aaa Diameter Protocol Permanent 13862 6733 RFC 6733 aaas Diameter Protocol with Secure Transport Permanent 14526 6733 RFC 6733 about about Permanent 3786 6694 RFC 6694 acap application configuration access protocol Permanent 12705 2244 RFC 2244 acct acct Permanent 10229 7565 RFC 7565 acd acd Provisional 6840 ace ace Provisional 26 aceap aceap Provisional 1034 acedp acedp Provisional 1035 aceep aceep Provisional 1036 acelp acelp Provisional 1037 aceup aceup Provisional 1038 acr acr Provisional 10196 OMA-OMNA adiumxtra adiumxtra Provisional 6634 adt adt Provisional 5150 SAP SE aet aet Provisional 1020 afp afp Provisional 13404 afs Andrew File System global file names Provisional 10687 1738 RFC 1738 agtp agtp Provisional 1006 aim aim Provisional 10327 alter alter Provisional 1031 draft-morrison-alter-uri-scheme-03 amss amss Provisional 10831 android android Provisional 15061 https://developer.android.com/guide/topics/manifest/manifest-intro appdata appdata Provisional 7364 apt apt Provisional 7856 ar ar Provisional 5099 ari ari Provisional 3818 draft-ietf-dtn-ari-04 ark ark Provisional 3018 https://n2t.net/ark:/21206/10015 ars ars Provisional 1025 draft-juwan-ars-uri-00 arv arv Provisional 1032 at at (see [reviewer notes]) Provisional 6007 attachment attachment Provisional 8577 aw aw Provisional 16051 barion barion Provisional 10225 bb bb Historical 5188 IESG beshare beshare Provisional 4674 bitcoin bitcoin Provisional 9186 bitcoincash bitcoincash Provisional 7226 bl bluetooth (shortened) Provisional 10024 blob blob Provisional 11060 bluetooth bluetooth Provisional 12052 bolo bolo Provisional 8765 brid brid Provisional 8251 browserext browserext Provisional 4327 cabal cabal Provisional 11393 caip caip Provisional 1001 calculator calculator Provisional 3783 callto callto Provisional 8713 canactid canactid Provisional 1033 draft-schrock-canonical-action-identifier-05 cap Calendar Access Protocol Permanent 9204 4324 RFC 4324 cast cast Provisional 1220 https://developers.google.com/cast/docs/registration casts casts Provisional 12718 https://developers.google.com/cast/docs/registration chrome chrome Provisional 5728 chrome-extension chrome-extension Provisional 14667 cid content identifier Permanent 15202 2392 RFC 2392 cm cm Provisional 1021 coap coap Permanent [RFC 7252] 0 7252 RFC 7252 coap+tcp coap+tcp (see [reviewer notes]) Permanent [RFC 8323] 6 8323 RFC 8323 coap+ws coap+ws (see [reviewer notes]) Permanent [RFC 8323] 24 8323 RFC 8323 coaps coaps Permanent [RFC 7252] 1 7252 RFC 7252 coaps+tcp coaps+tcp (see [reviewer notes]) Permanent [RFC 8323] 7 8323 RFC 8323 coaps+ws coaps+ws (see [reviewer notes]) Permanent [RFC 8323] 25 8323 RFC 8323 com-eventbrite-attendee com-eventbrite-attendee Provisional 9278 content content Provisional 8387 content-type content-type Provisional 6030 crid TV-Anytime Content Reference Identifier Permanent 5990 4078 RFC 4078 cstr cstr Provisional 6730 cttps cttps Provisional 1007 cvs cvs Provisional 12242 dab dab Provisional 6774 dat dat Provisional 10583 data data Permanent 1946 2397 RFC 2397 dav dav Permanent 4373 4918 RFC 4918 dhttp dhttp (see [reviewer notes]) Provisional 4549 diaspora diaspora Provisional 4598 dict dictionary service protocol Permanent 3886 2229 RFC 2229 did did Provisional 5 dilithium3 dilithium3 Provisional 1005 dis dis Provisional 17134 dlna-playcontainer dlna-playcontainer Provisional 5557 DLNA dlna-playsingle dlna-playsingle Provisional 6144 DLNA dnp dnp Provisional 15819 dns Domain Name System Permanent 12932 4501 RFC 4501 dntp dntp Provisional 14347 doi doi Permanent 13014 donau donau Provisional 10150 draft-grothoff-donau-02 dpp dpp Provisional 2442 drm drm Provisional 9859 drop drop Historical 16138 IESG dtmi dtmi Provisional 17097 dtn DTNRG research and development Permanent 7456 9171 RFC 9171 dvb dvb Provisional 10380 draft-mcroberts-uri-dvb-09 dvx dvx Provisional 11645 dweb dweb Provisional 1328 ed2k ed2k Provisional 2790 eid eid Provisional 4929 elsi elsi Provisional 13680 embedded embedded Provisional 4193 ens ens Provisional 1982 esim esim Provisional 3032 ethereum ethereum Provisional 7913 example example Permanent 5296 7595 RFC 7595 ez ez Provisional 1010 facetime facetime Provisional 3795 fax fax Historical 4053 2806 RFC 2806; RFC 3966 feed feed Provisional 7520 feedready feedready Provisional 11824 fido fido Provisional 5717 file Host-specific file names Permanent 12068 8089 RFC 8089 filesystem filesystem Historical 3365 finger finger Provisional 17315 first-run-pen-experience first-run-pen-experience Provisional 16069 fish fish Provisional 12634 fm fm Provisional 2806 ftp File Transfer Protocol Permanent 14878 1738 RFC 1738 fuchsia-pkg fuchsia-pkg Provisional 12806 https://fuchsia.googlesource.com/fuchsia/ gcx gcx Provisional 1019 gdsi gdsi Provisional 1022 geo Geographic Locations Permanent 3342 5870 RFC 5870 gg gg Provisional 11055 git git Provisional 13068 gitoid gitoid Provisional 3775 gizmoproject gizmoproject Provisional 10744 go go Permanent 5705 3368 RFC 3368 gopher The Gopher Protocol Permanent 8601 4266 RFC 4266 graph graph Provisional 11583 grd grd Historical 9444 IESG gsos gsos Provisional 1028 https://www.iana.org/assignments/uri-schemes/prov/gsos.pdf gtalk gtalk Provisional 4709 h323 H.323 Permanent 10317 3508 RFC 3508 haie haie Provisional 1039 FUTURO ITALIA GARD ham ham Provisional 6503 7046 RFC 7046 hcap hcap Provisional 9875 hcp hcp Provisional 6024 hs20 hs20 Provisional 1273 http Hypertext Transfer Protocol Permanent [RFC 8615] 2 9110 RFC 9110, Section 4.2.1 https Hypertext Transfer Protocol Secure Permanent [RFC 8615] 3 9110 RFC 9110, Section 4.2.2 hxxp hxxp Provisional 16728 draft-salgado-hxxp-01 hxxps hxxps Provisional 4714 draft-salgado-hxxp-01 hydrazone hydrazone Provisional 6632 https://tech.hydrazone.pro/uri/specification/hydrazone.txt hyper hyper Provisional 12876 i0 i0 Provisional 10328 iax Inter-Asterisk eXchange Version 2 Permanent 7126 5456 RFC 5456 ibi ibi Provisional 1002 ibi- ibi- Provisional 1003 icap Internet Content Adaptation Protocol Permanent 12566 3507 RFC 3507 icon icon Provisional 14868 draft-lafayette-icon-uri-scheme-01 ilstring ilstring Provisional 12237 https://webstore.iec.ch/en/publication/77973 im Instant Messaging Permanent 6883 3860 RFC 3860 imap internet message access protocol Permanent 10119 5092 RFC 5092 info Information Assets with Identifiers in Public Namespaces. [RFC 4452 (Section 3)] defines an "info" registry of public namespaces, which is maintained by NISO and can be accessed from [http://info-uri.info/]. Permanent 13846 4452 RFC 4452 interaction interaction Provisional 1023 iotdisco iotdisco Provisional 17170 https://www.iana.org/assignments/uri-schemes/prov/iotdisco.pdf ipfs ipfs Provisional 15972 ipn ipn Permanent 8775 9758 RFC 9758 ipns ipns Provisional 16933 ipp Internet Printing Protocol Permanent 9318 3510 RFC 3510 ipps Internet Printing Protocol over HTTPS Permanent 4419 7472 RFC 7472 iqa iqa Provisional 28 draft-li-rttp-iqa-addressing-02; https://iqa.org/URI/ irc irc Provisional 5425 irc6 irc6 Provisional 1905 ircs ircs Provisional 8687 iris Internet Registry Information Service Permanent 13986 3981 RFC 3981 iris.beep iris.beep Permanent 15639 3983 RFC 3983 iris.lwz iris.lwz Permanent 4590 4993 RFC 4993 iris.xpc iris.xpc Permanent 12422 4992 RFC 4992 iris.xpcs iris.xpcs Permanent 16134 4992 RFC 4992 isostore isostore Provisional 7225 itms itms Provisional 14830 jabber jabber Permanent 6109 jar jar Provisional 1578 jms Java Message Service Provisional 3634 6167 RFC 6167 keyparc keyparc Provisional 9770 lastfm lastfm Provisional 11742 lbry lbry Provisional 14010 ldap Lightweight Directory Access Protocol Permanent 13442 4516 RFC 4516 ldaps ldaps Provisional 3906 leaptofrogans leaptofrogans Permanent 16281 8589 RFC 8589 lid lid Provisional 10247 IS4 linkid linkid Provisional 1819 locus locus Provisional 1029 draft-subthought-locus-uri-scheme-00 lorawan lorawan Provisional 11718 OMA-DMSE lpa lpa Provisional 6658 lvlt lvlt Provisional 5480 machineProvisioningProgressReporter Windows Autopilot Modern Device Management status updates Provisional 5477 magnet magnet Provisional 9805 mailserver Access to data available from mail servers Historical 10868 6196 RFC 6196 mailto Electronic mail address Permanent 12102 6068 RFC 6068 maps maps Provisional 14153 market market Provisional 14595 matrix matrix Provisional 9487 mdoc mdoc Provisional 1013 ISO IEC JTC1 SC17 mdoc-openid4vp mdoc-openid4vp Provisional 1012 ISO IEC JTC1 SC17 message message Provisional 14460 microsoft.windows.camera microsoft.windows.camera Provisional 11857 microsoft.windows.camera.multipicker microsoft.windows.camera.multipicker Provisional 7942 microsoft.windows.camera.picker microsoft.windows.camera.picker Provisional 5883 mid message identifier Permanent 3646 2392 RFC 2392 mms mms Provisional 12337 modem modem Historical 9154 2806 RFC 2806; RFC 3966 mongodb mongodb Provisional 13372 moz moz Provisional 6808 mqtt mqtt Provisional 10740 mqtts mqtts Provisional 14906 ms-access ms-access Provisional 6863 ms-appinstaller ms-appinstaller Provisional 5152 ms-browser-extension ms-browser-extension Provisional 14090 ms-calculator ms-calculator Provisional 3690 ms-clicktocommunicate ms-clicktocommunicate Provisional 1042 ms-drive-to ms-drive-to Provisional 4102 ms-enrollment ms-enrollment Provisional 14310 ms-excel ms-excel Provisional 5536 ms-eyecontrolspeech ms-eyecontrolspeech Provisional 17381 ms-gamebarservices ms-gamebarservices Provisional 12823 ms-gamingoverlay ms-gamingoverlay Provisional 1059 ms-getoffice ms-getoffice Provisional 14366 ms-help ms-help Provisional 7809 ms-infopath ms-infopath Provisional 8830 ms-inputapp ms-inputapp Provisional 6792 ms-launchremotedesktop ms-launchremotedesktop Provisional 12174 ms-lockscreencomponent-config ms-lockscreencomponent-config Provisional 12525 ms-media-stream-id ms-media-stream-id Provisional 6388 ms-meetnow ms-meetnow Provisional 15645 ms-mixedrealitycapture ms-mixedrealitycapture Provisional 6411 ms-mobileplans ms-mobileplans Provisional 11945 ms-newsandinterests ms-newsandinterests Provisional 2945 ms-officeapp ms-officeapp Provisional 14168 ms-people ms-people Provisional 1528 ms-personacard ms-personacard Provisional 1562 ms-powerpoint ms-powerpoint Provisional 16645 ms-project ms-project Provisional 11130 ms-publisher ms-publisher Provisional 16194 ms-recall ms-recall Provisional 10183 ms-remotedesktop ms-remotedesktop Provisional 5347 ms-remotedesktop-launch ms-remotedesktop-launch Provisional 8085 ms-restoretabcompanion ms-restoretabcompanion Provisional 17175 ms-screenclip ms-screenclip Provisional 10518 ms-screensketch ms-screensketch Provisional 9453 ms-search ms-search Provisional 14034 ms-search-repair ms-search-repair Provisional 15679 ms-secondary-screen-controller ms-secondary-screen-controller Provisional 13098 ms-secondary-screen-setup ms-secondary-screen-setup Provisional 15254 ms-settings ms-settings Provisional 9075 ms-settings-airplanemode ms-settings-airplanemode Provisional 5109 ms-settings-bluetooth ms-settings-bluetooth Provisional 14180 ms-settings-camera ms-settings-camera Provisional 15773 ms-settings-cellular ms-settings-cellular Provisional 15361 ms-settings-cloudstorage ms-settings-cloudstorage Provisional 10640 ms-settings-connectabledevices ms-settings-connectabledevices Provisional 11351 ms-settings-displays-topology ms-settings-displays-topology Provisional 12029 ms-settings-emailandaccounts ms-settings-emailandaccounts Provisional 11072 ms-settings-language ms-settings-language Provisional 9981 ms-settings-location ms-settings-location Provisional 10373 ms-settings-lock ms-settings-lock Provisional 11950 ms-settings-nfctransactions ms-settings-nfctransactions Provisional 10591 ms-settings-notifications ms-settings-notifications Provisional 7868 ms-settings-power ms-settings-power Provisional 13026 ms-settings-privacy ms-settings-privacy Provisional 9198 ms-settings-proximity ms-settings-proximity Provisional 3959 ms-settings-screenrotation ms-settings-screenrotation Provisional 6755 ms-settings-wifi ms-settings-wifi Provisional 15994 ms-settings-workplace ms-settings-workplace Provisional 14936 ms-spd ms-spd Provisional 6189 ms-stickers ms-stickers Provisional 10361 ms-sttoverlay ms-sttoverlay Provisional 5410 ms-transit-to ms-transit-to Provisional 7743 ms-useractivityset ms-useractivityset Provisional 9136 ms-uup ms-uup Provisional 1560 ms-virtualtouchpad ms-virtualtouchpad Provisional 15776 ms-visio ms-visio Provisional 15163 ms-walk-to ms-walk-to Provisional 14364 ms-whiteboard ms-whiteboard Provisional 11467 ms-whiteboard-cmd ms-whiteboard-cmd Provisional 14860 ms-widgetboard ms-widgetboard Provisional 12603 ms-widgets ms-widgets Provisional 4613 ms-word ms-word Provisional 16585 msnim msnim Provisional 8041 msrp Message Session Relay Protocol Permanent 11315 4975 RFC 4975 msrps Message Session Relay Protocol Secure Permanent 13440 4975 RFC 4975; RFC 8873 mss mss Provisional 12493 mt Matter protocol on-boarding payloads that are encoded for use in QR Codes and/or NFC Tags Permanent 12699 mtqp Message Tracking Query Protocol Permanent 3358 3887 RFC 3887 mtrust mtrust Provisional 13062 mumble mumble Provisional 11804 mupdate Mailbox Update (MUPDATE) Protocol Permanent 12569 3656 RFC 3656 musik musik Provisional 1014 mvn mvn Provisional 9585 mvrp mvrp (see [reviewer notes]) Provisional 13451 mvrps mvrps (see [reviewer notes]) Provisional 13228 news USENET news Permanent 1895 5538 RFC 5538 nfs network file system protocol Permanent 6516 2224 RFC 2224 ni ni Permanent 10926 6920 RFC 6920 nih nih Permanent 11428 6920 RFC 6920 nntp USENET news using NNTP access Permanent 13499 5538 RFC 5538 nostr nostr Provisional 1017 https://github.com/nostr-protocol/nostr notes notes Provisional 8766 draft-dconmy-notes-uri-scheme-02 npamp npamp Provisional 1009 draft-bubblefish-npamp-00 num Namespace Utility Modules Provisional 9965 https://www.numprotocol.com/specification ocf ocf Provisional 10241 oid oid Provisional 16079 draft-larmouth-oid-iri-04 onenote onenote Provisional 13608 onenote-cmd onenote-cmd Provisional 16632 op op Provisional 1040 opaquelocktoken opaquelocktokent Permanent 6341 4918 RFC 4918 openid OpenID Connect Provisional 1242 openpgp4fpr openpgp4fpr Provisional 13094 opns opns Provisional 30 ord ord Provisional 256 ordmail ordmail Provisional 257 otpauth otpauth Provisional 13829 p1 p1 Historical 14982 IESG pack pack Historical 13348 draft-shur-pack-uri-scheme-05 palm palm Provisional 10238 paparazzi paparazzi Provisional 12599 payment payment Historical 1762 IESG payto payto Provisional 6992 8905 RFC 8905 pbcp pbcp Provisional 1043 pkcs11 PKCS#11 Permanent 9312 7512 RFC 7512 pkg pkg Provisional 1018 platform platform Provisional 2754 pop Post Office Protocol v3 Permanent 10551 2384 RFC 2384 pres Presence Permanent 14972 3859 RFC 3859 prospero Prospero Directory Service Historical 14477 4157 RFC 4157 proxy proxy Provisional 3503 psyc psyc Provisional 1466 pttp pttp Provisional 6903 pwid pwid Provisional 17068 qb qb Provisional 12478 query query Provisional 10147 quic-transport quic-transport Provisional 6462 draft-vvv-webtransport-quic-00 redis redis Provisional 8099 rediss rediss Provisional 9338 reload reload Permanent 12726 6940 RFC 6940 res res Provisional 4153 resource resource Provisional 2284 rmi rmi Provisional 16292 rsync rsync Provisional 16884 5781 RFC 5781 rtmfp rtmfp Provisional 3348 7425 RFC 7425 rtmp rtmp Provisional 3920 rtsp Real-Time Streaming Protocol (RTSP) Permanent 15267 2326 RFC 2326; RFC 7826 rtsps Real-Time Streaming Protocol (RTSP) over TLS Permanent 4619 2326 RFC 2326; RFC 7826 rtspu Real-Time Streaming Protocol (RTSP) over unreliable datagram transport Permanent 11999 2326 RFC 2326 rttp rttp Provisional 27 draft-li-rttp-iqa-addressing-02; https://rttp.com/URI/ sarif sarif Provisional 13650 secondlife query Provisional 16729 secret-token secret-token Provisional 7074 8959 RFC 8959 seki seki Provisional 1026 service service location Permanent 17264 2609 RFC 2609 session session Permanent 4355 6787 RFC 6787 sftp query Provisional 5492 sgn sgn Provisional 4882 shc shc Provisional 5823 shelter shelter Provisional 15461 shttp Secure Hypertext Transfer Protocol Permanent 7874 2660 RFC 2660 sieve ManageSieve Protocol Permanent 5472 5804 RFC 5804 simpleledger simpleledger Provisional 9544 simplex simplex Provisional 15118 sip session initiation protocol Permanent 12644 3261 RFC 3261 sips secure session initiation protocol Permanent 9535 3261 RFC 3261 skype skype Provisional 2326 smb smb Provisional 7285 smp smp Provisional 11533 sms Short Message Service Permanent 3524 5724 RFC 5724 smtp smtp Provisional 13340 draft-melnikov-smime-msa-to-mda-03 snews NNTP over SSL/TLS Historical 13285 5538 RFC 5538 snmp Simple Network Management Protocol Permanent 1165 4088 RFC 4088 sns sns Provisional 29 soap.beep soap.beep Permanent 8519 4227 RFC 4227 soap.beeps soap.beeps Permanent 16300 4227 RFC 4227 soldat soldat Provisional 6349 spacify spacify Provisional 1000 spiffe spiffe Provisional 8093 spotify spotify Provisional 12732 ssb ssb Provisional 12400 ssh ssh Provisional 7667 sss sss Provisional 555 starknet starknet Provisional 12458 steam steam Provisional 5134 stun stun Permanent 14627 7064 RFC 7064 stuns stuns Permanent 14901 7064 RFC 7064 submit submit Provisional 4951 draft-melnikov-smime-msa-to-mda-03 svn svn Provisional 13923 swh swh Provisional 17039 swid swid (see [reviewer notes]) Provisional 14162 9393 RFC 9393, Section 5.1 swidpath swidpath (see [reviewer notes]) Provisional 5825 9393 RFC 9393, Section 5.2 tag tag Permanent 16377 4151 RFC 4151 taler taler Provisional 2796 draft-grothoff-taler-01 tcxp tcxp Provisional 1030 https://github.com/typed-context-protocol/charter; https://www.w3.org/community/typed-context-protocol/ teamspeak teamspeak Provisional 6924 teapot teapot Provisional 15026 teapots teapots Provisional 3375 tel telephone Permanent 3143 3966 RFC 3966; RFC 5341 teliaeid teliaeid Provisional 13362 telnet Reference to interactive sessions Permanent 10995 4248 RFC 4248 tftp Trivial File Transfer Protocol Permanent 8300 3617 RFC 3617 things things Provisional 2154 thismessage multipart/related relative reference resolution Permanent 14367 2557 RFC 2557 thzp thzp Historical 11820 IESG tii tii Provisional 1027 tip Transaction Internet Protocol Permanent 6651 2371 RFC 2371 tn3270 Interactive 3270 emulation sessions Permanent 14962 6270 RFC 6270 tool tool Provisional 15230 tttps TLS TimeToken Secure Protocol (TTTPS). A cryptographic temporal ordering proof protocol augmenting TLS 1.3 with Proof-of-Time records. Provisional 1011 draft-helmprotocol-tttps-04 turn turn Permanent 10333 7065 RFC 7065 turns turns Permanent 1926 7065 RFC 7065 tv TV Broadcasts Permanent 7923 2838 RFC 2838 udp udp Provisional 5217 unreal unreal Provisional 15206 upn upn Provisional 1004 upt upt Historical 2747 IESG urn Uniform Resource Names Permanent 4 8141 RFC 8141 ust ust Provisional 1016 THE LAB; https://github.com/thelabmd/UST-Protocol/blob/main/spec/UST-1.0.md ut2004 ut2004 Provisional 6609 uuaid uuaid Provisional 1015 uuid-in-package uuid-in-package Provisional 4515 v-event v-event Provisional 15579 draft-menderico-v-event-uri-00 vemmi versatile multimedia interface Permanent 16918 2122 RFC 2122 ventrilo ventrilo Provisional 12502 ves ves Provisional 10176 videotex videotex Historical 2406 2122 draft-mavrakis-videotex-url-spec-01; RFC 2122; RFC 3986 view-source view-source Provisional 8506 vnc Remote Framebuffer Protocol Permanent 11537 7869 RFC 7869 vscode vscode Provisional 7812 vscode-insiders vscode-insiders Provisional 3255 vsls vsls Provisional 9816 w3 w3 (see [reviewer notes]) Provisional 11799 wais Wide Area Information Servers Historical 8454 4156 RFC 4156 wasm wasm Provisional 15741 wasm-js wasm-js Provisional 14709 wcr wcr Provisional 11892 web+ap web+ap Provisional 17361 web+interaction web+interaction Provisional 1024 web3 web3 Provisional 4559 webcal webcal Provisional 4183 wifi wifi Provisional 14867 wpid wpid Historical 1658 ws WebSocket connections Permanent [RFC 8307] 11962 6455 RFC 6455 wss Encrypted WebSocket connections Permanent [RFC 8307] 3119 6455 RFC 6455 wtai wtai Provisional 9910 wyciwyg wyciwyg Provisional 15641 xcompute xcompute Provisional 13785 xcon xcon Permanent 10467 6501 RFC 6501 xcon-userid xcon-userid Permanent 9520 6501 RFC 6501 xfire xfire Provisional 15306 xftp xftp Provisional 4315 xmlrpc.beep xmlrpc.beep Permanent 3005 3529 RFC 3529 xmlrpc.beeps xmlrpc.beeps Permanent 15805 3529 RFC 3529 xmpp Extensible Messaging and Presence Protocol Permanent 15358 5122 RFC 5122 xrcp xrcp Provisional 4747 xri xri Provisional 11255 xudanu xudanu Provisional 1041 ymsgr ymsgr Provisional 3837 z39.50 Z39.50 information access Historical 1319 1738 RFC 1738; RFC 2056 z39.50r Z39.50 Retrieval Permanent 8159 2056 RFC 2056 z39.50s Z39.50 Session Permanent 6380 2056 RFC 2056 ztdnaid ztdnaid Provisional 1008