aaa | | Diameter Protocol | Permanent | - | [RFC6733] | |
aaas | | Diameter Protocol with Secure Transport | Permanent | - | [RFC6733] | |
about | | about | Permanent | - | [RFC6694] | |
acap | | application configuration access protocol | Permanent | - | [RFC2244] | |
acct | | acct | Permanent | - | [RFC7565] | |
acd | prov/acd | acd | Provisional | - | [Michael_Hedenus] | |
acr | prov/acr | acr | Provisional | - | [OMA-OMNA] | |
adiumxtra | prov/adiumxtra | adiumxtra | Provisional | - | [Dave_Thaler] | |
adt | prov/adt | adt | Provisional | - | [SAP_SE] | |
afp | prov/afp | afp | Provisional | - | [Dave_Thaler] | |
afs | | Andrew File System global file names | Provisional | - | [RFC1738] | |
aim | prov/aim | aim | Provisional | - | [Dave_Thaler] | |
amss | prov/amss | amss | Provisional | - | [RadioDNS_Project] | |
android | prov/android | android | Provisional | - | [Adam_Barth][https://developer.android.com/guide/topics/manifest/manifest-intro] | |
appdata | prov/appdata | appdata | Provisional | - | [urischemeowners_at_microsoft.com] | |
apt | prov/apt | apt | Provisional | - | [Dave_Thaler] | |
ar | prov/ar | ar | Provisional | - | [Arweave_Team] | |
ari | prov/ari | ari | Provisional | - | [draft-ietf-dtn-ari-04] | |
ark | prov/ark | ark | Provisional | - | [ARK_agency][https://n2t.net/ark:/21206/10015] | |
at | prov/at | at (see [reviewer notes]) | Provisional | - | [Bluesky_PBLLC][Paul_Frazee] | |
attachment | prov/attachment | attachment | Provisional | - | [Dave_Thaler] | |
aw | prov/aw | aw | Provisional | - | [Dave_Thaler] | |
barion | prov/barion | barion | Provisional | - | [Bíró_Tamás] | |
bb | historic/bb | bb | Historical | - | [IESG] | |
beshare | prov/beshare | beshare | Provisional | - | [Dave_Thaler] | |
bitcoin | prov/bitcoin | bitcoin | Provisional | - | [Dave_Thaler] | |
bitcoincash | prov/bitcoincash | bitcoincash | Provisional | - | [Corentin_Mercier] | |
bl | prov/bl | bluetooth (shortened) | Provisional | - | [Daniel_Cowling] | |
blob | prov/blob | blob | Provisional | - | [W3C_WebApps_Working_Group][Chris_Rebert] | |
bluetooth | prov/bluetooth | bluetooth | Provisional | - | [Daniel_Cowling] | |
bolo | prov/bolo | bolo | Provisional | - | [Dave_Thaler] | |
brid | prov/brid | brid | Provisional | - | [Jürgen_Grupp][Michael_Ranft][Sophie_Schenkel] | |
browserext | prov/browserext | browserext | Provisional | - | [Mike_Pietraszak] | |
cabal | prov/cabal | cabal | Provisional | - | [Frédéric_Wang][Cabal_Club] | |
calculator | prov/calculator | calculator | Provisional | - | [urischemeowners_at_microsoft.com] | |
callto | prov/callto | callto | Provisional | - | [Alexey_Melnikov] | |
cap | | Calendar Access Protocol | Permanent | - | [RFC4324] | |
cast | prov/cast | cast | Provisional | - | [Adam_Barth][https://developers.google.com/cast/docs/registration] | |
casts | prov/casts | casts | Provisional | - | [Adam_Barth][https://developers.google.com/cast/docs/registration] | |
chrome | prov/chrome | chrome | Provisional | - | [Dave_Thaler] | |
chrome-extension | prov/chrome-extension | chrome-extension | Provisional | - | [Dave_Thaler] | |
cid | | content identifier | Permanent | - | [RFC2392] | |
coap | | coap | Permanent | [RFC7252] | [RFC7252] | |
coap+tcp | | coap+tcp (see [reviewer notes]) | Permanent | [RFC8323] | [RFC8323] | |
coap+ws | | coap+ws (see [reviewer notes]) | Permanent | [RFC8323] | [RFC8323] | |
coaps | | coaps | Permanent | [RFC7252] | [RFC7252] | |
coaps+tcp | | coaps+tcp (see [reviewer notes]) | Permanent | [RFC8323] | [RFC8323] | |
coaps+ws | | coaps+ws (see [reviewer notes]) | Permanent | [RFC8323] | [RFC8323] | |
com-eventbrite-attendee | prov/com-eventbrite-attendee | com-eventbrite-attendee | Provisional | - | [Bob_Van_Zant] | |
content | prov/content | content | Provisional | - | [Dave_Thaler] | |
content-type | prov/content-type | content-type | Provisional | - | [Donald_Eastlake] | |
crid | | TV-Anytime Content Reference Identifier | Permanent | - | [RFC4078] | |
cstr | prov/cstr | cstr | Provisional | - | [Wang_Shu] | |
cvs | prov/cvs | cvs | Provisional | - | [Dave_Thaler] | |
dab | prov/dab | dab | Provisional | - | [RadioDNS_Project] | |
dat | prov/dat | dat | Provisional | - | [Frédéric_Wang][Paul_Frazee] | |
data | | data | Permanent | - | [RFC2397] | |
dav | | dav | Permanent | - | [RFC4918] | |
dhttp | prov/dhttp | dhttp (see [reviewer notes]) | Provisional | - | [Qi_Zhou] | |
diaspora | prov/diaspora | diaspora | Provisional | - | [Dennis_Schubert] | |
dict | | dictionary service protocol | Permanent | - | [RFC2229] | |
did | prov/did | did | Provisional | - | [W3C_Decentralized_Identifier_Working_Group][Manu_Sporny][Ivan_Herman] | |
dis | prov/dis | dis | Provisional | - | [Christophe_Meessen] | |
dlna-playcontainer | prov/dlna-playcontainer | dlna-playcontainer | Provisional | - | [DLNA] | |
dlna-playsingle | prov/dlna-playsingle | dlna-playsingle | Provisional | - | [DLNA] | |
dns | | Domain Name System | Permanent | - | [RFC4501] | |
dntp | prov/dntp | dntp | Provisional | - | [Hans-Dieter_A._Hiep] | |
doi | | doi | Permanent | - | [DOI URI Scheme][Pierre-Anthony_Lemieux][DOI_Foundation] | |
dpp | prov/dpp | dpp | Provisional | - | [Gaurav_Jain][Wi-Fi_Alliance] | |
drm | prov/drm | drm | Provisional | - | [RadioDNS_Project] | |
drop | historic/drop | drop | Historical | - | [IESG] | |
dtmi | prov/dtmi | dtmi | Provisional | - | [urischemeowners_at_microsoft.com] | |
dtn | | DTNRG research and development | Permanent | - | [RFC9171] | |
dvb | | dvb | Provisional | - | [draft-mcroberts-uri-dvb-09] | |
dvx | prov/dvx | dvx | Provisional | - | [Clemens_Bastian] | |
dweb | prov/dweb | dweb | Provisional | - | [Frédéric_Wang][Protocol_Labs] | |
ed2k | prov/ed2k | ed2k | Provisional | - | [Dave_Thaler] | |
eid | prov/eid | eid | Provisional | - | [eSIM_Group_GSM_Association] | |
elsi | prov/elsi | elsi | Provisional | - | [Kimmo_Lindholm] | |
embedded | prov/embedded | embedded | Provisional | - | [Peter_Hoddie] | |
ens | prov/ens | ens | Provisional | - | [Ricky_Bloomfield][Bradley_Nelson] | |
ethereum | prov/ethereum | ethereum | Provisional | - | [Frédéric_Wang][ligi] | |
example | | example | Permanent | - | [RFC7595] | |
facetime | prov/facetime | facetime | Provisional | - | [Dave_Thaler] | |
fax | | fax | Historical | - | [RFC2806][RFC3966] | |
feed | prov/feed | feed | Provisional | - | [Dave_Thaler] | |
feedready | prov/feedready | feedready | Provisional | - | [Mirko_Nosenzo] | |
fido | prov/fido | fido | Provisional | - | [Adam_Langley] | |
file | | Host-specific file names | Permanent | - | [RFC8089] | |
filesystem | historic/filesystem | filesystem | Historical | - | [W3C_WebApps_Working_Group][Chris_Rebert] | |
finger | prov/finger | finger | Provisional | - | [Dave_Thaler] | |
first-run-pen-experience | prov/first-run-pen-experience | first-run-pen-experience | Provisional | - | [urischemeowners_at_microsoft.com] | |
fish | prov/fish | fish | Provisional | - | [Dave_Thaler] | |
fm | prov/fm | fm | Provisional | - | [RadioDNS_Project] | |
ftp | | File Transfer Protocol | Permanent | - | [RFC1738] | |
fuchsia-pkg | prov/fuchsia-pkg | fuchsia-pkg | Provisional | - | [Adam_Barth][https://fuchsia.googlesource.com/fuchsia/] | |
geo | | Geographic Locations | Permanent | - | [RFC5870] | |
gg | prov/gg | gg | Provisional | - | [Dave_Thaler] | |
git | prov/git | git | Provisional | - | [Dave_Thaler] | |
gitoid | prov/gitoid | gitoid | Provisional | - | [Ed_Warnicke] | |
gizmoproject | prov/gizmoproject | gizmoproject | Provisional | - | [Dave_Thaler] | |
go | | go | Permanent | - | [RFC3368] | |
gopher | | The Gopher Protocol | Permanent | - | [RFC4266] | |
graph | prov/graph | graph | Provisional | - | [Alastair_Green] | |
grd | historic/grd | grd | Historical | - | [IESG] | |
gtalk | prov/gtalk | gtalk | Provisional | - | [Dave_Thaler] | |
h323 | | H.323 | Permanent | - | [RFC3508] | |
ham | | ham | Provisional | - | [RFC7046] | |
hcap | prov/hcap | hcap | Provisional | - | [urischemeowners_at_microsoft.com] | |
hcp | prov/hcp | hcp | Provisional | - | [Alexey_Melnikov] | |
hs20 | prov/hs20 | hs20 | Provisional | - | [Bruno_Tomas] | |
http | | Hypertext Transfer Protocol | Permanent | [RFC8615] | [RFC9110, Section 4.2.1] | |
https | | Hypertext Transfer Protocol Secure | Permanent | [RFC8615] | [RFC9110, Section 4.2.2] | |
hxxp | prov/hxxp | hxxp | Provisional | - | [draft-salgado-hxxp-01] | |
hxxps | prov/hxxps | hxxps | Provisional | - | [draft-salgado-hxxp-01] | |
hydrazone | prov/hydrazone | hydrazone | Provisional | - | [Matthias_Merkel][https://tech.hydrazone.pro/uri/specification/hydrazone.txt] | |
hyper | prov/hyper | hyper | Provisional | - | [Frédéric_Wang][Paul_Frazee] | |
iax | | Inter-Asterisk eXchange Version 2 | Permanent | - | [RFC5456] | |
icap | | Internet Content Adaptation Protocol | Permanent | - | [RFC3507] | |
icon | | icon | Provisional | - | [draft-lafayette-icon-uri-scheme-01] | |
ilstring | prov/ilstring | ilstring | Provisional | - | [OPC_Foundation][https://webstore.iec.ch/en/publication/77973] | |
im | | Instant Messaging | Permanent | - | [RFC3860] | |
imap | | internet message access protocol | Permanent | - | [RFC5092] | |
info | | Information Assets with Identifiers in Public Namespaces. [RFC4452] (section 3) defines an "info" registry of public namespaces, which is maintained by NISO and can be accessed from [http://info-uri.info/]. | Permanent | - | [RFC4452] | |
iotdisco | prov/iotdisco | iotdisco | Provisional | - | [Peter_Waher][https://www.iana.org/assignments/uri-schemes/prov/iotdisco.pdf] | |
ipfs | prov/ipfs | ipfs | Provisional | - | [Frédéric_Wang][Protocol_Labs] | |
ipn | | ipn | Permanent | - | [RFC-ietf-dtn-ipn-update-14] | |
ipns | prov/ipns | ipns | Provisional | - | [Frédéric_Wang][Protocol_Labs] | |
ipp | | Internet Printing Protocol | Permanent | - | [RFC3510] | |
ipps | | Internet Printing Protocol over HTTPS | Permanent | - | [RFC7472] | |
irc | prov/irc | irc | Provisional | - | [Dave_Thaler] | |
irc6 | prov/irc6 | irc6 | Provisional | - | [Dave_Thaler] | |
ircs | prov/ircs | ircs | Provisional | - | [Dave_Thaler] | |
iris | | Internet Registry Information Service | Permanent | - | [RFC3981] | |
iris.beep | | iris.beep | Permanent | - | [RFC3983] | |
iris.lwz | | iris.lwz | Permanent | - | [RFC4993] | |
iris.xpc | | iris.xpc | Permanent | - | [RFC4992] | |
iris.xpcs | | iris.xpcs | Permanent | - | [RFC4992] | |
isostore | prov/isostore | isostore | Provisional | - | [urischemeowners_at_microsoft.com] | |
itms | prov/itms | itms | Provisional | - | [Dave_Thaler] | |
jabber | perm/jabber | jabber | Permanent | - | [Peter_Saint-Andre] | |
jar | prov/jar | jar | Provisional | - | [Dave_Thaler] | |
jms | | Java Message Service | Provisional | - | [RFC6167] | |
keyparc | prov/keyparc | keyparc | Provisional | - | [Dave_Thaler] | |
lastfm | prov/lastfm | lastfm | Provisional | - | [Dave_Thaler] | |
lbry | prov/lbry | lbry | Provisional | - | [Alex_Grintsvayg] | |
ldap | | Lightweight Directory Access Protocol | Permanent | - | [RFC4516] | |
ldaps | prov/ldaps | ldaps | Provisional | - | [Dave_Thaler] | |
leaptofrogans | | leaptofrogans | Permanent | - | [RFC8589] | |
lid | prov/lid | lid | Provisional | - | [IS4] | |
lorawan | prov/lorawan | lorawan | Provisional | - | [OMA-DMSE] | |
lpa | prov/lpa | lpa | Provisional | - | [eSIM_Group_GSM_Association] | |
lvlt | prov/lvlt | lvlt | Provisional | - | [Alexander_Shishenko] | |
machineProvisioningProgressReporter | prov/machineProvisioningProgressReporter | Windows Autopilot Modern Device Management status updates | Provisional | - | [urischemeowners_at_microsoft.com] | |
magnet | prov/magnet | magnet | Provisional | - | [Dave_Thaler] | |
mailserver | | Access to data available from mail servers | Historical | - | [RFC6196] | |
mailto | | Electronic mail address | Permanent | - | [RFC6068] | |
maps | prov/maps | maps | Provisional | - | [Dave_Thaler] | |
market | prov/market | market | Provisional | - | [Dave_Thaler] | |
matrix | prov/matrix | matrix | Provisional | - | [Hubert_Chathi] | |
message | prov/message | message | Provisional | - | [Dave_Thaler] | |
microsoft.windows.camera | prov/microsoft.windows.camera | microsoft.windows.camera | Provisional | - | [urischemeowners_at_microsoft.com] | |
microsoft.windows.camera.multipicker | prov/microsoft.windows.camera.multipicker | microsoft.windows.camera.multipicker | Provisional | - | [urischemeowners_at_microsoft.com] | |
microsoft.windows.camera.picker | prov/microsoft.windows.camera.picker | microsoft.windows.camera.picker | Provisional | - | [urischemeowners_at_microsoft.com] | |
mid | | message identifier | Permanent | - | [RFC2392] | |
mms | prov/mms | mms | Provisional | - | [Alexey_Melnikov] | |
modem | | modem | Historical | - | [RFC2806][RFC3966] | |
mongodb | prov/mongodb | mongodb | Provisional | - | [Ignacio_Losiggio][Mongo_DB_Inc] | |
moz | prov/moz | moz | Provisional | - | [Joe_Hildebrand] | |
ms-access | prov/ms-access | ms-access | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-appinstaller | prov/ms-appinstaller | ms-appinstaller | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-browser-extension | prov/ms-browser-extension | ms-browser-extension | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-calculator | prov/ms-calculator | ms-calculator | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-drive-to | prov/ms-drive-to | ms-drive-to | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-enrollment | prov/ms-enrollment | ms-enrollment | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-excel | prov/ms-excel | ms-excel | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-eyecontrolspeech | prov/ms-eyecontrolspeech | ms-eyecontrolspeech | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-gamebarservices | prov/ms-gamebarservices | ms-gamebarservices | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-gamingoverlay | prov/ms-gamingoverlay | ms-gamingoverlay | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-getoffice | prov/ms-getoffice | ms-getoffice | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-help | prov/ms-help | ms-help | Provisional | - | [Alexey_Melnikov] | |
ms-infopath | prov/ms-infopath | ms-infopath | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-inputapp | prov/ms-inputapp | ms-inputapp | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-launchremotedesktop | prov/ms-launchremotedesktop | ms-launchremotedesktop | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-lockscreencomponent-config | prov/ms-lockscreencomponent-config | ms-lockscreencomponent-config | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-media-stream-id | prov/ms-media-stream-id | ms-media-stream-id | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-meetnow | prov/ms-meetnow | ms-meetnow | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-mixedrealitycapture | prov/ms-mixedrealitycapture | ms-mixedrealitycapture | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-mobileplans | prov/ms-mobileplans | ms-mobileplans | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-newsandinterests | prov/ms-newsandinterests | ms-newsandinterests | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-officeapp | prov/ms-officeapp | ms-officeapp | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-people | prov/ms-people | ms-people | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-personacard | prov/ms-personacard | ms-personacard | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-project | prov/ms-project | ms-project | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-powerpoint | prov/ms-powerpoint | ms-powerpoint | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-publisher | prov/ms-publisher | ms-publisher | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-recall | prov/ms-recall | ms-recall | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-remotedesktop | prov/ms-remotedesktop | ms-remotedesktop | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-remotedesktop-launch | prov/ms-remotedesktop-launch | ms-remotedesktop-launch | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-restoretabcompanion | prov/ms-restoretabcompanion | ms-restoretabcompanion | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-screenclip | prov/ms-screenclip | ms-screenclip | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-screensketch | prov/ms-screensketch | ms-screensketch | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-search | prov/ms-search | ms-search | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-search-repair | prov/ms-search-repair | ms-search-repair | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-secondary-screen-controller | prov/ms-secondary-screen-controller | ms-secondary-screen-controller | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-secondary-screen-setup | prov/ms-secondary-screen-setup | ms-secondary-screen-setup | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-settings | prov/ms-settings | ms-settings | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-settings-airplanemode | prov/ms-settings-airplanemode | ms-settings-airplanemode | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-settings-bluetooth | prov/ms-settings-bluetooth | ms-settings-bluetooth | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-settings-camera | prov/ms-settings-camera | ms-settings-camera | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-settings-cellular | prov/ms-settings-cellular | ms-settings-cellular | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-settings-cloudstorage | prov/ms-settings-cloudstorage | ms-settings-cloudstorage | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-settings-connectabledevices | prov/ms-settings-connectabledevices | ms-settings-connectabledevices | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-settings-displays-topology | prov/ms-settings-displays-topology | ms-settings-displays-topology | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-settings-emailandaccounts | prov/ms-settings-emailandaccounts | ms-settings-emailandaccounts | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-settings-language | prov/ms-settings-language | ms-settings-language | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-settings-location | prov/ms-settings-location | ms-settings-location | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-settings-lock | prov/ms-settings-lock | ms-settings-lock | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-settings-nfctransactions | prov/ms-settings-nfctransactions | ms-settings-nfctransactions | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-settings-notifications | prov/ms-settings-notifications | ms-settings-notifications | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-settings-power | prov/ms-settings-power | ms-settings-power | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-settings-privacy | prov/ms-settings-privacy | ms-settings-privacy | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-settings-proximity | prov/ms-settings-proximity | ms-settings-proximity | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-settings-screenrotation | prov/ms-settings-screenrotation | ms-settings-screenrotation | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-settings-wifi | prov/ms-settings-wifi | ms-settings-wifi | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-settings-workplace | prov/ms-settings-workplace | ms-settings-workplace | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-spd | prov/ms-spd | ms-spd | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-stickers | prov/ms-stickers | ms-stickers | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-sttoverlay | prov/ms-sttoverlay | ms-sttoverlay | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-transit-to | prov/ms-transit-to | ms-transit-to | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-useractivityset | prov/ms-useractivityset | ms-useractivityset | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-virtualtouchpad | prov/ms-virtualtouchpad | ms-virtualtouchpad | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-visio | prov/ms-visio | ms-visio | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-walk-to | prov/ms-walk-to | ms-walk-to | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-whiteboard | prov/ms-whiteboard | ms-whiteboard | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-whiteboard-cmd | prov/ms-whiteboard-cmd | ms-whiteboard-cmd | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-widgetboard | prov/ms-widgetboard | ms-widgetboard | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-widgets | prov/ms-widgets | ms-widgets | Provisional | - | [urischemeowners_at_microsoft.com] | |
ms-word | prov/ms-word | ms-word | Provisional | - | [urischemeowners_at_microsoft.com] | |
msnim | prov/msnim | msnim | Provisional | - | [Alexey_Melnikov] | |
msrp | | Message Session Relay Protocol | Permanent | - | [RFC4975] | |
msrps | | Message Session Relay Protocol Secure | Permanent | - | [RFC4975][RFC8873] | |
mss | prov/mss | mss | Provisional | - | [Jarmo_Miettinen] | |
mt | perm/mt | Matter protocol on-boarding payloads that are encoded for use in QR Codes and/or NFC Tags | Permanent | - | [Connectivity_Standards_Alliance] | |
mtqp | | Message Tracking Query Protocol | Permanent | - | [RFC3887] | |
mumble | prov/mumble | mumble | Provisional | - | [Dave_Thaler] | |
mupdate | | Mailbox Update (MUPDATE) Protocol | Permanent | - | [RFC3656] | |
mvn | prov/mvn | mvn | Provisional | - | [Dave_Thaler] | |
mvrp | prov/mvrp | mvrp (see [reviewer notes]) | Provisional | - | [Antonio_Walker] | |
mvrps | prov/mvrps | mvrps (see [reviewer notes]) | Provisional | - | [Antonio_Walker] | |
news | | USENET news | Permanent | - | [RFC5538] | |
nfs | | network file system protocol | Permanent | - | [RFC2224] | |
ni | | ni | Permanent | - | [RFC6920] | |
nih | | nih | Permanent | - | [RFC6920] | |
nntp | | USENET news using NNTP access | Permanent | - | [RFC5538] | |
notes | prov/notes | notes | Provisional | - | [draft-dconmy-notes-uri-scheme-02] | |
num | prov/num | Namespace Utility Modules | Provisional | - | [Elliott_Brown][https://www.numprotocol.com/specification] | |
ocf | prov/ocf | ocf | Provisional | - | [Dave_Thaler] | |
oid | prov/oid | oid | Provisional | - | [draft-larmouth-oid-iri-04] | |
onenote | prov/onenote | onenote | Provisional | - | [urischemeowners_at_microsoft.com] | |
onenote-cmd | prov/onenote-cmd | onenote-cmd | Provisional | - | [urischemeowners_at_microsoft.com] | |
opaquelocktoken | | opaquelocktokent | Permanent | - | [RFC4918] | |
openid | prov/openid | OpenID Connect | Provisional | - | [OpenID_Foundation_Artifact_Binding_Working_Group][OpenID Connect Core 1.0, Section 7.3] | |
openpgp4fpr | prov/openpgp4fpr | openpgp4fpr | Provisional | - | [Wiktor_Kwapisiewicz] | |
otpauth | prov/otpauth | otpauth | Provisional | - | [Frédéric_Wang][Thomas_Habets] | |
p1 | historic/p1 | p1 | Historical | - | [IESG] | |
pack | historic/pack | pack | Historical | - | [draft-shur-pack-uri-scheme-05] | |
palm | prov/palm | palm | Provisional | - | [Dave_Thaler] | |
paparazzi | prov/paparazzi | paparazzi | Provisional | - | [Dave_Thaler] | |
payment | historic/payment | payment | Historical | - | [IESG] | |
payto | prov/payto | payto | Provisional | - | [RFC8905] | |
pkcs11 | | PKCS#11 | Permanent | - | [RFC7512] | |
platform | prov/platform | platform | Provisional | - | [Dave_Thaler] | |
pop | | Post Office Protocol v3 | Permanent | - | [RFC2384] | |
pres | | Presence | Permanent | - | [RFC3859] | |
prospero | | Prospero Directory Service | Historical | - | [RFC4157] | |
proxy | prov/proxy | proxy | Provisional | - | [Dave_Thaler] | |
pwid | prov/pwid | pwid | Provisional | - | [Eld_Zierau] | |
psyc | prov/psyc | psyc | Provisional | - | [Dave_Thaler] | |
pttp | prov/pttp | pttp | Provisional | - | [Tony_Deng][Tuan_Hoang][Bob_Hinkle][Mark_Chen] | |
qb | prov/qb | qb | Provisional | - | [Jan_Pokorny] | |
query | prov/query | query | Provisional | - | [Dave_Thaler] | |
quic-transport | prov/quic-transport | quic-transport | Provisional | - | [draft-vvv-webtransport-quic-00] | |
redis | prov/redis | redis | Provisional | - | [Chris_Rebert] | |
rediss | prov/rediss | rediss | Provisional | - | [Chris_Rebert] | |
reload | | reload | Permanent | - | [RFC6940] | |
res | prov/res | res | Provisional | - | [Alexey_Melnikov] | |
resource | prov/resource | resource | Provisional | - | [Dave_Thaler] | |
rmi | prov/rmi | rmi | Provisional | - | [Dave_Thaler] | |
rsync | | rsync | Provisional | - | [RFC5781] | |
rtmfp | prov/rtmfp | rtmfp | Provisional | - | [RFC7425] | |
rtmp | prov/rtmp | rtmp | Provisional | - | [Dave_Thaler] | |
rtsp | | Real-Time Streaming Protocol (RTSP) | Permanent | - | [RFC2326][RFC7826] | |
rtsps | | Real-Time Streaming Protocol (RTSP) over TLS | Permanent | - | [RFC2326][RFC7826] | |
rtspu | | Real-Time Streaming Protocol (RTSP) over unreliable datagram transport | Permanent | - | [RFC2326] | |
sarif | prov/sarif | sarif | Provisional | - | [OASIS_Open][Michael_C_Fanning][David_Keaton] | |
secondlife | prov/secondlife | query | Provisional | - | [Dave_Thaler] | |
secret-token | prov/secret-token | secret-token | Provisional | - | [RFC8959] | |
service | | service location | Permanent | - | [RFC2609] | |
session | | session | Permanent | - | [RFC6787] | |
sftp | prov/sftp | query | Provisional | - | [Dave_Thaler] | |
sgn | prov/sgn | sgn | Provisional | - | [Dave_Thaler] | |
shc | prov/shc | shc | Provisional | - | [Josh_Mandel] | |
shelter | prov/shelter | shelter | Provisional | - | [okTurtles_Foundation] | |
shttp (OBSOLETE) | | Secure Hypertext Transfer Protocol | Permanent | - | [RFC2660][Status change of HTTP experiments to Historic] | |
sieve | | ManageSieve Protocol | Permanent | - | [RFC5804] | |
simpleledger | prov/simpleledger | simpleledger | Provisional | - | [James_Cramer] | |
simplex | prov/simplex | simplex | Provisional | - | [Evgeny_Poberezkin] | |
sip | | session initiation protocol | Permanent | - | [RFC3261] | |
sips | | secure session initiation protocol | Permanent | - | [RFC3261] | |
skype | prov/skype | skype | Provisional | - | [Alexey_Melnikov] | |
smb | prov/smb | smb | Provisional | - | [Dave_Thaler] | |
smp | prov/smp | smp | Provisional | - | [Evgeny_Poberezkin] | |
sms | | Short Message Service | Permanent | - | [RFC5724] | |
smtp | prov/smtp | smtp | Provisional | - | [draft-melnikov-smime-msa-to-mda-03] | |
snews | | NNTP over SSL/TLS | Historical | - | [RFC5538] | |
snmp | | Simple Network Management Protocol | Permanent | - | [RFC4088] | |
soap.beep | | soap.beep | Permanent | - | [RFC4227] | |
soap.beeps | | soap.beeps | Permanent | - | [RFC4227] | |
soldat | prov/soldat | soldat | Provisional | - | [Dave_Thaler] | |
spiffe | prov/spiffe | spiffe | Provisional | - | [Evan_Gilman] | |
spotify | prov/spotify | spotify | Provisional | - | [Dave_Thaler] | |
ssb | prov/ssb | ssb | Provisional | - | [Frédéric_Wang][Secure_Scuttlebutt_Consortium] | |
ssh | prov/ssh | ssh | Provisional | - | [Dave_Thaler] | |
starknet | prov/starknet | starknet | Provisional | - | [Abraham_Makovetsky] | |
steam | prov/steam | steam | Provisional | - | [Dave_Thaler] | |
stun | | stun | Permanent | - | [RFC7064] | |
stuns | | stuns | Permanent | - | [RFC7064] | |
submit | prov/submit | submit | Provisional | - | [draft-melnikov-smime-msa-to-mda-03] | |
svn | prov/svn | svn | Provisional | - | [Dave_Thaler] | |
swh | prov/swh | swh | Provisional | - | [Software_Heritage][Stefano_Zacchiroli] | |
swid | prov/swid | swid (see [reviewer notes]) | Provisional | - | [RFC9393, Section 5.1] | |
swidpath | prov/swidpath | swidpath (see [reviewer notes]) | Provisional | - | [RFC9393, Section 5.2] | |
tag | | tag | Permanent | - | [RFC4151] | |
taler | prov/taler | taler | Provisional | - | [draft-grothoff-taler-01] | |
teamspeak | prov/teamspeak | teamspeak | Provisional | - | [Dave_Thaler] | |
teapot | prov/teapot | teapot | Provisional | - | [Karwan_Stark] | |
teapots | prov/teapots | teapots | Provisional | - | [Karwan_Stark] | |
tel | | telephone | Permanent | - | [RFC3966][RFC5341] | |
teliaeid | prov/teliaeid | teliaeid | Provisional | - | [Peter_Lewandowski] | |
telnet | | Reference to interactive sessions | Permanent | - | [RFC4248] | |
tftp | | Trivial File Transfer Protocol | Permanent | - | [RFC3617] | |
things | prov/things | things | Provisional | - | [Dave_Thaler] | |
thismessage | perm/thismessage | multipart/related relative reference resolution | Permanent | - | [RFC2557] | |
thzp | historic/thzp | thzp | Historical | - | [IESG] | |
tip | | Transaction Internet Protocol | Permanent | - | [RFC2371] | |
tn3270 | | Interactive 3270 emulation sessions | Permanent | - | [RFC6270] | |
tool | prov/tool | tool | Provisional | - | [Matthias_Merkel] | |
turn | | turn | Permanent | - | [RFC7065] | |
turns | | turns | Permanent | - | [RFC7065] | |
tv | | TV Broadcasts | Permanent | - | [RFC2838] | |
udp | prov/udp | udp | Provisional | - | [Dave_Thaler] | |
unreal | prov/unreal | unreal | Provisional | - | [Dave_Thaler] | |
upt | historic/upt | upt | Historical | - | [IESG] | |
urn | | Uniform Resource Names | Permanent | - | [RFC8141][IANA registry urn-namespaces] | |
ut2004 | prov/ut2004 | ut2004 | Provisional | - | [Dave_Thaler] | |
uuid-in-package | prov/uuid-in-package | uuid-in-package | Provisional | - | [Kunihiko_Sakamoto] | |
v-event | prov/v-event | v-event | Provisional | - | [draft-menderico-v-event-uri-00] | |
vemmi | | versatile multimedia interface | Permanent | - | [RFC2122] | |
ventrilo | prov/ventrilo | ventrilo | Provisional | - | [Dave_Thaler] | |
ves | prov/ves | ves | Provisional | - | [Jim_Zubov] | |
videotex | historic/videotex | videotex | Historical | - | [draft-mavrakis-videotex-url-spec-01][RFC2122][RFC3986] | |
vnc | | Remote Framebuffer Protocol | Permanent | - | [RFC7869] | |
view-source | prov/view-source | view-source | Provisional | - | [Mykyta_Yevstifeyev] | |
vscode | prov/vscode | vscode | Provisional | - | [urischemeowners_at_microsoft.com] | |
vscode-insiders | prov/vscode-insiders | vscode-insiders | Provisional | - | [urischemeowners_at_microsoft.com] | |
vsls | prov/vsls | vsls | Provisional | - | [urischemeowners_at_microsoft.com] | |
w3 | prov/w3 | w3 (see [reviewer notes]) | Provisional | - | [Qi_Zhou] | |
wais | | Wide Area Information Servers | Historical | - | [RFC4156] | |
web3 | prov/web3 | web3 | Provisional | - | [Qi_Zhou] | |
wcr | prov/wcr | wcr | Provisional | - | [Jason_Dzubak] | |
webcal | prov/webcal | webcal | Provisional | - | [Dave_Thaler] | |
web+ap | prov/web+ap | web+ap | Provisional | - | [Soni_L.] | |
wifi | prov/wifi | wifi | Provisional | - | [Wi-Fi_Alliance][Jun_Tian] | |
wpid | prov/wpid | wpid | Historical | - | [Eld_Zierau] | |
ws | | WebSocket connections | Permanent | [RFC8307] | [RFC6455] | |
wss | | Encrypted WebSocket connections | Permanent | [RFC8307] | [RFC6455] | |
wtai | prov/wtai | wtai | Provisional | - | [Dave_Thaler] | |
wyciwyg | prov/wyciwyg | wyciwyg | Provisional | - | [Dave_Thaler] | |
xcon | | xcon | Permanent | - | [RFC6501] | |
xcon-userid | | xcon-userid | Permanent | - | [RFC6501] | |
xfire | prov/xfire | xfire | Provisional | - | [Dave_Thaler] | |
xmlrpc.beep | | xmlrpc.beep | Permanent | - | [RFC3529] | |
xmlrpc.beeps | | xmlrpc.beeps | Permanent | - | [RFC3529] | |
xmpp | | Extensible Messaging and Presence Protocol | Permanent | - | [RFC5122] | |
xftp | prov/xftp | xftp | Provisional | - | [Evgeny_Poberezkin] | |
xrcp | prov/xrcp | xrcp | Provisional | - | [Evgeny_Poberezkin] | |
xri | prov/xri | xri | Provisional | - | [Dave_Thaler] | |
ymsgr | prov/ymsgr | ymsgr | Provisional | - | [Dave_Thaler] | |
z39.50 | | Z39.50 information access | Historical | - | [RFC1738][RFC2056] | |
z39.50r | | Z39.50 Retrieval | Permanent | - | [RFC2056] | |
z39.50s | | Z39.50 Session | Permanent | - | [RFC2056] | |