draft-ietf-httpbis-immutable-03.txt   draft-ietf-httpbis-immutable-latest.txt 
HTTP Working Group P. McManus HTTP Working Group P. McManus
Internet-Draft Mozilla Internet-Draft Mozilla
Intended status: Standards Track how to make single name on facebook via mobile July 3, 2017 Intended status: Standards Track dating chat kostenlos xp October 1, 2017
Expires: partnersuche zweite hand immobilien January 4, 2018 Expires: how to put single word name in facebook April 4, 2018
HTTP Immutable Responses HTTP Immutable Responses
draft-ietf-httpbis-immutable-03 draft-ietf-httpbis-immutable-03
Abstract Abstract
The immutable HTTP response Cache-Control extension allows servers to The immutable HTTP response Cache-Control extension allows servers to
identify resources that will not be updated during their freshness identify resources that will not be updated during their freshness
lifetime. This how to put single name on facebook 2015 assures that a client never needs to revalidate a lifetime. This how to put single name on facebook by mobile ensures that a client never needs to revalidate a
cached fresh resource to be certain it has not been modified. cached fresh resource to be certain it has not been modified.
Note to Readers Note to Readers
Discussion of this draft takes place on the HTTP working group Discussion of this draft takes place on the HTTP working group
mailing list ([email protected]), which is archived at mailing list ([email protected]), which is archived at
https://lists.w3.org/Archives/Public/ietf-http-wg/ [1]. https://lists.w3.org/Archives/Public/ietf-http-wg/ [1].
Working Group information can be found at http://httpwg.github.io/ Working Group information can be found at http://httpwg.github.io/
[2]; source code and issues list for this draft can be found at [2]; source code and issues list for this draft can be found at
https://github.com/httpwg/http-extensions/labels/immutable [3]. https://github.com/httpwg/http-extensions/labels/immutable [3].
Status of This Memo Status of This Memo
This Internet-Draft is submitted in full conformance with the This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79. provisions of BCP 78 and BCP 79.
Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet- working documents as Internet-Drafts. The list of current Internet-
Drafts is at http://datatracker.ietf.org/drafts/current/. Drafts is at httpsingle facebook picture quotes s://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on facebook im single quotes January 4, 2018. This Internet-Draft will expire on partnerbörsen vergleich 2013 youtube April 4, 2018.
Copyright Notice Copyright Notice
Copyright (c) 2017 IETF Trust and the persons identified as the Copyright (c) 2017 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of (httpbest facebook app for singles s://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
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to this document. Code Components extracted from this document must to this document. Code Components extracted from this document must
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the Trust Legal Provisions and are provided without warranty as the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License. described in the Simplified BSD License.
facebook app for finding singles Table of Contents
facebook app meet singles
facebook app für singles 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
anzeigen partnersuche kostenlos leipzig 1.1. Notational Conventions . . . . . . . . . . . . . . . . . 3
ios facebook single sign on example 2. The Immutable Cache-Control Extension . . . . . . . . . . . . 3
partnersuche regional park 2.1. About Intermediaries . . . . . . . . . . . . . . . . . . 4
all the single ladies facebook comment 2.2. Example . . . . . . . . . . . . . . . . . . . . . . . . . 4
all the single ladies facebook emoticon 3. Security Considerations . . . . . . . . . . . . . . . . . . . 4
all the single ladies facebook text 4. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 5
all the single ladies facebook chat 5. References . . . . . . . . . . . . . . . . . . . . . . . . . 5
anzeigen partnersuche kostenlos runterladen 5.1. Normative References . . . . . . . . . . . . . . . . . . 5
partnersuche regional hospital 5.2. Informative References . . . . . . . . . . . . . . . . . 5
partnersuche regional kostenlos 5.3. URIs . . . . . . . . . . . . . . . . . . . . . . . . . . 5
partnersuche regional library Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . . 6
how to make facebook single name Author's Address . . . . . . . . . . . . . . . . . . . . . . . . 6
1. Introduction 1. Introduction
HTTP's freshness lifetime mechanism [RFC7234] allows a client to HTTP's freshness lifetime mechanism [RFC7234] allows a client to
safely reuse a stored response to satisfy future requests for a safely reuse a stored response to satisfy future requests for a
specified period of time. However, it is still possible that the specified period of time. However, it is still possible that the
resource will be modified during that period. resource will be modified during that period.
For instance, a fronthow to facebook single name page newspaper photo with a freshness lifetime For instance, a fronthow to use single name in facebook 2014 -page newspaper photo with a freshness lifetime
of one hour would mean that no user would see a cached photo more 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 than one hour old. However, the photo could be updated at any timesternzeichen und partnersuche ,
resulting in different users seeing different photos depending on the resulting in different users seeing different photos depending on the
contents of their caches for up to one hour. This is compliant with contents of their caches for up to one hour. This is compliant with
the caching mechanism defined in [RFC7234]. the caching mechanism defined in [RFC7234].
Users that need to confirm there have been no updates to their cached Users that need to confirm there have been no updates to their cached
responses typically use the reload (or refresh) mechanism in their responses typically use the reload (or refresh) mechanism in their
user agents. This in turn generates a conditional request [RFC7232] user agents. This in turn generates a conditional request [RFC7232]how to make single name on fb 2015 ,
and either a new representation or, if unmodified, a 304 (Not and either a new representation or, if unmodified, a 304 (Not
Modified) response [RFC7232] is returned. A user agent that Modified) response [RFC7232] is returned. A user agent that
understands HTML and fetches its dependent sub-resources might issue understands HTML and fetches its dependent sub-resources might issue
hundreds of conditional requests to refresh all portions of a common hundreds of conditional requests to refresh all portions of a common
page [REQPERPAGE]. page [REQPERPAGE].
However some content providers never create more than one variant of Howeverhow to make single name account on facebook 2015 , some content providers never create more than one variant of
a sub-resource, because they use "versioned" URLs. When these a sub-resource, because they use "versioned" URLs. When these
resources need an update they are simply published under a new URL, resources need an updateanzeigen partnersuche kostenlos online , they are simply published under a new URL,
typically embedding an identifier unique to that version of the typically embedding an identifier unique to that version of the
resource in the path, and references to the sub-resource are updated resource in the path, and references to the sub-resource are updated
with the new path information. with the new path information.
For example, "https://www.example.com/101016/main.css" might be For example, "https://www.example.com/101016/main.css" might be
updated and republished as "https://www.example.com/102026/main.css", updated and republished as "https://www.example.com/102026/main.css",
with any links that reference it being changed at the same time. with any links that reference it being changed at the same time.
This design pattern allows a very large freshness lifetime to be used This design pattern allows a very large freshness lifetime to be used
for the sub-resource without guessing when it will be updated in the for the sub-resource without guessing when it will be updated in the
future. future.
Unfortunately, the user agent does not know when this versioned URL Unfortunately, the user agent does not know when this versioned URL
design pattern is used. As a result, user-driven refreshes still design pattern is used. As a result, user-driven refreshes still
translate into wasted conditional requests for each sub-resource as translate into wasted conditional requests for each sub-resource as
each will return 304 responses. each will return 304 responses.
The top australian online dating "immutable" HTTP response Cache-Control extension allows servers The zweite hand berlin partnersuche immutable HTTP response Cache-Control extension allows servers to
to identify responses that will not be updated during their freshness identify responses that will not be updated during their freshness
lifetimes. lifetimes.
This effectively informs clients that any conditional request for This effectively informs clients that any conditional request for
that response can be safely skipped without worrying that it has been that response can be safely skipped without worrying that it has been
updated. updated.
1.1. Notational Conventions 1.1. Notational Conventions
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this "SHOULD", "SHOULD NOT", "RECOMMENDED", facebook singles österreich "NOT RECOMMENDED", "MAY", and
document are to be interpreted as described in facebook singles über 40 [RFC2119]. "OPTIONAL" in this document are to be interpreted as described in facebook singles schweiz BCP
facebook singles kennenlernen 14 [RFC2119] [RFC8174] when, and only when, they appear in all
online dating example profiles capitals, as shown here.
2. The facebook relationship status won't change to single immutable Cache-Control extension 2. The how to have single facebook name Immutable Cache-Control Extension
When present in an HTTP response, the how to make facebook account with single name "immutable" Cache-Control When present in an HTTP response, the corona sdk facebook single sign on immutable Cache-Control
extension indicates that the origin server will not update the extension indicates that the origin server will not update the
representation of that resource during the freshness lifetime of the representation of that resource during the freshness lifetime of the
response. response.
Clients SHOULD NOT issue a conditional request during the response's Clients SHOULD NOT issue a conditional request during the response's
freshness lifetime facebook sdk single sign on (e.g. upon a reload) unless explicitly overridden freshness lifetime indonesia proxy for facebook single name (e.g., upon a reload) unless explicitly overridden
by the user dating sites for 14 15 year olds (e.g. a force reload). by the user how do i show my single relationship status on facebook (e.g., a force reload).
The immutable extension only applies during the freshness lifetime of The immutable extension only applies during the freshness lifetime of
the stored response. Stale responses SHOULD be revalidated as they the stored response. Stale responses SHOULD be revalidated as they
normally would be in the absence of single relationship status facebook immutable. normally would be in the absence of facebook singles dating sites the immutable extension.
The immutable extension takes no arguments. If any arguments are The immutable extension takes no arguments. If any arguments are
present, they have no meaningfacebook singles dating site , and MUST be ignored. Multiple present, they have no meaning and MUST be ignored. Multiple
instances of the immutable extension are equivalent to one instance. instances of the immutable extension are equivalent to one instance.
The presence of an immutable Cache-Control extension in a request has The presence of an immutable Cache-Control extension in a request has
no effect. no effect.
2.1. About Intermediaries 2.1. About Intermediaries
An immutable response has the same semantic meaning when received by An immutable response has the same semantic meaning when received by
proxy clients as it does when received by facebook singles dating app User-Agent based clients. proxy clients as it does when received by facebook single status this will not appear in news feed user-agent-based clients.
facebook single not appear in news feed Therefore proxies SHOULD skip conditionally revalidating fresh online dating profile worksheet Therefore, proxies SHOULD skip conditionally revalidating fresh
responses containing the immutable extension unless there is a signal responses containing the immutable extension unless there is a signal
from the client that a validation is necessary online dating worksheets (e.g. a no-cache from the client that a validation is necessary facebook status for single mothers (e.g., a no-cache
Cache-Control request directive defined single mannen op facebook by Section 5.2.1.4 of Cache-Control request directive defined partnersuche in italien urlaub in Section 5.2.1.4 of
[RFC7234]). [RFC7234]).
A proxy that uses immutable to bypass a conditional revalidation can A proxy that uses single quotes fb covers the immutable single quotes fb status extension to bypass a conditional
choose whether to reply with a 304 or 200 to its requesting client revalidation can choose whether to reply with a 304 or 200 dating site germany english response
based on the request headers the proxy received. to its requesting client based on the request headers the proxy
received.
2.2. Example 2.2. Example
Cache-Control: max-age=31536000, immutable Cache-Control: max-age=31536000, immutable
3. Security Considerations 3. Security Considerations
The immutable mechanism acts as form of soft pinning and, as with all The immutable mechanism acts as form of soft pinning and, as with all
pinning mechanisms, creates a vector for amplification of cache pinning mechanisms, creates a vector for amplification of cache
corruption incidents. These incidents include cachepartnersuche regional rail poisoning corruption incidents. These incidents include cachehow to set single word name in facebook -poisoning
attacks. Three mechanisms are suggested for mitigation of this risk: attacks. Three mechanisms are suggested for mitigation of this risk:
o Clients SHOULD ignore immutable from resources that are not part o Clients SHOULD ignore how to set single name on facebook 2015 the immutable how to set single name in facebook profile extension from resources that
of an authenticated context such as HTTPS. Authenticated are not part of an authenticated context such as HTTPS.
resources are less vulnerable to cache poisoning. Authenticated resources are less vulnerable to cache poisoning.
o Userfacebook single name account trick -Agents often provide two different refresh mechanisms: reload o Userfacebook tricks single name agents often provide two different refresh mechanisms: reload
and some form of force-reload. The latter is used to rectify and some form of force-reload. The latter is used to rectify
interrupted loads and other corruption. These reloads, typically interrupted loads and other corruption. These reloads, typically
indicated through no-cache request attributes, SHOULD ignore indicated through no-cache request attributes, SHOULD ignore facebook single name trick 2013 the
immutable as well. immutable anzeigen partnersuche kostenlos hannover extension as well.
o Clients SHOULD ignore immutable for resources that do not provide o Clients SHOULD ignore anzeigen partnersuche kostenlos hamburg the immutable facebook single name 2015 extension for resources that
a strong indication that the stored response size is the correct do not provide a strong indication that the stored response size
response size such as responses delimited by connection close. is the correct response size such as responses delimited by
connection close.
4. IANA Considerations 4. IANA Considerations
luxus partnervermittlung hamburg Section 7.1 of [RFC7234] requires registration of the immutable single facebook timeline cover The immutable extension single facebook timeline covers has been registered in the "Hypertext
extension in the "Hypertext Transfer Protocol (HTTP) Cache Directive Transfer Protocol (HTTP) Cache Directive Registry" facebook show single on timeline per the guidelines
Registry" facebook timeline single status with IETF Review. fb chat software for java described in Section 7.1 of [RFC7234].
cunning single lady ep 15 facebook
cunning single lady korean facebook o Cache-Directive: immutable
cunning single lady facebook thai
cunning single lady korean drama facebook o Pointer to specification text: [this document]
cunning single lady kodhit facebook 5. Acknowledgments cunning single lady ep 7 facebook o Cache Directive: immutable
cunning single lady drama facebook Thank you to Ben Maurer for partnership in developing and testing cunning single lady vietnam facebook o Reference: RFC 8246
cunning single lady facebook thailand this idea. Thank you to Amos Jeffries for help with proxy
how to change facebook timeline to single column interactions and to Mark Nottingham for help with the documentation.
facebook single news feed 6. References how to make single name id on facebook 2014 5. References
single status not showing up on facebook 6.1. Normative References how to change facebook profile name into single name 5.1. Normative References
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119, Requirement Levels", BCP 14, RFC 2119,
DOI 10.17487/RFC2119, March 1997, DOI 10.17487/RFC2119, March 1997,
<https://www.rfc-editor.org/info/rfc2119>. <https://www.rfc-editor.org/info/rfc2119>.
[RFC7232] Fielding, R., Ed. and J. Reschke, Ed., "Hypertext Transfer [RFC7232] Fielding, R., Ed. and J. Reschke, Ed., "Hypertext Transfer
Protocol (HTTP/1.1): Conditional Requests", RFC 7232, Protocol (HTTP/1.1): Conditional Requests", RFC 7232,
DOI 10.17487/RFC7232, June 2014, DOI 10.17487/RFC7232, June 2014,
<https://www.rfc-editor.org/info/rfc7232>. <https://www.rfc-editor.org/info/rfc7232>.
[RFC7234] Fielding, R., Ed., Nottingham, M., Ed., and J. Reschke, [RFC7234] Fielding, R., Ed., Nottingham, M., Ed., and J. Reschke,
Ed., "Hypertext Transfer Protocol (HTTP/1.1): Caching", Ed., "Hypertext Transfer Protocol (HTTP/1.1): Caching",
RFC 7234, DOI 10.17487/RFC7234, June 2014, RFC 7234, DOI 10.17487/RFC7234, June 2014,
<https://www.rfc-editor.org/info/rfc7234>. <https://www.rfc-editor.org/info/rfc7234>.
how to change facebook name in single word 6.2. Informative References how to change my facebook single name [RFC8174] Leiba, B., "Ambiguity of Uppercase vs Lowercase in RFC
how to change facebook profile name single 2119 Key Words", BCP 14, RFC 8174, DOI 10.17487/RFC8174,
single status facebook news feed May 2017, <https://www.rfc-editor.org/info/rfc8174>.
facebook single name proxy 2015
facebook single name proxy code 5.2. Informative References
[REQPERPAGE] [REQPERPAGE]
facebook single name proxy 2014 "HTTP Archive", n.d., facebook single name working proxy HTTP Archive, "Total Requests per Page",
<http://httparchive.org/interesting.php#reqTotal>. <http://httparchive.org/interesting.php#reqTotal>.
erfolgreiche partnersuche ab 50 zoll 6.3. URIs change facebook name to single name 2014 5.3. URIs
[1] https://lists.w3.org/Archives/Public/ietf-http-wg/ [1] https://lists.w3.org/Archives/Public/ietf-http-wg/
[2] http://httpwg.github.io/ [2] http://httpwg.github.io/
[3] https://github.com/httpwg/http-extensions/labels/immutable [3] https://github.com/httpwg/http-extensions/labels/immutable
dating chat schweiz quotes Acknowledgments
anzeigen partnersuche kostenlos xp
partnervermittlung edelweiss youtube Thank you to Ben Maurer for partnership in developing and testing
partnersuche regional medical this idea. Thank you to Amos Jeffries for help with proxy
how to make single name account on facebook 2013 interactions and to Mark Nottingham for help with the documentation.
Author's Address Author's Address
Patrick McManus Patrick McManus
Mozilla Mozilla
Email: how to make single name account on facebook 2014 [email protected].com Email: how to make single name account on facebook by android [email protected].com
 End of changes. 36 change blocks. 
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