. See partnersuche linz land führerschein for information about how Cache-Control directives defined elsewhere are handled.männer suchen junge frauen

free muslim dating sites in cape town A proxy, whether or not it implements a cache, MUST pass cache directives through in forwarded messages, regardless of their significance to that application, since the directives might be applicable to all recipients along the request/response chain. It is not possible to target a directive to a specific cache.frauen suchen junge männer zürich

free dating sites plattsburgh new york Cache directives are identified by a token, to be compared case-insensitively, and have an optional argument, that can use both token and quoted-string syntax. For the directives defined below that define arguments, recipients ought to accept both forms, even if one is documented to be preferred. For any directive not defined by this specification, a recipient MUST accept both forms.ältere männer suchen junge frauen

free online dating sites in new york For the cache directives defined below, no argument is defined (nor allowed) unless stated otherwise.frauen suchen männer zum fremdgehen

frauen suchen männer zum kastrieren frauen suchen männer zum schwängern

frauen suchen männer zürich männer suchen frauen ohne vergangenheit

free dating in new york The "max-age" request directive indicates that the client is unwilling to accept a response whose age is greater than the specified number of seconds. Unless the max-stale request directive is also present, the client is not willing to accept a stale response.frauen sucht männer in ostfriesland

free dating websites in new york This directive uses the token form of the argument syntax: e.g., 'max-age=5' not 'max-age="5"'. A sender SHOULD NOT generate the quoted-string form.frauen suchen männer ohne geld

frauen suchen männer in oldenburg deutsche männer suchen osteuropäische frauen

virtual simulation dating games online free The "max-stale" request directive indicates that the client is willing to accept a response that has exceeded its freshness lifetime. If max-stale is assigned a value, then the client is willing to accept a response that has exceeded its freshness lifetime by no more than the specified number of seconds. If no value is assigned to max-stale, then the client is willing to accept a stale response of any age.sendung männer suchen frauen

free dating site in joburg This directive uses the token form of the argument syntax: e.g., 'max-stale=10' not 'max-stale="10"'. A sender SHOULD NOT generate the quoted-string form.serie männer suchen frauen im ausland

starke männer suchen starke frauen männer suchen schwache frauen

free dating websites in gauteng The "min-fresh" request directive indicates that the client is willing to accept a response whose freshness lifetime is no less than its current age plus the specified time in seconds. That is, the client wants a response that will still be fresh for at least the specified number of seconds.schwache männer suchen starke frauen

free dating site in johannesburg This directive uses the token form of the argument syntax: e.g., 'min-fresh=20' not 'min-fresh="20"'. A sender SHOULD NOT generate the quoted-string form.partnersuche im internet vorteile nachteile ytong

partnersuche linz land privat partnersuche ulm kostenlos chip

free dating site in jhb The "no-cache" request directive indicates that a cache MUST NOT use a stored response to satisfy the request without successful validation on the origin server.partnersuche ravensburg umgebung freizeit

partnersuche ravensburg umgebung sehenswürdigkeiten app zeigt singles in der nähe

free christian dating sites in gauteng The "no-store" request directive indicates that a cache MUST NOT store any part of either this request or any response to it. This directive applies to both private and shared caches. "MUST NOT store" in this context means that the cache MUST NOT intentionally store the information in non-volatile storage, and MUST make a best-effort attempt to remove the information from volatile storage as promptly as possible after forwarding it.app um singles in der nähe zu finden

nachteile partnersuche im internet This directive is NOT a reliable or sufficient mechanism for ensuring privacy. In particular, malicious or compromised caches might not recognize or obey this directive, and communications networks might be vulnerable to eavesdropping.gratis chat ohne anmeldung und registrierung

free online dating site in oman Note that if a request containing this directive is satisfied from a cache, the no-store request directive does not apply to the already stored response.online partnersuche österreich zeitung

flirt app singles in der nähe android app singles in der nähe

100 free dating site in oman The "no-transform" request directive indicates that an intermediary (whether or not it implements a cache) MUST NOT transform the payload, as defined in single in die nähe trier kostenlos of [RFC7230].singles 50 kostenlos testen

online chat rooms ontario canada partnerbörse 40 plus nebenwirkungen

free online dating sites in oman The "only-if-cached" request directive indicates that the client only wishes to obtain a stored response. If it receives this directive, a cache SHOULD either respond using a stored response that is consistent with the other constraints of the request, or respond with a partnerbörse 40 plus netzwerk status code. If a group of caches is being operated as a unified system with good internal connectivity, a member cache MAY forward such a request within that group of caches.verheiratete männer suchen frauen

frauen suchen männer in vorarlberg gratis singlebörse deutschland indien

welche eigenschaften suchen männer bei frauen frauen suchen männer bremen

partnersuche in griechenland urlaub The "must-revalidate" response directive indicates that once it has become stale, a cache MUST NOT use the response to satisfy subsequent requests without successful validation on the origin server.wonach suchen männer bei frauen

best free dating site in finland The must-revalidate directive is necessary to support reliable operation for certain protocol features. In all circumstances a cache MUST obey the must-revalidate directive; in particular, if a cache cannot reach the origin server for any reason, it MUST generate a frauen suchen männer bern response.frauen suchen männer bonn

free online dating sites in finland The must-revalidate directive ought to be used by servers if and only if failure to validate a request on the representation could result in incorrect operation, such as a silently unexecuted financial transaction.was suchen männer bei frauen

frauen suchen männer bayern frauen suchen männer bochum

free dating websites in finland Argument syntax: gratis singlebörse deutschland meer

list of free dating sites in finland The "no-cache" response directive indicates that the response MUST NOT be used to satisfy a subsequent request without successful validation on the origin server. This allows an origin server to prevent a cache from using it to satisfy a request without contacting it, even by caches that have been configured to send stale responses.free chat rooms in pakistan video

save the date karten online kostenlos If the no-cache response directive specifies one or more field-names, then a cache MAY use the response to satisfy a subsequent request, subject to any other restrictions on caching. However, any header fields in the response that have the field-name(s) listed MUST NOT be sent in the response to a subsequent request without successful revalidation with the origin server. This allows an origin server to prevent the re-use of certain header fields in a response, while still allowing caching of the rest of the response.die zeit partnersuche wien

best free dating site in mexico The field-names given are not limited to the set of header fields defined by this specification. Field names are case-insensitive.partnervermittlung odessa tx

free dating websites in mexico This directive uses the quoted-string form of the argument syntax. A sender SHOULD NOT generate the token form (even if quoting appears not to be needed for single-entry lists).partnervermittlung odessa nachrichten

free dating sites in mexico city 100 free dating sites in mexico Note: Although it has been back-ported to many implementations, some HTTP/1.0 caches will not recognize or obey this directive. Also, no-cache response directives with field-names are often handled by caches as if an unqualified no-cache directive was received; i.e., the special handling for the qualified form is not widely implemented.partnervermittlung odessa oktober

partnervermittlung odessa opfer partnersuche linz land veranstaltungen

free dating sites in new mexico The "no-store" response directive indicates that a cache MUST NOT store any part of either the immediate request or response. This directive applies to both private and shared caches. "MUST NOT store" in this context means that the cache MUST NOT intentionally store the information in non-volatile storage, and MUST make a best-effort attempt to remove the information from volatile storage as promptly as possible after forwarding it.partnersuche linz land verkehrsabteilung

free dating sites in accra This directive is NOT a reliable or sufficient mechanism for ensuring privacy. In particular, malicious or compromised caches might not recognize or obey this directive, and communications networks might be vulnerable to eavesdropping.casual dating deutschland vergleich

best online dating app free online dating apps free

free mobile dating sites in ghana The "no-transform" response directive indicates that an intermediary (regardless of whether it implements a cache) MUST NOT transform the payload, as defined in top online dating apps free of [RFC7230].online dating app free

jobs partnervermittlung berlin reiche männer suchen arme frauen

best free dating sites in ghana The "public" response directive indicates that any cache MAY store the response, even if the response would normally be non-cacheable or cacheable only within a private cache. (See wie suchen männer frauen aus for additional details related to the use of public in response to a request containing männer suchen frauen nach mutter aus, and deutsche männer suchen ausländische frauen for details of how public affects responses that would normally not be stored, due to their status codes not being defined as cacheable by default; see junge männer suchen alte frauen.)deutsche männer suchen afrikanische frauen

brasilianische frauen partnersuche partnersuche bei frauen

free sugar mummy dating sites in ghana Argument syntax: partnersuche frauen landkreis straubing bogen

100 free dating sites in ghana The "private" response directive indicates that the response message is intended for a single user and MUST NOT be stored by a shared cache. A private cache MAY store the response and reuse it for later requests, even if the response would normally be non-cacheable.online chat nach date fragen

looking for free dating site in ghana If the private response directive specifies one or more field-names, this requirement is limited to the field-values associated with the listed response header fields. That is, a shared cache MUST NOT store the specified field-names(s), whereas it MAY store the remainder of the response message.partnersuche frauen israel

free christian dating sites in ghana The field-names given are not limited to the set of header fields defined by this specification. Field names are case-insensitive.indische frauen partnersuche

partnersuche griechenland thessaloniki This directive uses the quoted-string form of the argument syntax. A sender SHOULD NOT generate the token form (even if quoting appears not to be needed for single-entry lists).partnersuche frauen indonesien

free dating in gujarat free dating site without payment in gujarat Note: This usage of the word "private" only controls where the response can be stored; it cannot ensure the privacy of the message content. Also, private response directives with field-names are often handled by caches as if an unqualified private directive was received; i.e., the special handling for the qualified form is not widely implemented.intelligente frauen partnersuche

indien frauen partnersuche singles in meiner nähe kostenlos

free dating site zoosk The "proxy-revalidate" response directive has the same meaning as the must-revalidate response directive, except that it does not apply to private caches.partnersuche linz land reisepass

free dating sites in american free dating site in african

free dating site like zoosk The "max-age" response directive indicates that the response is to be considered stale after its age is greater than the specified number of seconds.partnersuche frauen aus dem osten

free dating site videos This directive uses the token form of the argument syntax: e.g., 'max-age=5' not 'max-age="5"'. A sender SHOULD NOT generate the quoted-string form.partnersuche dünne frauen

partnersuche dunkelhäutige frauen partnersuche frauen deutschland

free dating sites videos The "s-maxage" response directive indicates that, in shared caches, the maximum age specified by this directive overrides the maximum age specified by either the max-age directive or the free dating sites in edmonton header field. The s-maxage directive also implies the semantics of the proxy-revalidate response directive.free dating sites in english

free dating sites for video gamers This directive uses the token form of the argument syntax: e.g., 's-maxage=10' not 's-maxage="10"'. A sender SHOULD NOT generate the quoted-string form.free dating sites in ethiopia

free german dating sites in english free dating sites in egypt

100 free video dating sites The Cache-Control header field can be extended through the use of one or more cache-extension tokens, each with an optional value. A cache MUST ignore unrecognized cache directives.singles in ihrer nähe

best free video dating sites Informational extensions (those that do not require a change in cache behavior) can be added without changing the semantics of other directives.slowakische frauen partnersuche

top free video dating sites Behavioral extensions are designed to work by acting as modifiers to the existing base of cache directives. Both the new directive and the old directive are supplied, such that applications that do not understand the new directive will default to the behavior specified by the old directive, and those that understand the new directive will recognize it as modifying the requirements associated with the old directive. In this way, extensions to the existing cache-control directives can be made without breaking deployed caches.partnersuche spanische frauen

free online video dating sites in india For example, consider a hypothetical new response directive called "community" that acts as a modifier to the private directive: in addition to private caches, any cache that is shared only by members of the named community is allowed to cache the response. An origin server wishing to allow the UCI community to use an otherwise private response in their shared cache(s) could do so by includingpartnersuche schweden frauen

  Cache-Control: private, community="UCI"

free online video dating sites without registration A cache that recognizes such a community cache-extension could broaden its behavior in accordance with that extension. A cache that does not recognize the community cache-extension would ignore it and adhere to the private directive.starke frauen partnersuche

partnersuche südtirol frauen partnersuche frauen suchen frauen

internet chat ohne registrieren The "Expires" header field gives the date/time after which the response is considered stale. See frauen suchen männer luzern for further discussion of the freshness model.frauen suchen männer linz

chat ohne anmelden iphone The presence of an Expires field does not imply that the original resource will change or cease to exist at, before, or after that time.frauen suchen männer in lübeck

frauen kennenlernen partnersuche The Expires value is an HTTP-date timestamp, as defined in frauen suchen männer leipzig of [RFC7231].frauen suchen männer in lüneburg

kleine frauen partnersuche For example

  Expires: Thu, 01 Dec 1994 16:00:00 GMT

partnersuche karibische frauen A cache recipient MUST interpret invalid date formats, especially the value "0", as representing a time in the past (i.e., "already expired").partnersuche frauen chile

free dating sites for over 50 in canada If a response includes a partnersuche linz land stellenausschreibung field with the max-age directive (frauen suchen männer thüringen), a recipient MUST ignore the Expires field. Likewise, if a response includes the s-maxage directive (frauen suchen männer tirol), a shared cache recipient MUST ignore the Expires field. In both these cases, the value in Expires is only intended for recipients that have not yet implemented the Cache-Control field.deutsche männer suchen tschechische frauen

free dating sites for over 50 in south africa An origin server without a clock MUST NOT generate an Expires field unless its value represents a fixed time in the past (always expired) or its value has been associated with the resource by a system or user with a reliable clock.deutsche frauen suchen türkische männer

free dating sites in manchester uk Historically, HTTP required the Expires field-value to be no more than a year in the future. While longer freshness lifetimes are no longer prohibited, extremely large values have been demonstrated to cause problems (e.g., clock overflows due to use of 32-bit integers for time values), and many caches will evict a response far sooner than that.frauen suchen männer mit telefonnummer

partnersuche thailändische frauen hochbegabte frauen partnersuche

totally free dating sites in manchester The "Pragma" header field allows backwards compatibility with HTTP/1.0 caches, so that clients can specify a "no-cache" request that they will understand (as partnersuche ulm kostenlos runterladen was not defined until HTTP/1.1). When the Cache-Control header field is also present and understood in a request, Pragma is ignored.gratis singlebörse deutschland legal

free dating websites in manchester In HTTP/1.0, Pragma was defined as an extensible field for implementation-specified directives for recipients. This specification deprecates such extensions to improve interoperability.free dating sites in brisbane

free gay dating sites in manchester When the zwei männer suchen eine frau header field is not present in a request, caches MUST consider the no-cache request pragma-directive as having the same effect as if "Cache-Control: no-cache" were present (see frauen suchen erfahrene männer).englische männer suchen deutsche frauen

free dating sites in uruguay When sending a no-cache request, a client ought to include both the pragma and cache-control directives, unless Cache-Control: no-cache is purposefully omitted to target other erfolgreiche männer suchen frauen response directives at HTTP/1.1 caches. For example:männer suchen eine frau wie ihre mutter

GET / HTTP/1.1
Host: www.example.com
Cache-Control: max-age=30
Pragma: no-cache

free dating site in ga will constrain HTTP/1.1 caches to serve a response no older than 30 seconds, while precluding implementations that do not understand männer suchen eine frau from serving a cached response.reiche männer suchen eine frau

2 männer suchen eine frau frauen suchen männer essen

free dating website in new zealand The "Warning" header field is used to carry additional information about the status or transformation of a message that might not be reflected in the status code. This information is typically used to warn about possible incorrectness introduced by caching operations or transformations applied to the payload of the message.singles in der nähe xanten

free gay dating sites in new zealand Warnings can be used for other purposes, both cache-related and otherwise. The use of a warning, rather than an error status code, distinguishes these responses from true failures.partnersuche linz land telefonnummer

free christian dating sites in new zealand Warning header fields can in general be applied to any message, however some warn-codes are specific to caches and can only be applied to response messages.partnersuche linz land teilzeit

free online dating sites in new zealand Multiple warnings can be generated in a response (either by the origin server or by a cache), including multiple warnings with the same warn-code number that only differ in warn-text.free dating sites for germany

best free dating sites in new zealand A user agent that receives one or more Warning header fields SHOULD inform the user of as many of them as possible, in the order that they appear in the response. Senders that generate multiple Warning header fields are encouraged to order them with this user agent behavior in mind. A sender that generates new Warning header fields MUST append them after any existing Warning header fields.free dating sites in finland

totally free dating sites in new zealand Warnings are assigned three digit warn-codes. The first digit indicates whether the Warning is required to be deleted from a stored response after validation: partnervermittlung odessa landkarte

  • 1xx warn-codes describe the freshness or validation status of the response, and so they MUST be deleted by a cache after validation. They can only be generated by a cache when validating a cached entry, and MUST NOT be generated in any other situation.
  • 2xx warn-codes describe some aspect of the representation that is not rectified by a validation (for example, a lossy compression of the representation) and they MUST NOT be deleted by a cache after validation, unless a full response is sent, in which case they MUST be.

free dating websites in new zealand If a sender generates one or more 1xx warn-codes in a message to be sent to a recipient known to implement only HTTP/1.0, the sender MUST include in each corresponding warning-value a warn-date that matches the partnervermittlung odessa lage header field in the message. For example:kontaktbörse schweiz kostenlos

HTTP/1.1 200 OK
Date: Sat, 25 Aug 2012 23:34:45 GMT
Warning: 112 - "network down" "Sat, 25 Aug 2012 23:34:45 GMT"

free dating in new zealand Warnings have accompanying warn-text that describes the error, e.g., for logging. It is advisory only, and its content does not affect interpretation of the warn-code.frauen suchen männer in regensburg

free dating sites in venezuela If a recipient that uses, evaluates, or displays Warning header fields receives a warn-date that is different from the deutsche männer suchen rumänische frauen value in the same message, the recipient MUST exclude the warning-value containing that warn-date before storing, forwarding, or using the message. This allows recipients to exclude warning-values that were improperly retained after a cache validation. If all of the warning-values are excluded, the recipient MUST exclude the Warning header field as well.deutsche männer suchen russische frauen

free dating sites in roanoke va The following warn-codes are defined by this specification, each with a recommended warn-text in English, and a description of its meaning. The procedure for defining additional warn codes is described in russische frauen suchen reiche männer.frauen suchen männer rosenheim

junge männer suchen reiche frauen rtl männer suchen frauen

free dating sites in va A cache SHOULD generate this whenever the sent response is stale.männer suchen russische frauen

männer suchen reiche frauen partnersuche junge frauen

free dating sites in alexandria va A cache SHOULD generate this when sending a stale response because an attempt to validate the response failed, due to an inability to reach the server.partnersuche junge frauen ältere männer

partnersuche japanische frauen free dating sites in youngstown ohio

free dating sites in richmond virginia A cache SHOULD generate this if it is intentionally disconnected from the rest of the network for a period of time.free dating sites in yuma az

free dating sites in yakima free dating sites in your area

100 free dating sites in virginia A cache SHOULD generate this if it heuristically chose a freshness lifetime greater than 24 hours and the response's age is greater than 24 hours.free dating sites in yorkshire

free dating sites in new york free dating sites in york

free dating websites for mobile phones The warning text can include arbitrary information to be presented to a human user or logged. A system receiving this warning MUST NOT take any automated action, besides presenting the warning to the user.free dating sites in south yorkshire

free dating sites in york pa free dating site in yemen

free online dating sites for mobile phones This Warning code MUST be added by a proxy if it applies any transformation to the representation, such as changing the content-coding, media-type, or modifying the representation data, unless this Warning code already appears in the response.die zeit partnersuche vergleich

partnersuche linz land kaufen partnersuche in luzern jobs

free dating sites for mobile phones uk The warning text can include arbitrary information to be presented to a human user or logged. A system receiving this warning MUST NOT take any automated action.frauen über 50 und partnersuche

partnersuche ungarische frauen partnersuche linz land mieten

free dating sites for your mobile phone User agents often have history mechanisms, such as "Back" buttons and history lists, that can be used to redisplay a representation retrieved earlier in a session.partnersuche frauen litauen

free dating for mobile phone The freshness model (frauen partnersuche leichter) does not necessarily apply to history mechanisms. That is, a history mechanism can display a previous representation even if it has expired.free dating sites in czech republic

free dating sites for mobile phone users This does not prohibit the history mechanism from telling the user that a view might be stale or from honoring cache directives (e.g., Cache-Control: no-store).free dating sites in calgary

free dating sites in cape town free dating sites in china

free dating sites in california free dating sites in czech

free dating for mobile phones The "Hypertext Transfer Protocol (HTTP) Cache Directive Registry" defines the namespace for the cache directives. It has been created and is now maintained at <free dating sites dirty>.free dating sites in denmark

free dating sites disabled free dating site in delhi

free dating site no payment A registration MUST include the following fields: free dating sites in dubai

  • Cache Directive Name
  • Pointer to specification text

free online dating sites in zambia Values to be added to this namespace require IETF Review (see [RFC5226], singles in meiner nähe).singles in meiner nähe ohne anmeldung

partnersuche linz land jugendwohlfahrt partnersuche linz land jobs

free dating sites in lusaka New extension directives ought to consider defining:online partnersuche österreich online

  • What it means for a directive to be specified multiple times,
  • When the directive does not take an argument, what it means when an argument is present,
  • When the directive requires an argument, what it means when it is missing,
  • Whether the directive is specific to requests, responses, or able to be used in either.

reiche männer suchen frau fürs leben See also singles in deiner nähe finden.free dating sites in zim

free dating sites in zambia free dating sites in new zealand

free dating sites geek The registry has been populated with the registrations below:free dating site in zurich

nachteile der partnersuche im internet single de was ist kostenlos

best free dating sites for geeks The "Hypertext Transfer Protocol (HTTP) Warn Codes" registry defines the namespace for warn codes. It has been created and is now maintained at <partnersuche frauen aus osteuropa>.partnersuche frauen argentinien

frauen anschreiben partnersuche partnersuche frauen ab 40

free dating websites for geeks A registration MUST include the following fields: partnersuche frauen australien

  • Warn Code (3 digits)
  • Short Description
  • Pointer to specification text

free dating sites in milwaukee wi Values to be added to this namespace require IETF Review (see [RFC5226], partnervermittlung odessa ukraine).partnersuche 40 plus nebenwirkungen

partnersuche 40 plus netzwerk single.de gratis gutschein

free dating sites in oshkosh wi The registry has been populated with the registrations below:partnersuche am bodensee camping

Warn CodeShort DescriptionReference
110Response is Stalefresh.single.de kostenlos
111Revalidation Failedsingle.de by freenet kostenlos
112Disconnected Operationsingle de frauen kostenlos
113Heuristic Expirationältere frauen partnersuche
199Miscellaneous Warningerfolgreiche frauen partnersuche
214Transformation Appliedrussische frauen partnersuche
299Miscellaneous Persistent Warningpolnische frauen partnersuche

große frauen partnersuche partnersuche am bodensee meersburg

free dating sites in wi HTTP header fields are registered within the "Message Headers" registry maintained at <partnersuche am bodensee jugendherberge>.online partnersuche österreich jobs

free dating sites in massachusetts This document defines the following HTTP header fields, so the "Permanent Message Header Field Names" registry has been updated accordingly (see [BCP90]).frauen suchen männer nrw

Header Field NameProtocolStatusReference
Agehttpstandardnorwegische männer suchen deutsche frauen
Cache-Controlhttpstandardwo suchen frauen nach männer
Expireshttpstandardfrauen suchen männer nürnberg
Pragmahttpstandardfrauen suchen männer in niederösterreich
Warninghttpstandardchat de videntes gratis en linea

best free dating sites boston The change controller is: "IETF ([email protected]) - Internet Engineering Task Force".single de kostenlos nachrichten schreiben

partnervermittlung petra salzburg partnersuche am bodensee friedrichshafen

free online dating sites boston This section is meant to inform developers, information providers, and users of known security concerns specific to HTTP caching. More general security considerations are addressed in HTTP messaging [RFC7230] and semantics [RFC7231].single frauen in der nähe brennberg

free online dating sites in massachusetts Caches expose additional potential vulnerabilities, since the contents of the cache represent an attractive target for malicious exploitation. Because cache contents persist after an HTTP request is complete, an attack on the cache can reveal information long after a user believes that the information has been removed from the network. Therefore, cache contents need to be protected as sensitive information.partnersuche am bodensee youtube

free dating sites in boston ma In particular, various attacks might be amplified by being stored in a shared cache; such "cache poisoning" attacks use the cache to distribute a malicious payload to many clients, and are especially effective when an attacker can use implementation flaws, elevated privileges, or other techniques to insert such a response into a cache. One common attack vector for cache poisoning is to exploit differences in message parsing on proxies and in user agents; see single de kostenlos xp of [RFC7230] for the relevant requirements.partnersuche am bodensee immenstaad

free dating websites boston Likewise, implementation flaws (as well as misunderstanding of cache operation) might lead to caching of sensitive information (e.g., authentication credentials) that is thought to be private, exposing it to unauthorized parties.ist partnersuche de kostenlos php

100 free dating sites in massachusetts Furthermore, the very use of a cache can bring about privacy concerns. For example, if two users share a cache, and the first one browses to a site, the second may be able to detect that the other has been to that site, because the resources from it load more quickly, thanks to the cache.partnersuche frauen zu anspruchsvoll

100 free dating sites in poland Note that the Set-Cookie response header field [RFC6265] does not inhibit caching; a cacheable response with a Set-Cookie header field can be (and often is) used to satisfy subsequent requests to caches. Servers who wish to control caching of these responses are encouraged to emit appropriate Cache-Control response header fields.single de kostenlos runterladen

free dating sites in the philippines free dating sites in texas

100 free dating site in poland See free dating sites in thailand of [RFC7230].free dating sites in the uk

free dating sites in toronto References

free dating sites on mobile Normative References

[RFC2119]
Bradner, S., “free dating site of germany”, BCP 14, RFC 2119, March 1997.
[RFC5234]
Crocker, D., Ed. and P. Overell, “free dating sites in oman”, STD 68, RFC 5234, January 2008.
[RFC7230]
Fielding, R., Ed. and J. Reschke, Ed., “free dating sites okcupid”, RFC 7230, June 2014.
[RFC7231]
Fielding, R., Ed. and J. Reschke, Ed., “frauen suchen männer dortmund”, RFC 7231, June 2014.
[RFC7232]
Fielding, R., Ed. and J. Reschke, Ed., “frauen suchen sich männer die ihrem vater ähneln”, RFC 7232, June 2014.
[RFC7233]
Fielding, R., Ed., Lafon, Y., Ed., and J. Reschke, Ed., “frauen suchen männer düsseldorf”, RFC 7233, June 2014.
[RFC7235]
Fielding, R., Ed. and J. Reschke, Ed., “frauen suchen männer in dresden”, RFC 7235, June 2014.

frauen suchen dicke männer Informative References

[BCP90]
Klyne, G., Nottingham, M., and J. Mogul, “frauen suchen männer in der schweiz”, BCP 90, RFC 3864, September 2004.
[RFC2616]
Fielding, R., Gettys, J., Mogul, J., Frystyk, H., Masinter, L., Leach, P., and T. Berners-Lee, “polnische frauen suchen deutsche männer”, RFC 2616, June 1999.
[RFC5226]
Narten, T. and H. Alvestrand, “frauen suchen deutsche männer”, BCP 26, RFC 5226, May 2008.
[RFC5861]
Nottingham, M., “ausländische frauen suchen deutsche männer”, RFC 5861, April 2010.
[RFC5905]
Mills, D., Martin, J., Ed., Burbank, J., and W. Kasch, “einsame frauen suchen männer”, RFC 5905, June 2010.
[RFC6265]
Barth, A., “partnersuche luzern region”, RFC 6265, April 2011.

tschechische frauen suchen männer türkische frauen suchen männer

free online dating sites in poland The specification has been substantially rewritten for clarity.thai frauen suchen männer

classified free dating site in qatar The conditions under which an authenticated response can be cached have been clarified. (deutsche frauen suchen tunesische männer)frauen suchen männer in düsseldorf

free online dating site in qatar New status codes can now define that caches are allowed to use heuristic freshness with them. Caches are now allowed to calculate heuristic freshness for URIs with query components. (frauen suchen männer in wien)frauen suchen männer in frankfurt

new free dating site in qatar The algorithm for calculating age is now less conservative. Caches are now required to handle dates with time zones as if they're invalid, because it's not possible to accurately guess. (frauen suchen männer in münchen)frauen suchen männer in stuttgart

100 free dating site in qatar The frauen suchen männer in hamburg response header field is no longer used to determine the appropriate response to use when validating. (frauen suchen männer youtube)free dating sites in uk

best free dating site in russia The algorithm for selecting a cached negotiated response to use has been clarified in several ways. In particular, it now explicitly allows header-specific canonicalization when processing selecting header fields. (free dating sites in uae)free dating sites in us

free russian dating sites in canada Requirements regarding denial-of-service attack avoidance when performing invalidation have been clarified. (free dating site in uruguay)partnersuche 40 plus dating

100 free dating site in russian Cache invalidation only occurs when a successful response is received. (single.de komplett kostenlos)partnersuche am bodensee sehenswürdigkeiten

free russian dating sites russia Cache directives are explicitly defined to be case-insensitive. Handling of multiple instances of cache directives when only one is expected is now defined. (frauen suchen verheiratete männer)free dating sites in malaysia

free online dating sites in russia The "no-store" request directive doesn't apply to responses; i.e., a cache can satisfy a request with no-store on it and does not invalidate it. (free dating sites in mexico)free dating sites in manila

totally free dating sites in russian The qualified forms of the private and no-cache cache directives are noted to not be widely implemented; for example, "private=foo" is interpreted by many caches as simply "private". Additionally, the meaning of the qualified form of no-cache has been clarified. (free dating sites in michigan)free dating sites in melbourne

100 free dating site in russia The "no-cache" response directive's meaning has been clarified. (free dating sites in manchester)free dating sites in minneapolis

free online dating sites russian The one-year limit on free dating sites in miami header field values has been removed; instead, the reasoning for using a sensible value is given. (gratis singlebörse deutschland kostenlos)partnervermittlung salzburg stadt

best free asian dating site The seriöse partnervermittlung salzburg header field is now only defined for backwards compatibility; future pragmas are deprecated. (free dating site in venezuela)free dating sites in victoria

100 free asia dating sites Some requirements regarding production and processing of the free dating sites in visakhapatnam header fields have been relaxed, as it is not widely implemented. Furthermore, the free dating sites in vietnam header field no longer uses RFC 2047 encoding, nor does it allow multiple languages, as these aspects were not implemented. (free dating sites in virginia)free dating sites in vancouver

top free asian dating sites This specification introduces the Cache Directive and Warn Code Registries, and defines considerations for new cache directives. (free dating site in vienna and free dating sites in vizag)free dating sites video

partnersuche 40 plus aktualisieren partnersuche 40 plus anleitung

free asian dating websites The following core rules are included by reference, as defined in partnersuche am bodensee quer of [RFC5234]: ALPHA (letters), CR (carriage return), CRLF (CR LF), CTL (controls), DIGIT (decimal 0-9), DQUOTE (double quote), HEXDIG (hexadecimal 0-9/A-F/a-f), LF (line feed), OCTET (any 8-bit sequence of data), SP (space), and VCHAR (any visible US-ASCII character).partnervermittlung belarus deutschland

free online dating site in uae The rules below are defined in [RFC7230]:partnervermittlung brasilien deutschland

  partnersuche linz land bh           = <OWS, see [RFC7230], partnersuche linz land bürgerservice>
  partnersuche raum bodensee    = <field-name, see [RFC7230], singlebörse in kärnten>
  partnersuche regensburg kostenlos runterladen = <quoted-string, see [RFC7230], free dating sites in without payment>
  free dating sites in western australia         = <token, see [RFC7230], free dating sites in world>

  free dating sites in wisconsin          = <port, see [RFC7230], single de kostenlos online>
  singlebörse kärnten zamg     = <pseudonym, see [RFC7230], frauen suchen männer mannheim> 
  frauen suchen männer münchen      = <uri-host, see [RFC7230], männer suchen frauen wie mutter>

100 free dating sites in uae The rules below are defined in other parts:schlanke männer suchen mollige frauen

  partnersuche bei quoka     = <HTTP-date, see [RFC7231], singlebörse ohne premium mitgliedschaft beenden>

partnervermittlung salzburg umgebung partnersuche quoka kleinanzeigen

free dating websites in uae In the collected ABNF below, list rules are expanded as per singlebörse kärnten urlaub of [RFC7230].singlebörse ohne premium mitgliedschaft elitepartner

free dating site in costa rica = delta-seconds

free dating sites in romania = *( "," OWS ) cache-directive *( OWS "," [ OWS
 cache-directive ] )

free dating sites in ri = HTTP-date

free dating sites in russia = <HTTP-date, see [RFC7231], Section 7.1.1.1>

free dating sites in dominican republic = <OWS, see [RFC7230], Section 3.2.3>

free dating sites in richmond va = *( "," OWS ) pragma-directive *( OWS "," [ OWS
 pragma-directive ] )

free dating sites in russian = *( "," OWS ) warning-value *( OWS "," [ OWS warning-value ]
 )

partnersuche 40 plus zubehör = token [ "=" ( token / quoted-string ) ]

partnersuche 40 plus zeitschrift = 1*DIGIT

chat rooms ontario canada = token [ "=" ( token / quoted-string ) ]

partnervermittlung salzburg orf = <field-name, see [RFC7230], Section 3.2>

partnersuche am bodensee deutschland = <port, see [RFC7230], Section 2.7>
single de kostenlos mahjong = "no-cache" / extension-pragma
single de kostenlos mario = <pseudonym, see [RFC7230], Section 5.7.1>

partnersuche quoka tiere = <quoted-string, see [RFC7230], Section 3.2.6>

single de kostenlos legal = <token, see [RFC7230], Section 3.2.6>

single de kostenlos lernen = <uri-host, see [RFC7230], Section 2.7>

reiche frauen suchen junge männer = ( uri-host [ ":" port ] ) / pseudonym
frau sucht junge männer = 3DIGIT
frauen suchen junge männer = DQUOTE HTTP-date DQUOTE
alte frauen suchen junge männer = quoted-string
quoka.de partnersuche = warn-code SP warn-agent SP warn-text [ SP warn-date
 ]

free dating sites in philippines

free online dating sites in uae free dating sites in pattaya free dating sites in poland free dating sites in pittsburgh free dating sites in portugal free dating sites in peterborough free asia dating site free dating sites in pakistan partnersuche quoka pferde partnersuche am bodensee zoover online dating wien kostenlos partnervermittlung in salzburg online partnersuche österreich youtube free dating site in qatar free dating site in doha qatar free dating sites in quebec free dating sites in quad cities free dating sites in doha qatar free dating sites in qatar free dating sites in qld

free dating sites for seniors over 50

free dating sites in lagos nigeria Roy T. Fielding (editor)
Adobe Systems Incorporated
345 Park Ave
San Jose, CA 95110
USA
Email: [email protected]
URI: free dating websites for singles
singles ab 50 kostenlos xp Mark Nottingham (editor)
Akamai
Email: [email protected]
URI: reiche frauen suchen männer österreich
schlanke männer mollige frauen Julian F. Reschke (editor)
greenbytes GmbH
Hafenweg 16
Muenster, NW 48155
Germany
Email: [email protected]
URI: singlebörse ohne premium mitgliedschaft jugendherberge