HTTP Working GroupP. McManus
Internet-DraftMozilla
Intended status: Standards TrackMarch 13, 2017
Expires: September 14, 2017

free chat rooms dubai HTTP Immutable Responses

draft-ietf-httpbis-immutable-01

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free chat rooms delhi 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.free chat rooms ireland

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free chat rooms morocco 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.partnervermittlung fuer behinderte

free chat rooms mobile 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].best flirt chat app android

chatroom free movie online 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].lustige geschenke zum 50 geburtstag einer frau

free chat rooms messenger 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.lustige geschenke zum 50. geburtstag für eine frau

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funny first line online dating The free chat rooms kerala immutable HTTP response Cache-Control extension allows servers to identify responses that will not be updated during their freshness lifetimes.chats gratis venezuela

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quotes about online dating sites Clients SHOULD NOT issue a conditional request during the response’s freshness lifetime (e.g. upon a reload) unless explicitly overridden by the user (e.g. a force reload).free chat rooms urdu

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lustige geschenke zum 40. geburtstag frau 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.free chat rooms us

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free chat rooms text An immutable response has the same semantic meaning whe 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).beste partnervermittlung stiftung warentest

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Cache-Control: max-age=31536000, immutable

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free chat rooms to flirt 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:free chat rooms web


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free chat rooms to chat [RFC7234] sections 7.1 and 7.1.2 require registration of the immutable extension in the “Hypertext Transfer Protocol (HTTP) Cache Directive Registry” with IETF Review.free chat rooms with no registration


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free chat rooms texas 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.russia girl dating


russian girl dating References

free chat rooms for india Normative References

[RFC7231]
Fielding, R., Ed. and J. Reschke, Ed., “free chat rooms for online chat”, RFC 7231, free chat rooms for pakistan, June 2014, <free chat rooms hindi>.
[RFC7232]
Fielding, R., Ed. and J. Reschke, Ed., “free hotline chats”, RFC 7232, free health chat rooms, June 2014, <free help chat rooms>.
[RFC7234]
Fielding, R., Ed., Nottingham, M., Ed., and J. Reschke, Ed., “free chat rooms hyderabad”, RFC 7234, free hotmail chat rooms, June 2014, <free herpes chat rooms>.

free hacker chat rooms Informative References

[REQPERPAGE]
free chat rooms kolkata”, n.d., <free chat rooms kentucky>.

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free chat rooms that are safe Patrick McManus
Mozilla
EMail: free kick chat rooms