René's URL Explorer Experiment

Title: RFC 9111: HTTP Caching

Description: 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. This document obsoletes RFC 7234.

Mail addresses
fielding@gbiv.com
mnot@mnot.net
julian.reschke@greenbytes.de

Generator: xml2rfc 3.12.10

direct link

Domain: www.rfc-editor.org

Hey, it has address:

Roy T. Fielding (editor)

Adobe

345 Park Ave
San Jose, CA 95110

United States of America

Email: fielding@gbiv.com

URI: https://roy.gbiv.com/

scripts	Common,Latin
author	Julian Reschke
keyword	HTTP Caching
rfc.number	9111

Links:

9111	https://www.rfc-editor.org/rfc/rfc9111
7234	https://www.rfc-editor.org/rfc/rfc7234
Abstract	https://www.rfc-editor.org/rfc/rfc9111.html#abstract
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-abstract-1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-abstract-2
Status of This Memo	https://www.rfc-editor.org/rfc/rfc9111.html#name-status-of-this-memo
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-boilerplate.1-1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-boilerplate.1-2
https://www.rfc-editor.org/info/rfc9111	https://www.rfc-editor.org/info/rfc9111
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-boilerplate.1-3
Copyright Notice	https://www.rfc-editor.org/rfc/rfc9111.html#name-copyright-notice
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-boilerplate.2-1
https://trustee.ietf.org/license-info	https://trustee.ietf.org/license-info
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-boilerplate.2-2
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-boilerplate.2-3
▲	https://www.rfc-editor.org/rfc/rfc9111.html
Table of Contents	https://www.rfc-editor.org/rfc/rfc9111.html#name-table-of-contents
1	https://www.rfc-editor.org/rfc/rfc9111.html#section-1
Introduction	https://www.rfc-editor.org/rfc/rfc9111.html#name-introduction
1.1	https://www.rfc-editor.org/rfc/rfc9111.html#section-1.1
Requirements Notation	https://www.rfc-editor.org/rfc/rfc9111.html#name-requirements-notation
1.2	https://www.rfc-editor.org/rfc/rfc9111.html#section-1.2
Syntax Notation	https://www.rfc-editor.org/rfc/rfc9111.html#name-syntax-notation
1.2.1	https://www.rfc-editor.org/rfc/rfc9111.html#section-1.2.1
Imported Rules	https://www.rfc-editor.org/rfc/rfc9111.html#name-imported-rules
1.2.2	https://www.rfc-editor.org/rfc/rfc9111.html#section-1.2.2
Delta Seconds	https://www.rfc-editor.org/rfc/rfc9111.html#name-delta-seconds
2	https://www.rfc-editor.org/rfc/rfc9111.html#section-2
Overview of Cache Operation	https://www.rfc-editor.org/rfc/rfc9111.html#name-overview-of-cache-operation
3	https://www.rfc-editor.org/rfc/rfc9111.html#section-3
Storing Responses in Caches	https://www.rfc-editor.org/rfc/rfc9111.html#name-storing-responses-in-caches
3.1	https://www.rfc-editor.org/rfc/rfc9111.html#section-3.1
Storing Header and Trailer Fields	https://www.rfc-editor.org/rfc/rfc9111.html#name-storing-header-and-trailer-
3.2	https://www.rfc-editor.org/rfc/rfc9111.html#section-3.2
Updating Stored Header Fields	https://www.rfc-editor.org/rfc/rfc9111.html#name-updating-stored-header-fiel
3.3	https://www.rfc-editor.org/rfc/rfc9111.html#section-3.3
Storing Incomplete Responses	https://www.rfc-editor.org/rfc/rfc9111.html#name-storing-incomplete-response
3.4	https://www.rfc-editor.org/rfc/rfc9111.html#section-3.4
Combining Partial Content	https://www.rfc-editor.org/rfc/rfc9111.html#name-combining-partial-content
3.5	https://www.rfc-editor.org/rfc/rfc9111.html#section-3.5
Storing Responses to Authenticated Requests	https://www.rfc-editor.org/rfc/rfc9111.html#name-storing-responses-to-authen
4	https://www.rfc-editor.org/rfc/rfc9111.html#section-4
Constructing Responses from Caches	https://www.rfc-editor.org/rfc/rfc9111.html#name-constructing-responses-from
4.1	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.1
Calculating Cache Keys with the Vary Header Field	https://www.rfc-editor.org/rfc/rfc9111.html#name-calculating-cache-keys-with
4.2	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2
Freshness	https://www.rfc-editor.org/rfc/rfc9111.html#name-freshness
4.2.1	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.1
Calculating Freshness Lifetime	https://www.rfc-editor.org/rfc/rfc9111.html#name-calculating-freshness-lifet
4.2.2	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.2
Calculating Heuristic Freshness	https://www.rfc-editor.org/rfc/rfc9111.html#name-calculating-heuristic-fresh
4.2.3	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.3
Calculating Age	https://www.rfc-editor.org/rfc/rfc9111.html#name-calculating-age
4.2.4	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.4
Serving Stale Responses	https://www.rfc-editor.org/rfc/rfc9111.html#name-serving-stale-responses
4.3	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3
Validation	https://www.rfc-editor.org/rfc/rfc9111.html#name-validation
4.3.1	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.1
Sending a Validation Request	https://www.rfc-editor.org/rfc/rfc9111.html#name-sending-a-validation-reques
4.3.2	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.2
Handling a Received Validation Request	https://www.rfc-editor.org/rfc/rfc9111.html#name-handling-a-received-validat
4.3.3	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.3
Handling a Validation Response	https://www.rfc-editor.org/rfc/rfc9111.html#name-handling-a-validation-respo
4.3.4	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.4
Freshening Stored Responses upon Validation	https://www.rfc-editor.org/rfc/rfc9111.html#name-freshening-stored-responses
4.3.5	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.5
Freshening Responses with HEAD	https://www.rfc-editor.org/rfc/rfc9111.html#name-freshening-responses-with-h
4.4	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.4
Invalidating Stored Responses	https://www.rfc-editor.org/rfc/rfc9111.html#name-invalidating-stored-respons
5	https://www.rfc-editor.org/rfc/rfc9111.html#section-5
Field Definitions	https://www.rfc-editor.org/rfc/rfc9111.html#name-field-definitions
5.1	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.1
Age	https://www.rfc-editor.org/rfc/rfc9111.html#name-age
5.2	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2
Cache-Control	https://www.rfc-editor.org/rfc/rfc9111.html#name-cache-control
5.2.1	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1
Request Directives	https://www.rfc-editor.org/rfc/rfc9111.html#name-request-directives
5.2.1.1	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1.1
max-age	https://www.rfc-editor.org/rfc/rfc9111.html#name-max-age
5.2.1.2	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1.2
max-stale	https://www.rfc-editor.org/rfc/rfc9111.html#name-max-stale
5.2.1.3	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1.3
min-fresh	https://www.rfc-editor.org/rfc/rfc9111.html#name-min-fresh
5.2.1.4	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1.4
no-cache	https://www.rfc-editor.org/rfc/rfc9111.html#name-no-cache
5.2.1.5	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1.5
no-store	https://www.rfc-editor.org/rfc/rfc9111.html#name-no-store
5.2.1.6	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1.6
no-transform	https://www.rfc-editor.org/rfc/rfc9111.html#name-no-transform
5.2.1.7	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1.7
only-if-cached	https://www.rfc-editor.org/rfc/rfc9111.html#name-only-if-cached
5.2.2	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2
Response Directives	https://www.rfc-editor.org/rfc/rfc9111.html#name-response-directives
5.2.2.1	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.1
max-age	https://www.rfc-editor.org/rfc/rfc9111.html#name-max-age-2
5.2.2.2	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.2
must-revalidate	https://www.rfc-editor.org/rfc/rfc9111.html#name-must-revalidate
5.2.2.3	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.3
must-understand	https://www.rfc-editor.org/rfc/rfc9111.html#name-must-understand
5.2.2.4	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.4
no-cache	https://www.rfc-editor.org/rfc/rfc9111.html#name-no-cache-2
5.2.2.5	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.5
no-store	https://www.rfc-editor.org/rfc/rfc9111.html#name-no-store-2
5.2.2.6	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.6
no-transform	https://www.rfc-editor.org/rfc/rfc9111.html#name-no-transform-2
5.2.2.7	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.7
private	https://www.rfc-editor.org/rfc/rfc9111.html#name-private
5.2.2.8	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.8
proxy-revalidate	https://www.rfc-editor.org/rfc/rfc9111.html#name-proxy-revalidate
5.2.2.9	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.9
public	https://www.rfc-editor.org/rfc/rfc9111.html#name-public
5.2.2.10	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.10
s-maxage	https://www.rfc-editor.org/rfc/rfc9111.html#name-s-maxage
5.2.3	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.3
Extension Directives	https://www.rfc-editor.org/rfc/rfc9111.html#name-extension-directives
5.2.4	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.4
Cache Directive Registry	https://www.rfc-editor.org/rfc/rfc9111.html#name-cache-directive-registry
5.3	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.3
Expires	https://www.rfc-editor.org/rfc/rfc9111.html#name-expires
5.4	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.4
Pragma	https://www.rfc-editor.org/rfc/rfc9111.html#name-pragma
5.5	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.5
Warning	https://www.rfc-editor.org/rfc/rfc9111.html#name-warning
6	https://www.rfc-editor.org/rfc/rfc9111.html#section-6
Relationship to Applications and Other Caches	https://www.rfc-editor.org/rfc/rfc9111.html#name-relationship-to-application
7	https://www.rfc-editor.org/rfc/rfc9111.html#section-7
Security Considerations	https://www.rfc-editor.org/rfc/rfc9111.html#name-security-considerations
7.1	https://www.rfc-editor.org/rfc/rfc9111.html#section-7.1
Cache Poisoning	https://www.rfc-editor.org/rfc/rfc9111.html#name-cache-poisoning
7.2	https://www.rfc-editor.org/rfc/rfc9111.html#section-7.2
Timing Attacks	https://www.rfc-editor.org/rfc/rfc9111.html#name-timing-attacks
7.3	https://www.rfc-editor.org/rfc/rfc9111.html#section-7.3
Caching of Sensitive Information	https://www.rfc-editor.org/rfc/rfc9111.html#name-caching-of-sensitive-inform
8	https://www.rfc-editor.org/rfc/rfc9111.html#section-8
IANA Considerations	https://www.rfc-editor.org/rfc/rfc9111.html#name-iana-considerations
8.1	https://www.rfc-editor.org/rfc/rfc9111.html#section-8.1
Field Name Registration	https://www.rfc-editor.org/rfc/rfc9111.html#name-field-name-registration
8.2	https://www.rfc-editor.org/rfc/rfc9111.html#section-8.2
Cache Directive Registration	https://www.rfc-editor.org/rfc/rfc9111.html#name-cache-directive-registratio
8.3	https://www.rfc-editor.org/rfc/rfc9111.html#section-8.3
Warn Code Registry	https://www.rfc-editor.org/rfc/rfc9111.html#name-warn-code-registry
9	https://www.rfc-editor.org/rfc/rfc9111.html#section-9
References	https://www.rfc-editor.org/rfc/rfc9111.html#name-references
9.1	https://www.rfc-editor.org/rfc/rfc9111.html#section-9.1
Normative References	https://www.rfc-editor.org/rfc/rfc9111.html#name-normative-references
9.2	https://www.rfc-editor.org/rfc/rfc9111.html#section-9.2
Informative References	https://www.rfc-editor.org/rfc/rfc9111.html#name-informative-references
Appendix A	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-A
Collected ABNF	https://www.rfc-editor.org/rfc/rfc9111.html#name-collected-abnf
Appendix B	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-B
Changes from RFC 7234	https://www.rfc-editor.org/rfc/rfc9111.html#name-changes-from-rfc-7234
	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-C
Acknowledgements	https://www.rfc-editor.org/rfc/rfc9111.html#name-acknowledgements
	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D
Index	https://www.rfc-editor.org/rfc/rfc9111.html#name-index
	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-E
Authors' Addresses	https://www.rfc-editor.org/rfc/rfc9111.html#name-authors-addresses
1.	https://www.rfc-editor.org/rfc/rfc9111.html#section-1
Introduction	https://www.rfc-editor.org/rfc/rfc9111.html#name-introduction
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-1-1
Section 3.7	https://www.rfc-editor.org/rfc/rfc9110#section-3.7
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-1-2
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-1-3
Section 4.2	https://www.rfc-editor.org/rfc/rfc9111.html#expiration.model
Section 4.3	https://www.rfc-editor.org/rfc/rfc9111.html#validation.model
Section 4.2.4	https://www.rfc-editor.org/rfc/rfc9111.html#serving.stale.responses
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-1-4
RFC 7234	https://www.rfc-editor.org/rfc/rfc9111.html#RFC7234
Appendix B	https://www.rfc-editor.org/rfc/rfc9111.html#changes.from.rfc.7234
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-1-5
1.1.	https://www.rfc-editor.org/rfc/rfc9111.html#section-1.1
Requirements Notation	https://www.rfc-editor.org/rfc/rfc9111.html#name-requirements-notation
RFC2119	https://www.rfc-editor.org/rfc/rfc9111.html#RFC2119
RFC8174	https://www.rfc-editor.org/rfc/rfc9111.html#RFC8174
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-1.1-1
Section 2	https://www.rfc-editor.org/rfc/rfc9110#section-2
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-1.1-2
1.2.	https://www.rfc-editor.org/rfc/rfc9111.html#section-1.2
Syntax Notation	https://www.rfc-editor.org/rfc/rfc9111.html#name-syntax-notation
RFC5234	https://www.rfc-editor.org/rfc/rfc9111.html#RFC5234
RFC7405	https://www.rfc-editor.org/rfc/rfc9111.html#RFC7405
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-1.2-1
Section 5.6.1	https://www.rfc-editor.org/rfc/rfc9110#section-5.6.1
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
Appendix A	https://www.rfc-editor.org/rfc/rfc9111.html#collected.abnf
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-1.2-2
1.2.1.	https://www.rfc-editor.org/rfc/rfc9111.html#section-1.2.1
Imported Rules	https://www.rfc-editor.org/rfc/rfc9111.html#name-imported-rules
RFC5234	https://www.rfc-editor.org/rfc/rfc9111.html#RFC5234
Appendix B.1	https://www.rfc-editor.org/rfc/rfc5234#appendix-B.1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-1.2.1-1
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-1.2.1-2
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-1.2.1-3
1.2.2.	https://www.rfc-editor.org/rfc/rfc9111.html#section-1.2.2
Delta Seconds	https://www.rfc-editor.org/rfc/rfc9111.html#name-delta-seconds
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-1.2.2-1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-1.2.2-2
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-1.2.2-3
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-1.2.2-4.1
2.	https://www.rfc-editor.org/rfc/rfc9111.html#section-2
Overview of Cache Operation	https://www.rfc-editor.org/rfc/rfc9111.html#name-overview-of-cache-operation
Section 3	https://www.rfc-editor.org/rfc/rfc9110#section-3
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-2-1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-2-2
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-2-3
Section 4.1	https://www.rfc-editor.org/rfc/rfc9111.html#caching.negotiated.responses
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-2-4
Section 7.2	https://www.rfc-editor.org/rfc/rfc9111.html#security.timing
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-2-5
Section 9.3.1	https://www.rfc-editor.org/rfc/rfc9110#section-9.3.1
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-2-6
Section 4.2.4	https://www.rfc-editor.org/rfc/rfc9111.html#serving.stale.responses
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-2-7
3.	https://www.rfc-editor.org/rfc/rfc9111.html#section-3
Storing Responses in Caches	https://www.rfc-editor.org/rfc/rfc9111.html#name-storing-responses-in-caches
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3-1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3-2.1.1
Section 15	https://www.rfc-editor.org/rfc/rfc9110#section-15
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3-2.2.1
Section 5.2.2.3	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.must-understand
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3-2.3.1
Section 5.2.2.5	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.no-store
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3-2.4.1
Section 5.2.2.7	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.private
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3-2.5.1
Section 11.6.2	https://www.rfc-editor.org/rfc/rfc9110#section-11.6.2
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
Section 3.5	https://www.rfc-editor.org/rfc/rfc9111.html#caching.authenticated.responses
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3-2.6.1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3-2.7.1
Section 5.2.2.9	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.public
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3-2.7.2.1
Section 5.2.2.7	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.private
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3-2.7.2.2
Expires	https://www.rfc-editor.org/rfc/rfc9111.html#field.expires
Section 5.3	https://www.rfc-editor.org/rfc/rfc9111.html#field.expires
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3-2.7.2.3
Section 5.2.2.1	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.max-age
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3-2.7.2.4
Section 5.2.2.10	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.s-maxage
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3-2.7.2.5
Section 5.2.3	https://www.rfc-editor.org/rfc/rfc9111.html#cache.control.extensions
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3-2.7.2.6
Section 4.2.2	https://www.rfc-editor.org/rfc/rfc9111.html#heuristic.freshness
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3-2.7.2.7
Section 5.2.3	https://www.rfc-editor.org/rfc/rfc9111.html#cache.control.extensions
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3-3
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3-4
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3-5
3.1.	https://www.rfc-editor.org/rfc/rfc9111.html#section-3.1
Storing Header and Trailer Fields	https://www.rfc-editor.org/rfc/rfc9111.html#name-storing-header-and-trailer-
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3.1-1
Section 7.6.1	https://www.rfc-editor.org/rfc/rfc9110#section-7.6.1
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3.1-2.1
Section 7.6.1	https://www.rfc-editor.org/rfc/rfc9110#section-7.6.1
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3.1-2.2
Section 5.2.2.4	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.no-cache
Section 5.2.2.7	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.private
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3.1-2.3
Section 11.7.1	https://www.rfc-editor.org/rfc/rfc9110#section-11.7.1
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
Section 11.7.3	https://www.rfc-editor.org/rfc/rfc9110#section-11.7.3
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
Section 11.7.2	https://www.rfc-editor.org/rfc/rfc9110#section-11.7.2
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3.1-2.4
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3.1-3
3.2.	https://www.rfc-editor.org/rfc/rfc9111.html#section-3.2
Updating Stored Header Fields	https://www.rfc-editor.org/rfc/rfc9111.html#name-updating-stored-header-fiel
3.4	https://www.rfc-editor.org/rfc/rfc9111.html#combining.responses
4.3.4	https://www.rfc-editor.org/rfc/rfc9111.html#freshening.responses
4.3.5	https://www.rfc-editor.org/rfc/rfc9111.html#head.effects
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3.2-1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3.2-2
Section 3.1	https://www.rfc-editor.org/rfc/rfc9111.html#storing.fields
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3.2-3.1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3.2-3.2
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3.2-3.3
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3.2-3.4
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3.2-4
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3.2-5
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3.2-6
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3.2-7
3.3.	https://www.rfc-editor.org/rfc/rfc9111.html#section-3.3
Storing Incomplete Responses	https://www.rfc-editor.org/rfc/rfc9111.html#name-storing-incomplete-response
Section 6.1	https://www.rfc-editor.org/rfc/rfc9110#section-6.1
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3.3-1
Section 14.2	https://www.rfc-editor.org/rfc/rfc9110#section-14.2
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
Section 3.4	https://www.rfc-editor.org/rfc/rfc9111.html#combining.responses
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3.3-2
3.4.	https://www.rfc-editor.org/rfc/rfc9111.html#section-3.4
Combining Partial Content	https://www.rfc-editor.org/rfc/rfc9111.html#name-combining-partial-content
Section 14.2	https://www.rfc-editor.org/rfc/rfc9110#section-14.2
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
Section 15.3.7.3	https://www.rfc-editor.org/rfc/rfc9110#section-15.3.7.3
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3.4-1
Section 3.2	https://www.rfc-editor.org/rfc/rfc9111.html#update
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3.4-2
3.5.	https://www.rfc-editor.org/rfc/rfc9111.html#section-3.5
Storing Responses to Authenticated Requests	https://www.rfc-editor.org/rfc/rfc9111.html#name-storing-responses-to-authen
Section 11.6.2	https://www.rfc-editor.org/rfc/rfc9110#section-11.6.2
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
Cache-Control	https://www.rfc-editor.org/rfc/rfc9111.html#field.cache-control
Section 5.2.2	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3.5-1
Section 5.2.2.2	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.must-revalidate
Section 5.2.2.9	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.public
Section 5.2.2.10	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.s-maxage
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-3.5-2
4.	https://www.rfc-editor.org/rfc/rfc9111.html#section-4
Constructing Responses from Caches	https://www.rfc-editor.org/rfc/rfc9111.html#name-constructing-responses-from
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4-1
Section 7.1	https://www.rfc-editor.org/rfc/rfc9110#section-7.1
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4-2.1.1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4-2.2.1
Section 4.1	https://www.rfc-editor.org/rfc/rfc9111.html#caching.negotiated.responses
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4-2.3.1
Section 5.2.2.4	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.no-cache
Section 4.3	https://www.rfc-editor.org/rfc/rfc9111.html#validation.model
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4-2.4.1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4-2.5.1
Section 4.2	https://www.rfc-editor.org/rfc/rfc9111.html#expiration.model
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4-2.5.2.1
Section 4.2.4	https://www.rfc-editor.org/rfc/rfc9111.html#serving.stale.responses
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4-2.5.2.2
Section 4.3	https://www.rfc-editor.org/rfc/rfc9111.html#validation.model
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4-2.5.2.3
Section 5.2.3	https://www.rfc-editor.org/rfc/rfc9111.html#cache.control.extensions
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4-3
Age	https://www.rfc-editor.org/rfc/rfc9111.html#field.age
Section 5.1	https://www.rfc-editor.org/rfc/rfc9111.html#field.age
Section 4.2.3	https://www.rfc-editor.org/rfc/rfc9111.html#age.calculations
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4-4
Section 9.2.1	https://www.rfc-editor.org/rfc/rfc9110#section-9.2.1
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4-5
Section 4.4	https://www.rfc-editor.org/rfc/rfc9111.html#invalidation
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4-6
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4-7
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4-8
Section 5.6.7	https://www.rfc-editor.org/rfc/rfc9110#section-5.6.7
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4-9
4.1.	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.1
Calculating Cache Keys with the Vary Header Field	https://www.rfc-editor.org/rfc/rfc9111.html#name-calculating-cache-keys-with
Section 12.5.5	https://www.rfc-editor.org/rfc/rfc9110#section-12.5.5
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.1-1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.1-2
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.1-3.1
Section 5.2	https://www.rfc-editor.org/rfc/rfc9110#section-5.2
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.1-3.2
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.1-3.3
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.1-4
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.1-5
Section 4	https://www.rfc-editor.org/rfc/rfc9111.html#constructing.responses.from.caches
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.1-6
Section 4.2.3	https://www.rfc-editor.org/rfc/rfc9111.html#age.calculations
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.1-7
Section 4.3	https://www.rfc-editor.org/rfc/rfc9111.html#validation.model
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.1-8
4.2.	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2
Freshness	https://www.rfc-editor.org/rfc/rfc9111.html#name-freshness
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2-1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2-2
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2-3
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2-4
Expires	https://www.rfc-editor.org/rfc/rfc9111.html#field.expires
Section 5.3	https://www.rfc-editor.org/rfc/rfc9111.html#field.expires
Section 5.2.2.1	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.max-age
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2-5
Section 4.2.4	https://www.rfc-editor.org/rfc/rfc9111.html#serving.stale.responses
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2-6
Section 4.2.2	https://www.rfc-editor.org/rfc/rfc9111.html#heuristic.freshness
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2-7
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2-8
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2-9
Section 4.2.1	https://www.rfc-editor.org/rfc/rfc9111.html#calculating.freshness.lifetime
Section 4.2.3	https://www.rfc-editor.org/rfc/rfc9111.html#age.calculations
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2-10
Section 5.2.1	https://www.rfc-editor.org/rfc/rfc9111.html#cache-request-directive
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2-11
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2-12
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2-13.1
Expires	https://www.rfc-editor.org/rfc/rfc9111.html#field.expires
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2-13.2
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2-13.3
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2-13.4
Section 6	https://www.rfc-editor.org/rfc/rfc9111.html#history.lists
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2-14
4.2.1.	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.1
Calculating Freshness Lifetime	https://www.rfc-editor.org/rfc/rfc9111.html#name-calculating-freshness-lifet
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.1-1
Section 5.2.2.10	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.s-maxage
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.1-2.1
Section 5.2.2.1	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.max-age
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.1-2.2
Expires	https://www.rfc-editor.org/rfc/rfc9111.html#field.expires
Section 5.3	https://www.rfc-editor.org/rfc/rfc9111.html#field.expires
Section 6.6.1	https://www.rfc-editor.org/rfc/rfc9110#section-6.6.1
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.1-2.3
Section 4.2.2	https://www.rfc-editor.org/rfc/rfc9111.html#heuristic.freshness
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.1-2.4
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.1-3
Expires	https://www.rfc-editor.org/rfc/rfc9111.html#field.expires
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.1-4
4.2.2.	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.2
Calculating Heuristic Freshness	https://www.rfc-editor.org/rfc/rfc9111.html#name-calculating-heuristic-fresh
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.2-1
Section 3	https://www.rfc-editor.org/rfc/rfc9111.html#response.cacheability
Section 15.1	https://www.rfc-editor.org/rfc/rfc9110#section-15.1
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.2-2
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.2-3
Section 8.8.2	https://www.rfc-editor.org/rfc/rfc9110#section-8.8.2
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.2-4
Section 13.9	https://www.rfc-editor.org/rfc/rfc2616#section-13.9
RFC2616	https://www.rfc-editor.org/rfc/rfc9111.html#RFC2616
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.2-5.1
4.2.3.	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.3
Calculating Age	https://www.rfc-editor.org/rfc/rfc9111.html#name-calculating-age
Age	https://www.rfc-editor.org/rfc/rfc9111.html#field.age
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.3-1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.3-2
Age	https://www.rfc-editor.org/rfc/rfc9111.html#field.age
Section 5.1	https://www.rfc-editor.org/rfc/rfc9111.html#field.age
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.3-3.2
Section 6.6.1	https://www.rfc-editor.org/rfc/rfc9110#section-6.6.1
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.3-3.4
Section 5.6.7	https://www.rfc-editor.org/rfc/rfc9110#section-5.6.7
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.3-3.6
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.3-3.8
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.3-3.10
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.3-4
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.3-5.1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.3-5.2
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.3-6
Age	https://www.rfc-editor.org/rfc/rfc9111.html#field.age
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.3-7
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.3-8
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.3-9
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.3-10
4.2.4.	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.4
Serving Stale Responses	https://www.rfc-editor.org/rfc/rfc9111.html#name-serving-stale-responses
Section 4.2	https://www.rfc-editor.org/rfc/rfc9111.html#expiration.model
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.4-1
Section 5.2.2	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.4-2
Section 5.2.1	https://www.rfc-editor.org/rfc/rfc9111.html#cache-request-directive
RFC5861	https://www.rfc-editor.org/rfc/rfc9111.html#RFC5861
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.2.4-3
4.3.	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3
Validation	https://www.rfc-editor.org/rfc/rfc9111.html#name-validation
Section 4.1	https://www.rfc-editor.org/rfc/rfc9111.html#caching.negotiated.responses
Section 13	https://www.rfc-editor.org/rfc/rfc9110#section-13
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3-1
4.3.1.	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.1
Sending a Validation Request	https://www.rfc-editor.org/rfc/rfc9111.html#name-sending-a-validation-reques
Section 4.1	https://www.rfc-editor.org/rfc/rfc9111.html#caching.negotiated.responses
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.1-1
Section 4.1	https://www.rfc-editor.org/rfc/rfc9111.html#caching.negotiated.responses
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.1-2
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.1-3
Section 8.8.2	https://www.rfc-editor.org/rfc/rfc9110#section-8.8.2
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.1-4
Section 8.8.3	https://www.rfc-editor.org/rfc/rfc9110#section-8.8.3
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.1-5
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.1-6
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.1-7.1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.1-7.2
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.1-7.3
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.1-8
4.3.2.	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.2
Handling a Received Validation Request	https://www.rfc-editor.org/rfc/rfc9111.html#name-handling-a-received-validat
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.2-1
Section 4	https://www.rfc-editor.org/rfc/rfc9111.html#constructing.responses.from.caches
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.2-2
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.2-3
Section 13.2.2	https://www.rfc-editor.org/rfc/rfc9110#section-13.2.2
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.2-4
Section 13.1.2	https://www.rfc-editor.org/rfc/rfc9110#section-13.1.2
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
Section 4	https://www.rfc-editor.org/rfc/rfc9111.html#constructing.responses.from.caches
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.2-5
Section 13.1.3	https://www.rfc-editor.org/rfc/rfc9110#section-13.1.3
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.2-6
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.2-7
Section 14.2	https://www.rfc-editor.org/rfc/rfc9110#section-14.2
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
Section 13.1.5	https://www.rfc-editor.org/rfc/rfc9110#section-13.1.5
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.2-8
Section 4.3.4	https://www.rfc-editor.org/rfc/rfc9111.html#freshening.responses
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.2-9
4.3.3.	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.3
Handling a Validation Response	https://www.rfc-editor.org/rfc/rfc9111.html#name-handling-a-validation-respo
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.3-1
Section 4.3.4	https://www.rfc-editor.org/rfc/rfc9111.html#freshening.responses
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.3-2.1
Section 3	https://www.rfc-editor.org/rfc/rfc9111.html#response.cacheability
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.3-2.2
Section 4.2.4	https://www.rfc-editor.org/rfc/rfc9111.html#serving.stale.responses
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.3-2.3
4.3.4.	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.4
Freshening Stored Responses upon Validation	https://www.rfc-editor.org/rfc/rfc9111.html#name-freshening-stored-responses
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.4-1
Section 4	https://www.rfc-editor.org/rfc/rfc9111.html#constructing.responses.from.caches
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.4-2
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.4-3
Section 8.8.1	https://www.rfc-editor.org/rfc/rfc9110#section-8.8.1
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.4-4.1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.4-4.2
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.4-4.3
Section 3.2	https://www.rfc-editor.org/rfc/rfc9111.html#update
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.4-5
4.3.5.	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.5
Freshening Responses with HEAD	https://www.rfc-editor.org/rfc/rfc9111.html#name-freshening-responses-with-h
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.5-1
Section 4.1	https://www.rfc-editor.org/rfc/rfc9111.html#caching.negotiated.responses
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.5-2
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.5-3
Section 3.2	https://www.rfc-editor.org/rfc/rfc9111.html#update
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.3.5-4
4.4.	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.4
Invalidating Stored Responses	https://www.rfc-editor.org/rfc/rfc9111.html#name-invalidating-stored-respons
Section 9.2.1	https://www.rfc-editor.org/rfc/rfc9110#section-9.2.1
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.4-1
Section 7.1	https://www.rfc-editor.org/rfc/rfc9110#section-7.1
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.4-2
Section 4.3.1	https://www.rfc-editor.org/rfc/rfc9110#section-4.3.1
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
Section 7.1	https://www.rfc-editor.org/rfc/rfc9110#section-7.1
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.4-3
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.4-4
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.4-5
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-4.4-6
5.	https://www.rfc-editor.org/rfc/rfc9111.html#section-5
Field Definitions	https://www.rfc-editor.org/rfc/rfc9111.html#name-field-definitions
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5-1
5.1.	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.1
Age	https://www.rfc-editor.org/rfc/rfc9111.html#name-age
Section 4.2.3	https://www.rfc-editor.org/rfc/rfc9111.html#age.calculations
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.1-1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.1-2
Section 1.2.2	https://www.rfc-editor.org/rfc/rfc9111.html#delta-seconds
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.1-3
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.1-4
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.1-5
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.1-6
5.2.	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2
Cache-Control	https://www.rfc-editor.org/rfc/rfc9111.html#name-cache-control
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2-1
Section 5.2.3	https://www.rfc-editor.org/rfc/rfc9111.html#cache.control.extensions
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2-2
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2-3
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2-4
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2-5
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2-6
5.2.1.	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1
Request Directives	https://www.rfc-editor.org/rfc/rfc9111.html#name-request-directives
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1-1
5.2.1.1.	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1.1
max-age	https://www.rfc-editor.org/rfc/rfc9111.html#name-max-age
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1.1-1
delta-seconds	https://www.rfc-editor.org/rfc/rfc9111.html#delta-seconds
Section 1.2.2	https://www.rfc-editor.org/rfc/rfc9111.html#delta-seconds
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1.1-2.1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1.1-3
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1.1-4
5.2.1.2.	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1.2
max-stale	https://www.rfc-editor.org/rfc/rfc9111.html#name-max-stale
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1.2-1
delta-seconds	https://www.rfc-editor.org/rfc/rfc9111.html#delta-seconds
Section 1.2.2	https://www.rfc-editor.org/rfc/rfc9111.html#delta-seconds
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1.2-2.1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1.2-3
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1.2-4
5.2.1.3.	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1.3
min-fresh	https://www.rfc-editor.org/rfc/rfc9111.html#name-min-fresh
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1.3-1
delta-seconds	https://www.rfc-editor.org/rfc/rfc9111.html#delta-seconds
Section 1.2.2	https://www.rfc-editor.org/rfc/rfc9111.html#delta-seconds
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1.3-2.1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1.3-3
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1.3-4
5.2.1.4.	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1.4
no-cache	https://www.rfc-editor.org/rfc/rfc9111.html#name-no-cache
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1.4-1
5.2.1.5.	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1.5
no-store	https://www.rfc-editor.org/rfc/rfc9111.html#name-no-store
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1.5-1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1.5-2
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1.5-3
5.2.1.6.	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1.6
no-transform	https://www.rfc-editor.org/rfc/rfc9111.html#name-no-transform
Section 7.7	https://www.rfc-editor.org/rfc/rfc9110#section-7.7
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1.6-1
5.2.1.7.	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1.7
only-if-cached	https://www.rfc-editor.org/rfc/rfc9111.html#name-only-if-cached
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.1.7-1
5.2.2.	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2
Response Directives	https://www.rfc-editor.org/rfc/rfc9111.html#name-response-directives
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2-1
5.2.2.1.	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.1
max-age	https://www.rfc-editor.org/rfc/rfc9111.html#name-max-age-2
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.1-1
delta-seconds	https://www.rfc-editor.org/rfc/rfc9111.html#delta-seconds
Section 1.2.2	https://www.rfc-editor.org/rfc/rfc9111.html#delta-seconds
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.1-2.1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.1-3
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.1-4
5.2.2.2.	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.2
must-revalidate	https://www.rfc-editor.org/rfc/rfc9111.html#name-must-revalidate
Section 4.3	https://www.rfc-editor.org/rfc/rfc9111.html#validation.model
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.2-1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.2-2
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.2-3
Section 11.6.2	https://www.rfc-editor.org/rfc/rfc9110#section-11.6.2
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
Section 3.5	https://www.rfc-editor.org/rfc/rfc9111.html#caching.authenticated.responses
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.2-4
5.2.2.3.	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.3
must-understand	https://www.rfc-editor.org/rfc/rfc9111.html#name-must-understand
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.3-1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.3-2
5.2.2.4.	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.4
no-cache	https://www.rfc-editor.org/rfc/rfc9111.html#name-no-cache-2
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.4-1
field-name	https://www.rfc-editor.org/rfc/rfc9111.html#imported.rules
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.4-2.1
Section 4.3	https://www.rfc-editor.org/rfc/rfc9111.html#validation.model
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.4-3
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.4-4
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.4-5
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.4-6
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.4-7
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.4-8.1
5.2.2.5.	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.5
no-store	https://www.rfc-editor.org/rfc/rfc9111.html#name-no-store-2
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.5-1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.5-2
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.5-3
Section 5.2.2.3	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.must-understand
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.5-4
5.2.2.6.	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.6
no-transform	https://www.rfc-editor.org/rfc/rfc9111.html#name-no-transform-2
Section 7.7	https://www.rfc-editor.org/rfc/rfc9110#section-7.7
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.6-1
5.2.2.7.	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.7
private	https://www.rfc-editor.org/rfc/rfc9111.html#name-private
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.7-1
field-name	https://www.rfc-editor.org/rfc/rfc9111.html#imported.rules
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.7-2.1
Section 3	https://www.rfc-editor.org/rfc/rfc9111.html#response.cacheability
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.7-3
Section 3	https://www.rfc-editor.org/rfc/rfc9111.html#response.cacheability
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.7-4
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.7-5
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.7-6
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.7-7.1
5.2.2.8.	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.8
proxy-revalidate	https://www.rfc-editor.org/rfc/rfc9111.html#name-proxy-revalidate
Section 4.3	https://www.rfc-editor.org/rfc/rfc9111.html#validation.model
Section 5.2.2.2	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.must-revalidate
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.8-1
Section 5.2.2.9	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.public
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.8-2
5.2.2.9.	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.9
public	https://www.rfc-editor.org/rfc/rfc9111.html#name-public
Section 3	https://www.rfc-editor.org/rfc/rfc9111.html#response.cacheability
Section 3.5	https://www.rfc-editor.org/rfc/rfc9111.html#caching.authenticated.responses
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.9-1
Section 3	https://www.rfc-editor.org/rfc/rfc9111.html#response.cacheability
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.9-2
Section 4.2.2	https://www.rfc-editor.org/rfc/rfc9111.html#heuristic.freshness
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.9-3
5.2.2.10.	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.10
s-maxage	https://www.rfc-editor.org/rfc/rfc9111.html#name-s-maxage
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.10-1
delta-seconds	https://www.rfc-editor.org/rfc/rfc9111.html#delta-seconds
Section 1.2.2	https://www.rfc-editor.org/rfc/rfc9111.html#delta-seconds
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.10-2.1
Expires	https://www.rfc-editor.org/rfc/rfc9111.html#field.expires
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.10-3
Section 5.2.2.8	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.proxy-revalidate
Section 4.3	https://www.rfc-editor.org/rfc/rfc9111.html#validation.model
Section 3.5	https://www.rfc-editor.org/rfc/rfc9111.html#caching.authenticated.responses
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.10-4
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.2.10-5
5.2.3.	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.3
Extension Directives	https://www.rfc-editor.org/rfc/rfc9111.html#name-extension-directives
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.3-1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.3-2
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.3-3
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.3-4
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.3-5
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.3-6
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.3-7
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.3-8.1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.3-8.2
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.3-8.3
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.3-8.4
5.2.4.	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.4
Cache Directive Registry	https://www.rfc-editor.org/rfc/rfc9111.html#name-cache-directive-registry
https://www.iana.org/assignments/http-cache-directives	https://www.iana.org/assignments/http-cache-directives
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.4-1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.4-2
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.4-3.1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.4-3.2
RFC8126	https://www.rfc-editor.org/rfc/rfc9111.html#RFC8126
Section 4.8	https://www.rfc-editor.org/rfc/rfc8126#section-4.8
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.2.4-4
5.3.	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.3
Expires	https://www.rfc-editor.org/rfc/rfc9111.html#name-expires
Section 4.2	https://www.rfc-editor.org/rfc/rfc9111.html#expiration.model
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.3-1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.3-2
Section 5.6.7	https://www.rfc-editor.org/rfc/rfc9110#section-5.6.7
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
Section 4.2	https://www.rfc-editor.org/rfc/rfc9111.html#expiration.model
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.3-3
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.3-4
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.3-5
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.3-6
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.3-7
Cache-Control	https://www.rfc-editor.org/rfc/rfc9111.html#field.cache-control
Section 5.2.2.1	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.max-age
Section 5.2.2.10	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.s-maxage
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.3-8
Section 5.6.7	https://www.rfc-editor.org/rfc/rfc9110#section-5.6.7
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.3-9
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.3-10
5.4.	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.4
Pragma	https://www.rfc-editor.org/rfc/rfc9111.html#name-pragma
Cache-Control	https://www.rfc-editor.org/rfc/rfc9111.html#field.cache-control
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.4-1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.4-2
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.4-3.1
5.5.	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.5
Warning	https://www.rfc-editor.org/rfc/rfc9111.html#name-warning
Age	https://www.rfc-editor.org/rfc/rfc9111.html#field.age
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-5.5-1
6.	https://www.rfc-editor.org/rfc/rfc9111.html#section-6
Relationship to Applications and Other Caches	https://www.rfc-editor.org/rfc/rfc9111.html#name-relationship-to-application
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-6-1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-6-2
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-6-3
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-6-4
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-6-5
7.	https://www.rfc-editor.org/rfc/rfc9111.html#section-7
Security Considerations	https://www.rfc-editor.org/rfc/rfc9111.html#name-security-considerations
Section 11	https://www.rfc-editor.org/rfc/rfc9112#section-11
HTTP/1.1	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP11
Section 17	https://www.rfc-editor.org/rfc/rfc9110#section-17
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-7-1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-7-2
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-7-3
7.1.	https://www.rfc-editor.org/rfc/rfc9111.html#section-7.1
Cache Poisoning	https://www.rfc-editor.org/rfc/rfc9111.html#name-cache-poisoning
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-7.1-1
Section 6.3	https://www.rfc-editor.org/rfc/rfc9112#section-6.3
HTTP/1.1	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP11
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-7.1-2
7.2.	https://www.rfc-editor.org/rfc/rfc9111.html#section-7.2
Timing Attacks	https://www.rfc-editor.org/rfc/rfc9111.html#name-timing-attacks
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-7.2-1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-7.2-2
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-7.2-3
7.3.	https://www.rfc-editor.org/rfc/rfc9111.html#section-7.3
Caching of Sensitive Information	https://www.rfc-editor.org/rfc/rfc9111.html#name-caching-of-sensitive-inform
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-7.3-1
COOKIE	https://www.rfc-editor.org/rfc/rfc9111.html#COOKIE
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-7.3-2
8.	https://www.rfc-editor.org/rfc/rfc9111.html#section-8
IANA Considerations	https://www.rfc-editor.org/rfc/rfc9111.html#name-iana-considerations
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-8-1
8.1.	https://www.rfc-editor.org/rfc/rfc9111.html#section-8.1
Field Name Registration	https://www.rfc-editor.org/rfc/rfc9111.html#name-field-name-registration
https://www.iana.org/assignments/http-fields	https://www.iana.org/assignments/http-fields
Section 18.4	https://www.rfc-editor.org/rfc/rfc9110#section-18.4
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-8.1-1
Table 1	https://www.rfc-editor.org/rfc/rfc9111.html#table-1
5.1	https://www.rfc-editor.org/rfc/rfc9111.html#field.age
5.2	https://www.rfc-editor.org/rfc/rfc9111.html#field.cache-control
5.3	https://www.rfc-editor.org/rfc/rfc9111.html#field.expires
5.4	https://www.rfc-editor.org/rfc/rfc9111.html#field.pragma
5.5	https://www.rfc-editor.org/rfc/rfc9111.html#field.warning
8.2.	https://www.rfc-editor.org/rfc/rfc9111.html#section-8.2
Cache Directive Registration	https://www.rfc-editor.org/rfc/rfc9111.html#name-cache-directive-registratio
https://www.iana.org/assignments/http-cache-directives	https://www.iana.org/assignments/http-cache-directives
Section 5.2.4	https://www.rfc-editor.org/rfc/rfc9111.html#cache.directive.registry
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-8.2-1
Table 2	https://www.rfc-editor.org/rfc/rfc9111.html#table-2
5.2.1.1	https://www.rfc-editor.org/rfc/rfc9111.html#cache-request-directive.max-age
5.2.2.1	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.max-age
5.2.1.2	https://www.rfc-editor.org/rfc/rfc9111.html#cache-request-directive.max-stale
5.2.1.3	https://www.rfc-editor.org/rfc/rfc9111.html#cache-request-directive.min-fresh
5.2.2.2	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.must-revalidate
5.2.2.3	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.must-understand
5.2.1.4	https://www.rfc-editor.org/rfc/rfc9111.html#cache-request-directive.no-cache
5.2.2.4	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.no-cache
5.2.1.5	https://www.rfc-editor.org/rfc/rfc9111.html#cache-request-directive.no-store
5.2.2.5	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.no-store
5.2.1.6	https://www.rfc-editor.org/rfc/rfc9111.html#cache-request-directive.no-transform
5.2.2.6	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.no-transform
5.2.1.7	https://www.rfc-editor.org/rfc/rfc9111.html#cache-request-directive.only-if-cached
5.2.2.7	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.private
5.2.2.8	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.proxy-revalidate
5.2.2.9	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.public
5.2.2.10	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.s-maxage
8.3.	https://www.rfc-editor.org/rfc/rfc9111.html#section-8.3
Warn Code Registry	https://www.rfc-editor.org/rfc/rfc9111.html#name-warn-code-registry
https://www.iana.org/assignments/http-warn-codes	https://www.iana.org/assignments/http-warn-codes
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-8.3-1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#section-8.3-2.1
9.	https://www.rfc-editor.org/rfc/rfc9111.html#section-9
References	https://www.rfc-editor.org/rfc/rfc9111.html#name-references
9.1.	https://www.rfc-editor.org/rfc/rfc9111.html#section-9.1
Normative References	https://www.rfc-editor.org/rfc/rfc9111.html#name-normative-references
https://www.rfc-editor.org/info/rfc9110	https://www.rfc-editor.org/info/rfc9110
https://www.rfc-editor.org/info/rfc2119	https://www.rfc-editor.org/info/rfc2119
https://www.rfc-editor.org/info/rfc5234	https://www.rfc-editor.org/info/rfc5234
https://www.rfc-editor.org/info/rfc7405	https://www.rfc-editor.org/info/rfc7405
https://www.rfc-editor.org/info/rfc8174	https://www.rfc-editor.org/info/rfc8174
9.2.	https://www.rfc-editor.org/rfc/rfc9111.html#section-9.2
Informative References	https://www.rfc-editor.org/rfc/rfc9111.html#name-informative-references
https://www.rfc-editor.org/info/rfc6265	https://www.rfc-editor.org/info/rfc6265
https://www.rfc-editor.org/info/rfc9112	https://www.rfc-editor.org/info/rfc9112
https://www.rfc-editor.org/info/rfc2616	https://www.rfc-editor.org/info/rfc2616
https://www.rfc-editor.org/info/rfc5861	https://www.rfc-editor.org/info/rfc5861
https://www.rfc-editor.org/info/rfc7234	https://www.rfc-editor.org/info/rfc7234
https://www.rfc-editor.org/info/rfc8126	https://www.rfc-editor.org/info/rfc8126
Appendix A.	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-A
Collected ABNF	https://www.rfc-editor.org/rfc/rfc9111.html#name-collected-abnf
Section 5.6.1	https://www.rfc-editor.org/rfc/rfc9110#section-5.6.1
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-A-1
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-A-2
Appendix B.	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-B
Changes from RFC 7234	https://www.rfc-editor.org/rfc/rfc9111.html#name-changes-from-rfc-7234
Section 4.2.1	https://www.rfc-editor.org/rfc/rfc9111.html#calculating.freshness.lifetime
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-B-1
Section 4.4	https://www.rfc-editor.org/rfc/rfc9111.html#invalidation
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-B-2
Section 4.4	https://www.rfc-editor.org/rfc/rfc9111.html#invalidation
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-B-3
Section 5.1	https://www.rfc-editor.org/rfc/rfc9111.html#field.age
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-B-4
Section 5.2	https://www.rfc-editor.org/rfc/rfc9111.html#field.cache-control
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-B-5
Section 5.2.2	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-B-6
Section 5.2.2.3	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.must-understand
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-B-7
Section 5.5	https://www.rfc-editor.org/rfc/rfc9111.html#field.warning
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-B-8
Acknowledgements	https://www.rfc-editor.org/rfc/rfc9111.html#name-acknowledgements
HTTP	https://www.rfc-editor.org/rfc/rfc9111.html#HTTP
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-C-1
Index	https://www.rfc-editor.org/rfc/rfc9111.html#name-index
A	https://www.rfc-editor.org/rfc/rfc9111.html#rfc.index.u65
C	https://www.rfc-editor.org/rfc/rfc9111.html#rfc.index.u67
E	https://www.rfc-editor.org/rfc/rfc9111.html#rfc.index.u69
F	https://www.rfc-editor.org/rfc/rfc9111.html#rfc.index.u70
G	https://www.rfc-editor.org/rfc/rfc9111.html#rfc.index.u71
H	https://www.rfc-editor.org/rfc/rfc9111.html#rfc.index.u72
M	https://www.rfc-editor.org/rfc/rfc9111.html#rfc.index.u77
N	https://www.rfc-editor.org/rfc/rfc9111.html#rfc.index.u78
O	https://www.rfc-editor.org/rfc/rfc9111.html#rfc.index.u79
P	https://www.rfc-editor.org/rfc/rfc9111.html#rfc.index.u80
S	https://www.rfc-editor.org/rfc/rfc9111.html#rfc.index.u83
V	https://www.rfc-editor.org/rfc/rfc9111.html#rfc.index.u86
W	https://www.rfc-editor.org/rfc/rfc9111.html#rfc.index.u87
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-1
A	https://www.rfc-editor.org/rfc/rfc9111.html#rfc.index.u65
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.1.1
Section 4.2	https://www.rfc-editor.org/rfc/rfc9111.html#expiration.model
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.1.2.1.1.2.1
Section 5.1	https://www.rfc-editor.org/rfc/rfc9111.html#field.age
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.1.2.1.1.4.1
C	https://www.rfc-editor.org/rfc/rfc9111.html#rfc.index.u67
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.2.1
Section 1	https://www.rfc-editor.org/rfc/rfc9111.html#caching
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.2.2.1.1.2.1
Section 2	https://www.rfc-editor.org/rfc/rfc9111.html#caching.overview
Section 2	https://www.rfc-editor.org/rfc/rfc9111.html#caching.overview
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.2.2.1.1.4.1
Section 5.2	https://www.rfc-editor.org/rfc/rfc9111.html#field.cache-control
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.2.2.1.1.6.1
Section 4	https://www.rfc-editor.org/rfc/rfc9111.html#constructing.responses.from.caches
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.2.2.1.1.8.1
E	https://www.rfc-editor.org/rfc/rfc9111.html#rfc.index.u69
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.3.1
Section 5.3	https://www.rfc-editor.org/rfc/rfc9111.html#field.expires
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.3.2.1.1.2.1
Section 4.2	https://www.rfc-editor.org/rfc/rfc9111.html#expiration.model
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.3.2.1.1.4.1
F	https://www.rfc-editor.org/rfc/rfc9111.html#rfc.index.u70
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.4.1
Section 5.1	https://www.rfc-editor.org/rfc/rfc9111.html#field.age
Section 5.1	https://www.rfc-editor.org/rfc/rfc9111.html#field.age
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.4.2.1.1.4.1.2.1
Section 5.2	https://www.rfc-editor.org/rfc/rfc9111.html#field.cache-control
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.4.2.1.1.4.1.4.1
Section 5.3	https://www.rfc-editor.org/rfc/rfc9111.html#field.expires
Section 5.3	https://www.rfc-editor.org/rfc/rfc9111.html#field.expires
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.4.2.1.1.4.1.6.1
Section 5.4	https://www.rfc-editor.org/rfc/rfc9111.html#field.pragma
Section 5.4	https://www.rfc-editor.org/rfc/rfc9111.html#field.pragma
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.4.2.1.1.4.1.8.1
Section 5.5	https://www.rfc-editor.org/rfc/rfc9111.html#field.warning
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.4.2.1.1.4.1.10.1
Section 4.2	https://www.rfc-editor.org/rfc/rfc9111.html#expiration.model
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.4.2.1.1.6.1
Section 4.2	https://www.rfc-editor.org/rfc/rfc9111.html#expiration.model
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.4.2.1.1.8.1
G	https://www.rfc-editor.org/rfc/rfc9111.html#rfc.index.u71
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.5.1
Section 5.1	https://www.rfc-editor.org/rfc/rfc9111.html#field.age
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.5.2.1.1.4.1.2.1
Section 5.2	https://www.rfc-editor.org/rfc/rfc9111.html#field.cache-control
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.5.2.1.1.4.1.4.1
Section 1.2	https://www.rfc-editor.org/rfc/rfc9111.html#notation
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.5.2.1.1.4.1.6.1
Section 5.3	https://www.rfc-editor.org/rfc/rfc9111.html#field.expires
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.5.2.1.1.4.1.8.1
Section 5.2	https://www.rfc-editor.org/rfc/rfc9111.html#field.cache-control
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.5.2.1.1.4.1.10.1
Section 1.2.2	https://www.rfc-editor.org/rfc/rfc9111.html#delta-seconds
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.5.2.1.1.4.1.12.1
H	https://www.rfc-editor.org/rfc/rfc9111.html#rfc.index.u72
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.6.1
Section 5.1	https://www.rfc-editor.org/rfc/rfc9111.html#field.age
Section 5.1	https://www.rfc-editor.org/rfc/rfc9111.html#field.age
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.6.2.1.1.4.1.2.1
Section 5.2	https://www.rfc-editor.org/rfc/rfc9111.html#field.cache-control
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.6.2.1.1.4.1.4.1
Section 5.3	https://www.rfc-editor.org/rfc/rfc9111.html#field.expires
Section 5.3	https://www.rfc-editor.org/rfc/rfc9111.html#field.expires
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.6.2.1.1.4.1.6.1
Section 5.4	https://www.rfc-editor.org/rfc/rfc9111.html#field.pragma
Section 5.4	https://www.rfc-editor.org/rfc/rfc9111.html#field.pragma
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.6.2.1.1.4.1.8.1
Section 5.5	https://www.rfc-editor.org/rfc/rfc9111.html#field.warning
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.6.2.1.1.4.1.10.1
Section 4.2	https://www.rfc-editor.org/rfc/rfc9111.html#expiration.model
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.6.2.1.1.6.1
Section 4.2.2	https://www.rfc-editor.org/rfc/rfc9111.html#heuristic.freshness
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.6.2.1.1.8.1
M	https://www.rfc-editor.org/rfc/rfc9111.html#rfc.index.u77
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.7.1
Section 5.2.1.1	https://www.rfc-editor.org/rfc/rfc9111.html#cache-request-directive.max-age
Section 5.2.2.1	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.max-age
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.7.2.1.1.2.1
Section 5.2.1.2	https://www.rfc-editor.org/rfc/rfc9111.html#cache-request-directive.max-stale
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.7.2.1.1.4.1
Section 5.2.1.3	https://www.rfc-editor.org/rfc/rfc9111.html#cache-request-directive.min-fresh
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.7.2.1.1.6.1
Section 5.2.2.2	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.must-revalidate
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.7.2.1.1.8.1
Section 5.2.2.3	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.must-understand
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.7.2.1.1.10.1
N	https://www.rfc-editor.org/rfc/rfc9111.html#rfc.index.u78
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.8.1
Section 5.2.1.4	https://www.rfc-editor.org/rfc/rfc9111.html#cache-request-directive.no-cache
Section 5.2.2.4	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.no-cache
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.8.2.1.1.2.1
Section 5.2.1.5	https://www.rfc-editor.org/rfc/rfc9111.html#cache-request-directive.no-store
Section 5.2.2.5	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.no-store
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.8.2.1.1.4.1
Section 5.2.1.6	https://www.rfc-editor.org/rfc/rfc9111.html#cache-request-directive.no-transform
Section 5.2.2.6	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.no-transform
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.8.2.1.1.6.1
O	https://www.rfc-editor.org/rfc/rfc9111.html#rfc.index.u79
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.9.1
Section 5.2.1.7	https://www.rfc-editor.org/rfc/rfc9111.html#cache-request-directive.only-if-cached
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.9.2.1.1.2.1
P	https://www.rfc-editor.org/rfc/rfc9111.html#rfc.index.u80
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.10.1
Section 5.4	https://www.rfc-editor.org/rfc/rfc9111.html#field.pragma
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.10.2.1.1.2.1
Section 5.2.2.7	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.private
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.10.2.1.1.4.1
Section 1	https://www.rfc-editor.org/rfc/rfc9111.html#caching
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.10.2.1.1.6.1
Section 5.2.2.8	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.proxy-revalidate
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.10.2.1.1.8.1
Section 5.2.2.9	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.public
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.10.2.1.1.10.1
S	https://www.rfc-editor.org/rfc/rfc9111.html#rfc.index.u83
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.11.1
Section 5.2.2.10	https://www.rfc-editor.org/rfc/rfc9111.html#cache-response-directive.s-maxage
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.11.2.1.1.2.1
Section 1	https://www.rfc-editor.org/rfc/rfc9111.html#caching
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.11.2.1.1.4.1
Section 4.2	https://www.rfc-editor.org/rfc/rfc9111.html#expiration.model
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.11.2.1.1.6.1
V	https://www.rfc-editor.org/rfc/rfc9111.html#rfc.index.u86
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.12.1
Section 4.3.1	https://www.rfc-editor.org/rfc/rfc9111.html#validation.sent
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.12.2.1.1.2.1
W	https://www.rfc-editor.org/rfc/rfc9111.html#rfc.index.u87
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.13.1
Section 5.5	https://www.rfc-editor.org/rfc/rfc9111.html#field.warning
¶	https://www.rfc-editor.org/rfc/rfc9111.html#appendix-D-2.13.2.1.1.2.1
Authors' Addresses	https://www.rfc-editor.org/rfc/rfc9111.html#name-authors-addresses
https://roy.gbiv.com/	https://roy.gbiv.com/
https://www.mnot.net/	https://www.mnot.net/
https://greenbytes.de/tech/webdav/	https://greenbytes.de/tech/webdav/

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