XML
HTML
Plain text
Registry included below
Specification Required
Mark Nottingham
New link relations, along with changes to existing relations, can be requested
using the [registry interface] or the mailing list defined in [RFC8615].
| URI Suffix | Change Controller | Reference | Status | Related Information | Date Registered | Date Modified |
|---|---|---|---|---|---|---|
| acme-challenge | IETF | [RFC8555, Section 8.3] | permanent | 2016-08-18 | ||
| amphtml | AMP Project (OpenJS Foundation) | [https://developers.google.com/amp/cache/update-cache] | provisional | 2020-07-06 | ||
| ashrae | [ASHRAE] | [http://www.bacnet.org/Addenda/Add-135-2012am-ppr3-draft-17_chair_approved.pdf] | permanent | 2016-01-22 | ||
| assetlinks.json | [Google_Inc.] | [https://github.com/google/digitalassetlinks/blob/master/well-known/specification.md] | permanent | [https://github.com/google/digitalassetlinks/blob/master/well-known/details.md] | 2015-09-28 | |
| brski | IETF | [RFC8995] | permanent | 2020-10-09 | ||
| caldav | IETF | [RFC6764] | permanent | see also [RFC4791] | ||
| carddav | IETF | [RFC6764] | permanent | see also [RFC6352] | ||
| cmp (TEMPORARY - registered 2021-05-20, expires 2022-05-20) | IETF | [draft-ietf-lamps-cmp-updates-10] | provisional | 2021-05-20 | ||
| coap | IETF | [RFC8323] | permanent | 2017-12-22 | ||
| core | IETF | [RFC6690] | permanent | |||
| csvm | W3C | [https://www.w3.org/TR/tabular-data-model/#default-locations-and-site-wide-location-configuration] | permanent | 2015-09-28 | ||
| dnt | [W3C_Tracking_Protection_WG] | [http://www.w3.org/TR/tracking-dnt/#status-resource] | permanent | Includes all resources identified with the path prefix "/.well-known/dnt/" | 2015-08-19 | |
| dnt-policy.txt | Electronic Frontier Foundation | [https://www.eff.org/dnt-policy] | permanent | 2015-08-19 | ||
| dots | IETF | [RFC8782] | permanent | 2020-01-16 | ||
| ecips | [Wei_Tang] | [https://ecips.that.world/24-ECIPURI] | provisional | 2019-04-10 | ||
| enterprise-transport-security | [ETSI_TC_CYBER] | [ETSI TS 103 523-3 clause 4.3.8.3] | permanent | 2019-05-14 | ||
| est | IETF | [RFC7030][RFC-ietf-ace-coap-est-18] | permanent | 2013-08-16 | 2020-04-29 | |
| genid | W3C | [RDF 1.1 Concepts and Abstract Syntax] | permanent | 2012-11-15 | ||
| gs1resolver | [GS1] | [GS1 Digital Link, Section 7.11] | permanent | 2020-05-18 | ||
| hoba | IETF | [RFC7486, Section 6] | permanent | 2015-01-20 | ||
| host-meta | IETF | [RFC6415] | permanent | The "host-meta" documents obtained from the same host using the HTTP and HTTPS protocols (using default ports) MUST be identical. | ||
| host-meta.json | IETF | [RFC6415] | permanent | The "host-meta.json" documents obtained from the same host using the HTTP and HTTPS protocols (using default ports) MUST be identical. | ||
| hosting-provider | [Automattic_Inc.] | [https://github.com/Automattic/hosting-provider] | provisional | 2020-07-21 | ||
| http-opportunistic | IETF | [RFC8164, Section 2.3] | permanent | 2017-03-20 | ||
| idp-proxy | IETF | [RFC8827] | permanent | 2019-07-25 | ||
| jmap | IETF | [RFC8620, Section 2.2] | permanent | 2019-03-28 | ||
| keybase.txt | [The_Keybase_Project] | [https://keybase.io/__/keybase_well_known] | permanent | Related information: Documentation for the Keybase [command line] and [API]. | 2014-04-08 | |
| looking-glass | [M._Stubbig] | [RFC8522, Section 2] | permanent | 2018-12-07 | ||
| matrix | [The_Matrix.org_Foundation_C.I.C.] | [https://matrix.org/docs/spec/client_server/latest.html#well-known-uri][https://matrix.org/docs/spec/server_server/latest.html#get-well-known-matrix-server] | permanent | 2019-04-16 | ||
| mta-sts.txt | IETF | [RFC8461] | permanent | 2018-06-21 | ||
| mud (deprecated) | permanent | 2016-11-23 | ||||
| nfv-oauth-server-configuration | [ETSI] | [ETSI GS NFV-SEC 022 V2.7.1] | permanent | 2019-06-26 | 2020-01-22 | |
| ni | IETF | [RFC6920] | permanent | |||
| oauth-authorization-server | IESG | [RFC8414, Section 3] | permanent | 2018-03-27 | ||
| openid-configuration | [OpenID_Foundation_Artifact_Binding_Working_Group] | [http://openid.net/specs/openid-connect-discovery-1_0.html] | permanent | 2013-08-27 | ||
| openorg | [cjg_at_ecs.soton.ac.uk] | [http://opd.data.ac.uk/] | permanent | 2015-05-29 | ||
| oslc | [OASIS] | [https://docs.oasis-open-projects.org/oslc-op/core/v3.0/ps01/oslc-core.html] | permanent | 2020-12-29 | ||
| pki-validation | [CA_Browser_Forum] | [Section 3.2.2.4.6 of version 1.3.8 of the CA/Browser Forum’s Baseline Requirements Certificate Policy for the Issuance and Management of Publicly-Trusted Certificates (“Baseline Requirements”)] | permanent | See also [https://cabforum.org/baseline-requirements-documents/] | 2017-02-06 | |
| posh | IETF | [RFC7711] | permanent | The suffix "posh" is expected to be followed by an additional path component consisting of a service name (say, "spice") and a file extension of ".json", resulting in a full path of, for instance, "/.well-known/posh/spice.json". Registration of service names shall be requested by developers of the relevant application protocols. | 2015-09-20 | |
| pvd | IETF | [RFC8801] | permanent | 2020-02-18 | ||
| rd | IETF | [RFC-ietf-core-resource-directory-28] | permanent | 2021-05-04 | ||
| reload-config | IETF | [RFC6940] | permanent | |||
| repute-template | IETF | [RFC7072] | permanent | 2013-09-30 | ||
| resourcesync | [NISO] | [http://www.openarchives.org/rs/resourcesync] | permanent | 2017-05-26 | ||
| sshfp | [Cynthia_Revström] | [https://sshfp.github.io/sshfp.html] | provisional | 2020-07-21 | ||
| stun-key | IETF | [RFC7635] | permanent | 2015-06-12 | ||
| thread | [Thread_Group_Inc.] | [https://www.threadgroup.org/support#specifications] | permanent | 2018-11-29 | ||
| time | [Poul-Henning_Kamp] | [http://phk.freebsd.dk/time/20151129/] | permanent | 2015-12-09 | ||
| timezone | IESG | [RFC7808] | permanent | 2015-08-03 | ||
| tor-relay | [Tor_Project_Development_Mailing_List] | [The "tor-relay" Well-Known Resource Identifier] | provisional | 2020-10-06 | ||
| uma2-configuration | [Kantara_UMA_WG] | [UMA 2.0 Grant for OAuth 2.0, Section 2] | permanent | 2017-06-20 | ||
| void | W3C | [http://www.w3.org/TR/void] | permanent | 2011-05-11 | ||
| webfinger | IETF | [RFC7033] | permanent | The query to the WebFinger resource will include one or more parameters in the query string; see Section 4.1 of [RFC7033]. Resources at this location are able to return a JSON Resource Descriptor (JRD) as described in Section 4.4 of [RFC7033]. | 2013-03-15 | 2013-09-06 |