A-IM |
|
permanent |
[RFC 3229: Delta encoding in HTTP] |
|
Accept |
|
permanent |
[RFC9110, Section 12.5.1: HTTP Semantics] |
|
Accept-Additions |
|
permanent |
[RFC 2324: Hyper Text Coffee Pot Control Protocol (HTCPCP/1.0)] |
|
Accept-CH |
|
permanent |
[RFC 8942, Section 3.1: HTTP Client Hints] |
|
Accept-Charset |
|
deprecated |
[RFC9110, Section 12.5.2: HTTP Semantics] |
|
Accept-Datetime |
|
permanent |
[RFC 7089: HTTP Framework for Time-Based Access to Resource States -- Memento] |
|
Accept-Encoding |
|
permanent |
[RFC9110, Section 12.5.3: HTTP Semantics] |
|
Accept-Features |
|
permanent |
[RFC 2295: Transparent Content Negotiation in HTTP] |
|
Accept-Language |
|
permanent |
[RFC9110, Section 12.5.4: HTTP Semantics] |
|
Accept-Patch |
|
permanent |
[RFC 5789: PATCH Method for HTTP] |
|
Accept-Post |
perm/accept-post
|
permanent |
[Linked Data Platform 1.0] |
|
Accept-Ranges |
|
permanent |
[RFC9110, Section 14.3: HTTP Semantics] |
|
Access-Control |
|
obsoleted |
[Access Control for Cross-site Requests] |
|
Access-Control-Allow-Credentials |
|
permanent |
[Fetch] |
|
Access-Control-Allow-Headers |
|
permanent |
[Fetch] |
|
Access-Control-Allow-Methods |
|
permanent |
[Fetch] |
|
Access-Control-Allow-Origin |
|
permanent |
[Fetch] |
|
Access-Control-Expose-Headers |
|
permanent |
[Fetch] |
|
Access-Control-Max-Age |
|
permanent |
[Fetch] |
|
Access-Control-Request-Headers |
|
permanent |
[Fetch] |
|
Access-Control-Request-Method |
|
permanent |
[Fetch] |
|
Age |
|
permanent |
[RFC9111, Section 5.1: HTTP Caching] |
|
Allow |
|
permanent |
[RFC9110, Section 10.2.1: HTTP Semantics] |
|
ALPN |
|
permanent |
[RFC 7639, Section 2: The ALPN HTTP Header Field] |
|
Alt-Svc |
|
permanent |
[RFC 7838: HTTP Alternative Services] |
|
Alt-Used |
|
permanent |
[RFC 7838: HTTP Alternative Services] |
|
Alternates |
|
permanent |
[RFC 2295: Transparent Content Negotiation in HTTP] |
|
AMP-Cache-Transform |
|
provisional |
[AMP-Cache-Transform HTTP request header] |
|
Apply-To-Redirect-Ref |
|
permanent |
[RFC 4437: Web Distributed Authoring and Versioning (WebDAV) Redirect Reference Resources] |
|
Authentication-Control |
|
permanent |
[RFC 8053, Section 4: HTTP Authentication Extensions for Interactive Clients] |
|
Authentication-Info |
|
permanent |
[RFC9110, Section 11.6.3: HTTP Semantics] |
|
Authorization |
|
permanent |
[RFC9110, Section 11.6.2: HTTP Semantics] |
|
C-Ext |
|
obsoleted |
[RFC 2774: An HTTP Extension Framework][status-change-http-experiments-to-historic] |
|
C-Man |
|
obsoleted |
[RFC 2774: An HTTP Extension Framework][status-change-http-experiments-to-historic] |
|
C-Opt |
|
obsoleted |
[RFC 2774: An HTTP Extension Framework][status-change-http-experiments-to-historic] |
|
C-PEP |
|
obsoleted |
[PEP - an Extension Mechanism for HTTP][status-change-http-experiments-to-historic] |
|
C-PEP-Info |
|
deprecated |
[PEP - an Extension Mechanism for HTTP][status-change-http-experiments-to-historic] |
|
Cache-Control |
|
permanent |
[RFC9111, Section 5.2] |
|
Cache-Status |
|
permanent |
[RFC9211: The Cache-Status HTTP Response Header Field] |
|
Cal-Managed-ID |
|
permanent |
[RFC 8607, Section 5.1: Calendaring Extensions to WebDAV (CalDAV): Managed Attachments] |
|
CalDAV-Timezones |
|
permanent |
[RFC 7809, Section 7.1: Calendaring Extensions to WebDAV (CalDAV): Time Zones by Reference] |
|
Capsule-Protocol |
|
permanent |
[RFC9297] |
|
CDN-Cache-Control |
|
permanent |
[RFC9213: Targeted HTTP Cache Control] |
Cache directives targeted at content delivery networks |
CDN-Loop |
|
permanent |
[RFC 8586: Loop Detection in Content Delivery Networks (CDNs)] |
|
Cert-Not-After |
|
permanent |
[RFC 8739, Section 3.3: Support for Short-Term, Automatically Renewed (STAR) Certificates in the Automated Certificate Management Environment (ACME)] |
|
Cert-Not-Before |
|
permanent |
[RFC 8739, Section 3.3: Support for Short-Term, Automatically Renewed (STAR) Certificates in the Automated Certificate Management Environment (ACME)] |
|
Clear-Site-Data |
|
permanent |
[Clear Site Data] |
|
Client-Cert |
|
permanent |
[RFC-ietf-httpbis-client-cert-field-06, Section 2] |
|
Client-Cert-Chain |
|
permanent |
[RFC-ietf-httpbis-client-cert-field-06, Section 2] |
|
Close |
|
permanent |
[RFC9112, Section 9.6: HTTP/1.1] |
(reserved) |
Configuration-Context |
|
provisional |
[OSLC Configuration Management Version 1.0. Part 3: Configuration Specification] |
|
Connection |
|
permanent |
[RFC9110, Section 7.6.1: HTTP Semantics] |
|
Content-Base |
|
obsoleted |
[RFC 2068: Hypertext Transfer Protocol -- HTTP/1.1][RFC 2616: Hypertext Transfer Protocol -- HTTP/1.1] |
|
Content-Disposition |
|
permanent |
[RFC 6266: Use of the Content-Disposition Header Field in the Hypertext Transfer Protocol (HTTP)] |
|
Content-Encoding |
|
permanent |
[RFC9110, Section 8.4: HTTP Semantics] |
|
Content-ID |
|
permanent |
[The HTTP Distribution and Replication Protocol] |
|
Content-Language |
|
permanent |
[RFC9110, Section 8.5: HTTP Semantics] |
|
Content-Length |
|
permanent |
[RFC9110, Section 8.6: HTTP Semantics] |
|
Content-Location |
|
permanent |
[RFC9110, Section 8.7: HTTP Semantics] |
|
Content-MD5 |
|
obsoleted |
[RFC 2616, Section 14.15: Hypertext Transfer Protocol -- HTTP/1.1][RFC 7231, Appendix B: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content] |
|
Content-Range |
|
permanent |
[RFC9110, Section 14.4: HTTP Semantics] |
|
Content-Script-Type |
|
obsoleted |
[HTML 4.01 Specification] |
|
Content-Security-Policy |
|
permanent |
[Content Security Policy Level 3] |
|
Content-Security-Policy-Report-Only |
|
permanent |
[Content Security Policy Level 3] |
|
Content-Style-Type |
|
obsoleted |
[HTML 4.01 Specification] |
|
Content-Type |
|
permanent |
[RFC9110, Section 8.3: HTTP Semantics] |
|
Content-Version |
|
obsoleted |
[RFC 2068: Hypertext Transfer Protocol -- HTTP/1.1] |
|
Cookie |
|
permanent |
[RFC 6265: HTTP State Management Mechanism] |
|
Cookie2 |
|
obsoleted |
[RFC 2965: HTTP State Management Mechanism][RFC 6265: HTTP State Management Mechanism] |
|
Cross-Origin-Embedder-Policy |
|
permanent |
[HTML] |
|
Cross-Origin-Embedder-Policy-Report-Only |
|
permanent |
[HTML] |
|
Cross-Origin-Opener-Policy |
|
permanent |
[HTML] |
|
Cross-Origin-Opener-Policy-Report-Only |
|
permanent |
[HTML] |
|
Cross-Origin-Resource-Policy |
|
permanent |
[Fetch] |
|
DASL |
|
permanent |
[RFC 5323: Web Distributed Authoring and Versioning (WebDAV) SEARCH] |
|
Date |
|
permanent |
[RFC9110, Section 6.6.1: HTTP Semantics] |
|
DAV |
|
permanent |
[RFC 4918: HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)] |
|
Default-Style |
|
obsoleted |
[HTML 4.01 Specification] |
|
Delta-Base |
|
permanent |
[RFC 3229: Delta encoding in HTTP] |
|
Depth |
|
permanent |
[RFC 4918: HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)] |
|
Derived-From |
|
obsoleted |
[RFC 2068: Hypertext Transfer Protocol -- HTTP/1.1] |
|
Destination |
|
permanent |
[RFC 4918: HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)] |
|
Differential-ID |
|
permanent |
[The HTTP Distribution and Replication Protocol] |
|
Digest |
|
permanent |
[RFC 3230: Instance Digests in HTTP] |
|
DPoP |
|
permanent |
[RFC-ietf-oauth-dpop-16: OAuth 2.0 Demonstrating Proof-of-Possession at the Application Layer (DPoP)] |
|
DPoP-Nonce |
|
permanent |
[RFC-ietf-oauth-dpop-16: OAuth 2.0 Demonstrating Proof-of-Possession at the Application Layer (DPoP)] |
|
Early-Data |
|
permanent |
[RFC 8470: Using Early Data in HTTP] |
|
EDIINT-Features |
|
provisional |
[RFC 6017: Electronic Data Interchange - Internet Integration (EDIINT) Features Header Field] |
|
ETag |
|
permanent |
[RFC9110, Section 8.8.3: HTTP Semantics] |
|
Expect |
|
permanent |
[RFC9110, Section 10.1.1: HTTP Semantics] |
|
Expect-CT |
|
permanent |
[RFC9163: Expect-CT Extension for HTTP] |
|
Expires |
|
permanent |
[RFC9111, Section 5.3: HTTP Caching] |
|
Ext |
|
obsoleted |
[RFC 2774: An HTTP Extension Framework][status-change-http-experiments-to-historic] |
|
Forwarded |
|
permanent |
[RFC 7239: Forwarded HTTP Extension] |
|
From |
|
permanent |
[RFC9110, Section 10.1.2: HTTP Semantics] |
|
GetProfile |
|
obsoleted |
[Implementation of OPS Over HTTP] |
|
Hobareg |
|
permanent |
[RFC 7486, Section 6.1.1: HTTP Origin-Bound Authentication (HOBA)] |
|
Host |
|
permanent |
[RFC9110, Section 7.2: HTTP Semantics] |
|
HTTP2-Settings |
|
obsoleted |
[RFC 7540, Section 3.2.1: Hypertext Transfer Protocol Version 2 (HTTP/2)] |
Obsolete; see Section 11.1 of [RFC9113] |
If |
|
permanent |
[RFC 4918: HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)] |
|
If-Match |
|
permanent |
[RFC9110, Section 13.1.1: HTTP Semantics] |
|
If-Modified-Since |
|
permanent |
[RFC9110, Section 13.1.3: HTTP Semantics] |
|
If-None-Match |
|
permanent |
[RFC9110, Section 13.1.2: HTTP Semantics] |
|
If-Range |
|
permanent |
[RFC9110, Section 13.1.5: HTTP Semantics] |
|
If-Schedule-Tag-Match |
|
permanent |
[ RFC 6338: Scheduling Extensions to CalDAV] |
|
If-Unmodified-Since |
|
permanent |
[RFC9110, Section 13.1.4: HTTP Semantics] |
|
IM |
|
permanent |
[RFC 3229: Delta encoding in HTTP] |
|
Include-Referred-Token-Binding-ID |
|
permanent |
[RFC 8473: Token Binding over HTTP] |
|
Isolation |
prov/isolation
|
provisional |
[OData Version 4.01 Part 1: Protocol][OASIS][Chet_Ensign] |
|
Keep-Alive |
|
permanent |
[RFC 2068: Hypertext Transfer Protocol -- HTTP/1.1] |
|
Label |
|
permanent |
[RFC 3253: Versioning Extensions to WebDAV: (Web Distributed Authoring and Versioning)] |
|
Last-Event-ID |
|
permanent |
[HTML] |
|
Last-Modified |
|
permanent |
[RFC9110, Section 8.8.2: HTTP Semantics] |
|
Link |
|
permanent |
[RFC 8288: Web Linking] |
|
Location |
|
permanent |
[RFC9110, Section 10.2.2: HTTP Semantics] |
|
Lock-Token |
|
permanent |
[RFC 4918: HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)] |
|
Man |
|
obsoleted |
[RFC 2774: An HTTP Extension Framework][status-change-http-experiments-to-historic] |
|
Max-Forwards |
|
permanent |
[RFC9110, Section 7.6.2: HTTP Semantics] |
|
Memento-Datetime |
|
permanent |
[RFC 7089: HTTP Framework for Time-Based Access to Resource States -- Memento] |
|
Meter |
|
permanent |
[RFC 2227: Simple Hit-Metering and Usage-Limiting for HTTP] |
|
Method-Check |
|
obsoleted |
[Access Control for Cross-site Requests] |
|
Method-Check-Expires |
|
obsoleted |
[Access Control for Cross-site Requests] |
|
MIME-Version |
|
permanent |
[RFC9112, Appendix B.1: HTTP/1.1] |
|
Negotiate |
|
permanent |
[RFC 2295: Transparent Content Negotiation in HTTP] |
|
OData-EntityId |
perm/odata-entityid
|
permanent |
[OData Version 4.01 Part 1: Protocol][OASIS][Chet_Ensign] |
|
OData-Isolation |
perm/odata-isolation
|
permanent |
[OData Version 4.01 Part 1: Protocol][OASIS][Chet_Ensign] |
|
OData-MaxVersion |
perm/odata-maxversion
|
permanent |
[OData Version 4.01 Part 1: Protocol][OASIS][Chet_Ensign] |
|
OData-Version |
perm/odata-version
|
permanent |
[OData Version 4.01 Part 1: Protocol][OASIS][Chet_Ensign] |
|
Opt |
|
obsoleted |
[RFC 2774: An HTTP Extension Framework][status-change-http-experiments-to-historic] |
|
Optional-WWW-Authenticate |
|
permanent |
[RFC 8053, Section 3: HTTP Authentication Extensions for Interactive Clients] |
|
Ordering-Type |
|
permanent |
[RFC 3648: Web Distributed Authoring and Versioning (WebDAV) Ordered Collections Protocol] |
|
Origin |
|
permanent |
[RFC 6454: The Web Origin Concept] |
|
Origin-Agent-Cluster |
|
permanent |
[HTML] |
|
OSCORE |
|
permanent |
[RFC 8613, Section 11.1: Object Security for Constrained RESTful Environments (OSCORE)] |
|
OSLC-Core-Version |
|
permanent |
[OASIS Project Specification 01][OASIS][Chet_Ensign] |
|
Overwrite |
|
permanent |
[RFC 4918: HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)] |
|
P3P |
|
obsoleted |
[The Platform for Privacy Preferences 1.0 (P3P1.0) Specification] |
|
PEP |
|
obsoleted |
[PEP - an Extension Mechanism for HTTP] |
|
Pep-Info |
|
obsoleted |
[PEP - an Extension Mechanism for HTTP] |
|
Permissions-Policy |
|
provisional |
[Permissions Policy] |
|
PICS-Label |
|
obsoleted |
[PICS Label Distribution Label Syntax and Communication Protocols] |
|
Ping-From |
|
permanent |
[HTML] |
|
Ping-To |
|
permanent |
[HTML] |
|
Position |
|
permanent |
[RFC 3648: Web Distributed Authoring and Versioning (WebDAV) Ordered Collections Protocol] |
|
Pragma |
|
deprecated |
[RFC9111, Section 5.4: HTTP Caching] |
|
Prefer |
|
permanent |
[RFC 7240: Prefer Header for HTTP] |
|
Preference-Applied |
|
permanent |
[RFC 7240: Prefer Header for HTTP] |
|
Priority |
|
permanent |
[RFC9218: Extensible Prioritization Scheme for HTTP] |
|
ProfileObject |
|
obsoleted |
[Implementation of OPS Over HTTP] |
|
Protocol |
|
obsoleted |
[PICS Label Distribution Label Syntax and Communication Protocols] |
|
Protocol-Info |
|
deprecated |
[White Paper: Joint Electronic Payment Initiative] |
|
Protocol-Query |
|
deprecated |
[White Paper: Joint Electronic Payment Initiative] |
|
Protocol-Request |
|
obsoleted |
[PICS Label Distribution Label Syntax and Communication Protocols] |
|
Proxy-Authenticate |
|
permanent |
[RFC9110, Section 11.7.1: HTTP Semantics] |
|
Proxy-Authentication-Info |
|
permanent |
[RFC9110, Section 11.7.3: HTTP Semantics] |
|
Proxy-Authorization |
|
permanent |
[RFC9110, Section 11.7.2: HTTP Semantics] |
|
Proxy-Features |
|
obsoleted |
[Notification for Proxy Caches] |
|
Proxy-Instruction |
|
obsoleted |
[Notification for Proxy Caches] |
|
Proxy-Status |
|
permanent |
[RFC9209: The Proxy-Status HTTP Response Header Field] |
|
Public |
|
obsoleted |
[RFC 2068: Hypertext Transfer Protocol -- HTTP/1.1] |
|
Public-Key-Pins |
|
permanent |
[RFC 7469: Public Key Pinning Extension for HTTP] |
|
Public-Key-Pins-Report-Only |
|
permanent |
[RFC 7469: Public Key Pinning Extension for HTTP] |
|
Range |
|
permanent |
[RFC9110, Section 14.2: HTTP Semantics] |
|
Redirect-Ref |
|
permanent |
[RFC 4437: Web Distributed Authoring and Versioning (WebDAV) Redirect Reference Resources] |
|
Referer |
|
permanent |
[RFC9110, Section 10.1.3: HTTP Semantics] |
|
Referer-Root |
|
obsoleted |
[Access Control for Cross-site Requests] |
|
Refresh |
|
permanent |
[HTML] |
|
Repeatability-Client-ID |
prov/repeatability-client-id
|
provisional |
[Repeatable Requests Version 1.0][OASIS][Chet_Ensign] |
|
Repeatability-First-Sent |
prov/repeatability-first-sent
|
provisional |
[Repeatable Requests Version 1.0][OASIS][Chet_Ensign] |
|
Repeatability-Request-ID |
prov/repeatability-request-id
|
provisional |
[Repeatable Requests Version 1.0][OASIS][Chet_Ensign] |
|
Repeatability-Result |
prov/repeatability-result
|
provisional |
[Repeatable Requests Version 1.0][OASIS][Chet_Ensign] |
|
Replay-Nonce |
|
permanent |
[RFC 8555, Section 6.5.1: Automatic Certificate Management Environment (ACME)] |
|
Reporting-Endpoints |
|
provisional |
[Reporting API] |
|
Retry-After |
|
permanent |
[RFC9110, Section 10.2.3: HTTP Semantics] |
|
Safe |
|
obsoleted |
[RFC 2310: The Safe Response Header Field][status-change-http-experiments-to-historic] |
|
Schedule-Reply |
|
permanent |
[RFC 6638: Scheduling Extensions to CalDAV] |
|
Schedule-Tag |
|
permanent |
[RFC 6338: Scheduling Extensions to CalDAV] |
|
Sec-GPC |
|
provisional |
[Global Privacy Control (GPC)] |
|
Sec-Purpose |
|
permanent |
[Fetch] |
Intended to replace the (not registered) Purpose and x-moz headers. |
Sec-Token-Binding |
|
permanent |
[RFC 8473: Token Binding over HTTP] |
|
Sec-WebSocket-Accept |
|
permanent |
[RFC 6455: The WebSocket Protocol] |
|
Sec-WebSocket-Extensions |
|
permanent |
[RFC 6455: The WebSocket Protocol] |
|
Sec-WebSocket-Key |
|
permanent |
[RFC 6455: The WebSocket Protocol] |
|
Sec-WebSocket-Protocol |
|
permanent |
[RFC 6455: The WebSocket Protocol] |
|
Sec-WebSocket-Version |
|
permanent |
[RFC 6455: The WebSocket Protocol] |
|
Security-Scheme |
|
obsoleted |
[RFC 2660: The Secure HyperText Transfer Protocol][status-change-http-experiments-to-historic] |
|
Server |
|
permanent |
[RFC9110, Section 10.2.4: HTTP Semantics] |
|
Server-Timing |
|
permanent |
[Server Timing] |
|
Set-Cookie |
|
permanent |
[RFC 6265: HTTP State Management Mechanism] |
|
Set-Cookie2 |
|
obsoleted |
[RFC 2965: HTTP State Management Mechanism][RFC 6265: HTTP State Management Mechanism] |
|
SetProfile |
|
obsoleted |
[Implementation of OPS Over HTTP] |
|
SLUG |
|
permanent |
[RFC 5023: The Atom Publishing Protocol] |
|
SoapAction |
|
permanent |
[Simple Object Access Protocol (SOAP) 1.1] |
|
Status-URI |
|
permanent |
[RFC 2518: HTTP Extensions for Distributed Authoring -- WEBDAV] |
|
Strict-Transport-Security |
|
permanent |
[RFC 6797: HTTP Strict Transport Security (HSTS)] |
|
Sunset |
|
permanent |
[RFC 8594: The Sunset HTTP Header Field] |
|
Surrogate-Capability |
|
permanent |
[Edge Architecture Specification] |
|
Surrogate-Control |
|
permanent |
[Edge Architecture Specification] |
|
TCN |
|
permanent |
[RFC 2295: Transparent Content Negotiation in HTTP] |
|
TE |
|
permanent |
[RFC9110, Section 10.1.4: HTTP Semantics] |
|
Timeout |
|
permanent |
[RFC 4918: HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)] |
|
Timing-Allow-Origin |
prov/timing-allow-origin
|
provisional |
[Resource Timing Level 1] |
|
Topic |
|
permanent |
[RFC 8030, Section 5.4: Generic Event Delivery Using HTTP Push] |
|
Traceparent |
|
permanent |
[Trace Context] |
|
Tracestate |
|
permanent |
[Trace Context] |
|
Trailer |
|
permanent |
[RFC9110, Section 6.6.2: HTTP Semantics] |
|
Transfer-Encoding |
|
permanent |
[RFC9112, Section 6.1: HTTP Semantics] |
|
TTL |
|
permanent |
[RFC 8030, Section 5.2: Generic Event Delivery Using HTTP Push] |
|
Upgrade |
|
permanent |
[RFC9110, Section 7.8: HTTP Semantics] |
|
Urgency |
|
permanent |
[RFC 8030, Section 5.3: Generic Event Delivery Using HTTP Push] |
|
URI |
|
obsoleted |
[RFC 2068: Hypertext Transfer Protocol -- HTTP/1.1] |
|
User-Agent |
|
permanent |
[RFC9110, Section 10.1.5: HTTP Semantics] |
|
Variant-Vary |
|
permanent |
[RFC 2295: Transparent Content Negotiation in HTTP] |
|
Vary |
|
permanent |
[RFC9110, Section 12.5.5: HTTP Semantics] |
|
Via |
|
permanent |
[RFC9110, Section 7.6.3: HTTP Semantics] |
|
Want-Digest |
|
permanent |
[RFC 3230: Instance Digests in HTTP] |
|
Warning |
|
obsoleted |
[RFC9111, Section 5.5: HTTP Caching] |
|
WWW-Authenticate |
|
permanent |
[RFC9110, Section 11.6.1: HTTP Semantics] |
|
X-Content-Type-Options |
|
permanent |
[Fetch] |
|
X-Frame-Options |
|
permanent |
[HTML] |
|
* |
|
permanent |
[RFC9110, Section 12.5.5: HTTP Semantics] |
(reserved) |