2013-04-23 Expert Review Graham Klyne defines an IANA-maintained registry of URI Schemes. These registries include the Permanent and Provisional URI Schemes. aaa Diameter Protocol aaas Diameter Protocol with Secure Transport about about acap application configuration access protocol cap Calendar Access Protocol cid content identifier crid TV-Anytime Content Reference Identifier data data dav dav dict dictionary service protocol dns Domain Name System file Host-specific file names ftp File Transfer Protocol geo Geographic Locations go go gopher The Gopher Protocol h323 H.323 http Hypertext Transfer Protocol https Hypertext Transfer Protocol Secure iax Inter-Asterisk eXchange Version 2 icap Internet Content Adaptation Protocol im Instant Messaging imap internet message access protocol info Information Assets with Identifiers in Public Namespaces ipp Internet Printing Protocol iris Internet Registry Information Service iris.beep iris.beep iris.xpc iris.xpc iris.xpcs iris.xpcs iris.lwz iris.lwz perm/jabber jabber jabber ldap Lightweight Directory Access Protocol mailto Electronic mail address mid message identifier msrp Message Session Relay Protocol msrps Message Session Relay Protocol Secure mtqp Message Tracking Query Protocol mupdate Mailbox Update (MUPDATE) Protocol news USENET news nfs network file system protocol ni ni nih nih nntp USENET news using NNTP access opaquelocktoken opaquelocktokent pop Post Office Protocol v3 pres Presence reload reload rtsp real time streaming protocol service service location session session shttp Secure Hypertext Transfer Protocol sieve ManageSieve Protocol sip session initiation protocol sips secure session initiation protocol sms Short Message Service snmp Simple Network Management Protocol soap.beep soap.beep soap.beeps soap.beeps tag tag tel telephone telnet Reference to interactive sessions tftp Trivial File Transfer Protocol perm/thismessage thismessage multipart/related relative reference resolution tn3270 Interactive 3270 emulation sessions tip Transaction Internet Protocol tv TV Broadcasts urn Uniform Resource Names vemmi versatile multimedia interface ws WebSocket connections wss Encrypted WebSocket connections xcon xcon xcon-userid xcon-userid xmlrpc.beep xmlrpc.beep xmlrpc.beeps xmlrpc.beeps xmpp Extensible Messaging and Presence Protocol z39.50r Z39.50 Retrieval z39.50s Z39.50 Session prov/adiumxtra adiumxtra adiumxtra prov/afp afp afp afs Andrew File System global file names prov/aim aim aim prov/apt apt apt prov/attachment attachment attachment prov/aw aw aw prov/beshare beshare beshare prov/bitcoin bitcoin bitcoin prov/bolo bolo bolo prov/callto callto callto prov/chrome chrome chrome prov/chrome-extension chrome-extension chrome-extension prov/com-eventbrite-attendee com-eventbrite-attendee com-eventbrite-attendee prov/content content content prov/cvs cvs cvs prov/dlna-playsingle dlna-playsingle dlna-playsingle prov/dlna-playcontainer dlna-playcontainer dlna-playcontainer dtn DTNRG research and development dvb dvb prov/ed2k ed2k ed2k prov/facetime facetime facetime prov/feed feed feed prov/finger finger finger prov/fish fish fish prov/gg gg gg prov/git git git prov/gizmoproject gizmoproject gizmoproject prov/gtalk gtalk gtalk prov/hcp hcp hcp icon icon ipn ipn prov/irc irc irc prov/irc6 irc6 irc6 prov/ircs ircs ircs prov/itms itms itms prov/jar jar jar jms Java Message Service prov/keyparc keyparc keyparc prov/lastfm lastfm lastfm prov/ldaps ldaps ldaps prov/magnet magnet magnet prov/maps maps maps prov/market market market prov/message message message prov/mms mms mms prov/ms-help ms-help ms-help prov/msnim msnim msnim prov/mumble mumble mumble prov/mvn mvn mvn prov/notes notes notes prov/oid oid oid prov/palm palm palm prov/paparazzi paparazzi paparazzi prov/platform platform platform prov/proxy proxy proxy prov/psyc psyc psyc prov/query query query prov/res res res prov/resource resource resource prov/rmi rmi rmi rsync rsync prov/rtmp rtmp rtmp prov/secondlife secondlife query prov/sftp sftp query prov/sgn sgn sgn prov/skype skype skype prov/smb smb smb prov/soldat soldat soldat prov/spotify spotify spotify prov/ssh ssh ssh prov/steam steam steam prov/svn svn svn prov/teamspeak teamspeak teamspeak prov/things things things prov/udp udp udp prov/unreal unreal unreal prov/ut2004 ut2004 ut2004 prov/ventrilo ventrilo ventrilo prov/view-source view-source view-source prov/webcal webcal webcal prov/wtai wtai wtai prov/wyciwyg wyciwyg wyciwyg prov/xfire xfire xfire prov/xri xri xri prov/ymsgr ymsgr ymsgr fax fax mailserver Access to data available from mail servers modem modem historic/pack pack pack prospero Prospero Directory Service snews NNTP over SSL/TLS historic/videotex videotex videotex wais Wide Area Information Servers z39.50 Z39.50 information access DLNA mailto:admin&dlna.org 2012-01-04 Mykyta Yevstifeyev mailto:evnikita2&gmail.com 2011-05-25 Alexey Melnikov mailto:alexey.melnikov&isode.com 2012-09-12 Dave Thaler mailto:dthaler&microsoft.com 2012-09-23 Bob Van Zant mailto:bob&veznat.com 2011-11-14 Peter Saint-Andre mailto:stpeter&jabber.org 2012-12-04