Uniform Resource Identifier (URI) Schemes

Last Updated
2016-12-29
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Registry included below

Uniform Resource Identifier (URI) Schemes

Registration Procedure(s)
Expert Review for Permanent and Historical registrations, 
First Come First Served for Provisional registrations
Expert(s)
Graham Klyne
Reference
[RFC7595][RFC Errata 4420]
Available Formats

CSV
URI Scheme Template Description Status Reference Notes
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]
acr prov/acr acr Provisional [OMA-OMNA]
adiumxtra prov/adiumxtra adiumxtra Provisional [Dave_Thaler]
afp prov/afp afp Provisional [Dave_Thaler]
afs Andrew File System global file names Provisional [RFC1738]
aim prov/aim aim Provisional [Dave_Thaler]
appdata prov/appdata appdata Provisional [urischemeowners_at_microsoft.com]
apt prov/apt apt Provisional [Dave_Thaler]
attachment prov/attachment attachment Provisional [Dave_Thaler]
aw prov/aw aw Provisional [Dave_Thaler]
barion prov/barion barion Provisional [Bíró_Tamás]
beshare prov/beshare beshare Provisional [Dave_Thaler]
bitcoin prov/bitcoin bitcoin Provisional [Dave_Thaler]
blob prov/blob blob Provisional [W3C_WebApps_Working_Group][Chris_Rebert]
bolo prov/bolo bolo Provisional [Dave_Thaler]
browserext prov/browserext browserext Provisional [Mike_Pietraszak]
callto prov/callto callto Provisional [Alexey_Melnikov]
cap Calendar Access Protocol Permanent [RFC4324]
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]
coaps coaps Permanent [RFC7252]
com-eventbrite-attendee prov/com-eventbrite-attendee com-eventbrite-attendee Provisional [Bob_Van_Zant]
content prov/content content Provisional [Dave_Thaler]
crid TV-Anytime Content Reference Identifier Permanent [RFC4078]
cvs prov/cvs cvs Provisional [Dave_Thaler]
data data Permanent [RFC2397]
dav dav Permanent [RFC4918]
dict dictionary service protocol Permanent [RFC2229]
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]
dtn DTNRG research and development Provisional [RFC5050]
dvb dvb Provisional [draft-mcroberts-uri-dvb]
ed2k prov/ed2k ed2k Provisional [Dave_Thaler]
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]
file Host-specific file names Permanent [RFC-ietf-appsawg-file-scheme-16]
filesystem historic/filesystem filesystem Historical [W3C_WebApps_Working_Group][Chris_Rebert]
finger prov/finger finger Provisional [Dave_Thaler]
fish prov/fish fish Provisional [Dave_Thaler]
ftp File Transfer Protocol Permanent [RFC1738]
geo Geographic Locations Permanent [RFC5870]
gg prov/gg gg Provisional [Dave_Thaler]
git prov/git git Provisional [Dave_Thaler]
gizmoproject prov/gizmoproject gizmoproject Provisional [Dave_Thaler]
go go Permanent [RFC3368]
gopher The Gopher Protocol Permanent [RFC4266]
gtalk prov/gtalk gtalk Provisional [Dave_Thaler]
h323 H.323 Permanent [RFC3508]
ham ham Provisional [RFC7046]
hcp prov/hcp hcp Provisional [Alexey_Melnikov]
http Hypertext Transfer Protocol Permanent [RFC7230, Section 2.7.1]
https Hypertext Transfer Protocol Secure Permanent [RFC7230, Section 2.7.2]
iax Inter-Asterisk eXchange Version 2 Permanent [RFC5456]
icap Internet Content Adaptation Protocol Permanent [RFC3507]
icon icon Provisional [draft-lafayette-icon-uri-scheme]
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][http://www.iana.org/assignments/uri-schemes/prov/iotdisco.pdf]
ipn ipn Provisional [RFC6260]
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]
ldap Lightweight Directory Access Protocol Permanent [RFC4516]
ldaps prov/ldaps ldaps Provisional [Dave_Thaler]
lvlt prov/lvlt lvlt Provisional [Alexander_Shishenko]
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]
message prov/message message Provisional [Dave_Thaler]
mid message identifier Permanent [RFC2392]
mms prov/mms mms Provisional [Alexey_Melnikov]
modem modem Historical [RFC2806][RFC3966]
ms-access prov/ms-access ms-access Provisional [urischemeowners_at_microsoft.com]
ms-browser-extension prov/ms-browser-extension ms-browser-extension 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-gamebarservices prov/ms-gamebarservices ms-gamebarservices 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-media-stream-id prov/ms-media-stream-id ms-media-stream-id 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-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-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-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-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]
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]
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 [Dave_Thaler]
ocf prov/ocf ocf Provisional [Dave_Thaler]
oid prov/oid oid Provisional [draft-larmouth-oid-iri]
opaquelocktoken opaquelocktokent Permanent [RFC4918]
pack historic/pack pack Historical [draft-shur-pack-uri-scheme]
palm prov/palm palm Provisional [Dave_Thaler]
paparazzi prov/paparazzi paparazzi Provisional [Dave_Thaler]
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]
qb prov/qb qb Provisional [Jan_Pokorny]
query prov/query query Provisional [Dave_Thaler]
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]
secondlife prov/secondlife query Provisional [Dave_Thaler]
service service location Permanent [RFC2609]
session session Permanent [RFC6787]
sftp prov/sftp query Provisional [Dave_Thaler]
sgn prov/sgn sgn Provisional [Dave_Thaler]
shttp Secure Hypertext Transfer Protocol Permanent [RFC2660]
sieve ManageSieve Protocol Permanent [RFC5804]
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]
sms Short Message Service Permanent [RFC5724]
smtp prov/smtp smtp Provisional [draft-melnikov-smime-msa-to-mda]
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]
spotify prov/spotify spotify Provisional [Dave_Thaler]
ssh prov/ssh ssh Provisional [Dave_Thaler]
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]
svn prov/svn svn Provisional [Dave_Thaler]
tag tag Permanent [RFC4151]
teamspeak prov/teamspeak teamspeak Provisional [Dave_Thaler]
tel telephone Permanent [RFC3966]
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]
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]
urn Uniform Resource Names Permanent [RFC2141][IANA registry urn-namespaces]
ut2004 prov/ut2004 ut2004 Provisional [Dave_Thaler]
v-event prov/v-event v-event Provisional [draft-menderico-v-event-uri]
vemmi versatile multimedia interface Permanent [RFC2122]
ventrilo prov/ventrilo ventrilo Provisional [Dave_Thaler]
videotex historic/videotex videotex Historical [draft-mavrakis-videotex-url-spec][RFC2122][RFC3986]
vnc Remote Framebuffer Protocol Permanent [RFC7869]
view-source prov/view-source view-source Provisional [Mykyta_Yevstifeyev]
wais Wide Area Information Servers Historical [RFC4156]
webcal prov/webcal webcal Provisional [Dave_Thaler]
wpid prov/wpid wpid Historical [Eld_Zierau]
ws WebSocket connections Permanent [RFC6455]
wss Encrypted WebSocket connections Permanent [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]
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]

People

ID Name Contact URI Last Updated
[Alexey_Melnikov] Alexey Melnikov mailto:alexey.melnikov&isode.com 2012-09-12
[Alexander_Shishenko] Alexander Shishenko mailto:alex&librevault.com 2016-06-13
[Bíró_Tamás] Bíró Tamás mailto:tamas.biro&sensenet.com 2014-05-16
[Bob_Van_Zant] Bob Van Zant mailto:bob&veznat.com 2011-11-14
[Chris_Rebert] Chris Rebert mailto:iana.url.schemes&chrisrebert.com 2015-07-21
[Christophe_Meessen] Christophe Meessen mailto:uri-review&ditp.org 2015-12-08
[Dave_Thaler] Dave Thaler mailto:dthaler&microsoft.com 2016-08-05
[DLNA] DLNA mailto:admin&dlna.org 2012-01-04
[Hans-Dieter_A._Hiep] Hans-Dieter A. Hiep mailto:info&aexiz.com 2015-08-05
[Eld_Zierau] Eld Zierau mailto:elzi&kb.dk 2016-12-01
[Jan_Pokorny] Jan Pokorny mailto:jpokorny&redhat.com 2016-09-20
[Matthias_Merkel] Matthias Merkel mailto:moritz30&moritz30.de 2016-02-23
[Mike_Pietraszak] Mike Pietraszak mailto:mikepie&microsoft.com 2016-10-17
[Mirko_Nosenzo] Mirko Nosenzo mailto:mirko.n&incomedia.eu 2013-09-20
[Mykyta_Yevstifeyev] Mykyta Yevstifeyev mailto:evnikita2&gmail.com 2011-05-25
[OMA-OMNA] OMNA – Open Mobile Naming Authority of the Open Mobile Alliance mailto:OMA-OMNA&mail.openmobilealliance.org 2014-12-19
[Peter_Lewandowski] Peter Lewandowski mailto:peter.lewandowski&cygate.se 2014-09-12
[Peter_Saint-Andre] Peter Saint-Andre mailto:stpeter&jabber.org 2012-12-04
[Peter_Waher] Peter Waher mailto:peterwaher&hotmail.com 2015-11-25
[urischemeowners_at_microsoft.com] urischemeowners at microsoft.com mailto:urischemeowners&microsoft.com 2016-10-06
[W3C_WebApps_Working_Group] W3C WebApps Working Group mailto:public-webapps&w3.org 2015-07-17