HTTP Working GroupP. McManus
Internet-DraftMozilla
Intended status: Standards TrackJuly 3, 2017
Expires: January 4, 2018

dating social networking sites india HTTP Immutable Responses

draft-ietf-httpbis-immutable-03

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minecraft kostenlos herunterladen vollversion deutsch The immutable HTTP response Cache-Control extension allows servers to identify resources that will not be updated during their freshness lifetime. This assures that a client never needs to revalidate a cached fresh resource to be certain it has not been modified.best free dating app canada

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ios free dating app HTTP’s freshness lifetime mechanism [RFC7234] allows a client to safely reuse a stored response to satisfy future requests for a specified period of time. However, it is still possible that the resource will be modified during that period.free dating site toronto ontario

free dating app windows phone For instance, a front page newspaper photo with a freshness lifetime of one hour would mean that no user would see a cached photo more than one hour old. However, the photo could be updated at any time resulting in different users seeing different photos depending on the contents of their caches for up to one hour. This is compliant with the caching mechanism defined in [RFC7234].indian 100 free dating sites

partnersuche senioren schweiz Users that need to confirm there have been no updates to their cached responses typically use the reload (or refresh) mechanism in their user agents. This in turn generates a conditional request [RFC7232] and either a new representation or, if unmodified, a 304 (Not Modified) response [RFC7232] is returned. A user agent that understands HTML and fetches its dependent sub-resources might issue hundreds of conditional requests to refresh all portions of a common page [REQPERPAGE].free sugar daddy dating online

mamba — free online chat networking and social dating However some content providers never create more than one variant of a sub-resource, because they use “versioned” URLs. When these resources need an update they are simply published under a new URL, typically embedding an identifier unique to that version of the resource in the path, and references to the sub-resource are updated with the new path information.nigerian christian single dating site

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free dating site trials 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].nigeria online dating site


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free online dating trial When present in an HTTP response, the top 10 free singles sites immutable Cache-Control extension indicates that the origin server will not update the representation of that resource during the freshness lifetime of the response.free online dating sites in asia

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kostenlos e mail adresse erstellen ohne handynummer The immutable extension takes no arguments. If any arguments are present, they have no meaning, and MUST be ignored. Multiple instances of the immutable extension are equivalent to one instance. The presence of an immutable Cache-Control extension in a request has no effect.chatroulette alternative ab 18 kostenlos ohne anmeldung

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kostenlos e mail adresse erstellen An immutable response has the same semantic meaning when received by proxy clients as it does when received by User-Agent based clients. Therefore proxies SHOULD skip conditionally revalidating fresh responses containing the immutable extension unless there is a signal from the client that a validation is necessary (e.g. a no-cache Cache-Control request directive defined by Section 5.2.1.4 of [RFC7234]).online dating website software

clipfish music kostenlos herunterladen A proxy that uses immutable to bypass a conditional revalidation can choose whether to reply with a 304 or 200 to its requesting client based on the request headers the proxy received.free android dating apps uk

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Cache-Control: max-age=31536000, immutable

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partnervermittlung finja bedeutung The immutable mechanism acts as form of soft pinning and, as with all pinning mechanisms, creates a vector for amplification of cache corruption incidents. These incidents include cache poisoning attacks. Three mechanisms are suggested for mitigation of this risk:online dating sites in lagos nigeria


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nigerian free online dating site Section 7.1 of [RFC7234] requires registration of the immutable extension in the “Hypertext Transfer Protocol (HTTP) Cache Directive Registry” with IETF Review.best online dating sites asia


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partnerbörse schweiz gratis Thank you to Ben Maurer for partnership in developing and testing this idea. Thank you to Amos Jeffries for help with proxy interactions and to Mark Nottingham for help with the documentation.free online nigerian dating site


online nigerian dating sites References

free dating sites in turkey Normative References

[RFC2119]
Bradner, S., “100 free dating site in turkey”, BCP 14, RFC 2119, free online dating sites in turkey, March 1997, <free dating website turkey>.
[RFC7232]
Fielding, R., Ed. and J. Reschke, Ed., “car2go ulm kostenlos anmelden”, RFC 7232, windows live messenger chat, June 2014, <windows live messenger chat history>.
[RFC7234]
Fielding, R., Ed., Nottingham, M., Ed., and J. Reschke, Ed., “windows live messenger chats stored”, RFC 7234, windows live messenger chat login, June 2014, <windows live messenger chat protokoll>.

windows live messenger chat logs Informative References

[REQPERPAGE]
windows live messenger chat facebook”, n.d., <windows live messenger chatverlauf>.

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partnersuche gay schweiz Patrick McManus
Mozilla
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