| WG | Area | Chartered | Concluded | Archive | Name |
|---|---|---|---|---|---|
| 16ng | int | 2006-Jun-28 | 2010-Jun-07 | www.ietf.org | IP over IEEE 802.16 Networks |
| 2000 | ops | 1997-Feb-26 | 2000-Jan-24 | listserv.surfnet.nl | The Internet and the Millennium Problem |
| 6bone | ops | 1997-Jan-15 | IPv6 Backbone | ||
| 6lowpan | int | 2005-Mar-08 | 2014-Jun-10 | www.ietf.org | IPv6 over Low power WPAN |
| 6renum | ops | 2011-Jun-14 | 2014-Jun-10 | www.ietf.org | IPv6 Site Renumbering |
| 822ext | app | 1991-Apr-15 | 1993-Oct-06 | Internet Message Extensions | |
| aaa | ops | 2008-Mar-28 | www.merit.edu | Authentication, Authorization and Accounting | |
| aac | sec | 1993-Jun-17 | 1995-Mar-15 | Authorization and Access Control | |
| acap | app | 1996-Nov-06 | 2004-Apr-29 | Application Configuration Access Protocol | |
| acct | mgt | 1990-Feb-15 | 1993-Apr-16 | Internet Accounting | |
| acct2 | ora | 2008-Mar-28 | |||
| addrconf | ipng | 1994-Nov-30 | 1996-Apr-15 | munnari.oz.au | Address Autoconfiguration |
| adslmib | ops | 1998-May-28 | 2014-Jun-10 | www.ietf.org | ADSL MIB |
| aft | sec | 1994-Oct-06 | 2002-Oct-09 | www.socks.nec.com | Authenticated Firewall Traversal |
| agentx | mgt | 1995-Nov-03 | 2002-Jun-03 | amethyst.bmc.com | SNMP Agent Extensibility |
| ale | ipng | 1994-Jan-13 | 1995-Mar-15 | Address Lifetime Expectations | |
| alertman | mgt | pre 2/1990 | 1990-Dec-15 | Alert Management | |
| ancp | int | 2006-Jul-03 | 2015-Mar-24 | www.ietf.org | Access Node Control Protocol |
| apex | app | 2001-Mar-12 | 2003-Apr-18 | lists.beepcore.org | Application Exchange |
| app | 2012-Jul-29 | Applications Area (app) | |||
| appleip | int | 1990-Feb-15 | 1996-Feb-24 | IP over Appletalk | |
| applmib | app | 1995-Nov-16 | 1999-Jul-27 | ietf.verio.net | Application MIB |
| arcmedia | app | 2015-Feb-09 | 2015-Jul-22 | www.ietf.org | 'Archive' Top-Level Media Type |
| armd | ops | 2011-Mar-21 | 2012-Oct-23 | www.ietf.org | Address Resolution for Massive numbers of hosts in the Data center |
| arts | usv | 2008-Mar-28 | |||
| asid | app | 1994-Jun-09 | 1999-Feb-26 | terminator.rs.itd.umich.edu | Access, Searching and Indexing of Directories |
| atm | int | 1991-Oct-17 | 1994-Apr-15 | IP over ATM | |
| atoca | rai | 2010-Aug-17 | 2012-Nov-14 | www.ietf.org | Authority-to-Citizen Alert |
| atommib | mgt | 1995-Feb-09 | 2004-Nov-02 | ftp.research.telcordia.com | AToM MIB |
| atompub | app | 2004-Jun-16 | 2008-Mar-28 | www.imc.org | Atom Publishing Format and Protocol |
| auth | pre jun-1988 | Authentication | |||
| autoconf | int | 2005-Oct-25 | 2012-Mar-06 | www.ietf.org | Ad-Hoc Network Autoconfiguration |
| avt | rai | 1992-Mar-05 | 2011-Mar-19 | www.ietf.org | Audio/Video Transport |
| beep | app | 2000-Jul-05 | 2002-Mar-24 | lists.beepcore.org | Blocks Extensible Exchange Protocol |
| behave | tsv | 2004-Sep-29 | 2014-Jun-10 | www.ietf.org | Behavior Engineering for Hindrance Avoidance |
| bgmp | rtg | 2008-Mar-28 | www.ietf.org | ||
| bgp | rtg | 1990-Sep-15 | 1994-Aug-15 | Border Gateway Protocol | |
| bgpdepl | ops | 1992-Mar-06 | 1994-Mar-10 | BGP Deployment and Application | |
| bliss | rai | 2007-Jun-26 | 2013-Feb-27 | www.ietf.org | Basic Level of Interoperability for SIP Services |
| bridge | ops | 2008-Mar-28 | www.ietf.org | Bridge MIB | |
| btns | sec | 2005-Apr-08 | 2010-Mar-16 | www.ietf.org | Better-Than-Nothing Security |
| calsch | app | 2008-Mar-28 | www.imc.org | ||
| calsify | app | 2005-Jul-28 | 2010-Dec-12 | lists.osafoundation.org | Calendaring and Scheduling Standards Simplification |
| capwap | ops | 2004-Jan-22 | 2010-May-10 | lists.frascone.com | Control And Provisioning of Wireless Access Points |
| cat | sec | 1991-Mar-15 | 2002-Jul-25 | ftp.ietf.org | Common Authentication Technology |
| catnip | ipng | 1994-Feb-22 | 1995-May-22 | world.std.com | Common Architecture for Next-Generation IP |
| cdi | app | 2001-Feb-18 | 2003-Jun-03 | ops.ietf.org | Content Distribution Internetworking |
| charmib | mgt | 1990-Aug-15 | 1992-Jul-27 | Character MIB | |
| chassis | mgt | 1992-Feb-20 | 1993-Jul-19 | Chassis MIB | |
| chronos | app | 1991-Jan-15 | 1992-Aug-29 | Distributed Scheduling Protocol | |
| cidrd | ops | 1994-Mar-10 | 1996-Dec-23 | aarnet.edu.au | CIDR Deployment |
| cip | int | 1988-Oct-15 | 1992-Sep-15 | Connection IP | |
| cipso | sec | 1991-Jan-22 | 1995-Mar-15 | Commercial Internet Protocol Security Option | |
| cmot | mgt | ?? | pre 12/1989 | OSI Internet Management | |
| cnrp | app | 1999-Sep-28 | 2002-Sep-19 | lists.netsol.com | Common Name Resolution Protocol |
| conex | tsv | 2010-Jun-03 | 2016-Jan-21 | mailarchive.ietf.org | Congestion Exposure |
| conneg | app | 1998-Feb-18 | 2000-Oct-05 | www.imc.org | Content Negotiation |
| crisp | app | 2009-Mar-13 | www.ietf.org | Cross Registry Information Service Protocol | |
| csi | int | 2008-Feb-13 | 2013-Feb-12 | www.ietf.org | Cga & Send maIntenance |
| cuss | rai | 2010-Aug-31 | 2015-Jan-26 | www.ietf.org | Call Control UUI Service for SIP |
| dart | rai | 2014-Jun-10 | 2014-Nov-13 | www.ietf.org | DiffServ Applied to Real-time Transports |
| dasl | app | 1998-Nov-23 | 2000-Apr-18 | lists.w3.org | DAV Searching and Locating |
| dccp | tsv | 2002-Jul-02 | 2012-Nov-27 | www.ietf.org | Datagram Congestion Control Protocol |
| ddniwg | ops | 1990-Aug-15 | 1991-Sep-05 | DDN Interconnectivity | |
| decade | tsv | 2010-Apr-27 | 2012-Sep-20 | www.ietf.org | Decoupled Application Data Enroute |
| decnetiv | mgt | 1990-May-15 | 1992-Jun-11 | Decnet Phase IV MIB | |
| deltav | app | 1999-Sep-28 | 2002-Mar-10 | lists.w3.org | Web Versioning and Configuration Management |
| dfs | hus | 1990-Feb-15 | 1993-Jun-18 | Distributed File Systems | |
| dice | sec | 2014-Jun-10 | 2016-Jan-25 | mailarchive.ietf.org | DTLS In Constrained Environments |
| diffserv | tsv | 1998-Feb-26 | 2003-Mar-11 | Differentiated Services | |
| disi | usv | 1991-Feb-15 | 1993-Feb-15 | Directory Information Services Infrastructure | |
| disman | ops | 2008-Mar-28 | www.ietf.org | Distributed Management | |
| dkim | sec | 2006-Jan-11 | 2011-Sep-26 | mipassoc.org | Domain Keys Identified Mail |
| dlswmib | mgt | 1995-Feb-26 | 2001-Apr-06 | host name | Data Link Switching MIB |
| dna | int | 2009-Oct-23 | ecselists.eng.monash.edu.au | Detecting Network Attachment | |
| dns | app | pre 12/1989 | 1994-Mar-22 | Domain Name System | |
| dnsext | int | 1999-Dec-16 | 2014-Jun-10 | www.ietf.org | DNS Extensions |
| dnsind | int | 1994-Jun-09 | 2000-Jan-26 | rs.internic.net | DNS IXFR, Notification, and Dynamic Update |
| dnssec | svap | 1994-Mar-04 | 1999-Dec-20 | ftp.tis.com | Domain Name System Security |
| domain | N/A | pre jun-1988 | pre 12/1989 | Domain | |
| drinks | art | 2008-Jun-13 | 2016-Apr-18 | mailarchive.ietf.org | Data for Reachability of Inter/tra-NetworK SIP |
| drums | app | 1995-May-22 | 2001-Apr-26 | cs.utk.edu | Detailed Revision/Update of Message Standards |
| e2md | ?? | ||||
| eai | app | 2006-Mar-17 | 2013-Mar-19 | www.ietf.org | Email Address Internationalization |
| eap | int | 2008-Jun-02 | mail.frascone.com | Extensible Authentication Protocol | |
| ecm | tsv | 1999-Oct-27 | 2001-Jun-29 | ftp.ietf.org | Endpoint Congestion Management |
| edi | app | 1994-May-23 | 1995-Jul-15 | ftp.sterling.com | Electonic Data Interchange |
| ediint | app | 2008-Mar-28 | www.imc.org | Electronic Data Interchange-Internet Integration | |
| egp3 | pre jun-1988 | EGP3 | |||
| eii | ops | 1994-Nov-01 | 1997-Jan-15 | Emergency Information Infrastructure | |
| eman | ops | 2010-Sep-28 | 2015-Jun-08 | www.ietf.org | Energy Management |
| emu | sec | 2006-Jan-20 | 2014-Jun-11 | www.ietf.org | EAP Method Update |
| end2end | ops | 1990-Jan-12 | 1990-Feb-15 | end-to-end user connectivity | |
| enroll | sec | 2008-Mar-28 | mailman.mit.edu | Credential and Provisioning | |
| entmib | ops | 2006-Feb-15 | 2008-Mar-28 | www.ietf.org | Entity MIB |
| enum | rai | 1999-Oct-29 | 2011-May-10 | www.ietf.org | Telephone Number Mapping |
| eos | o&m | 2001-Feb-07 | 2003-Apr-04 | ops.ietf.org | Evolution of SNMP |
| eppext | art | 2014-Jun-10 | 2016-Mar-16 | mailarchive.ietf.org | Extensible Provisioning Protocol Extensions |
| ethermib | mgt | pre aug-1991 | 1993-Feb-15 | Ethernet MIB | |
| fax | app | 1997-Jan-?? | 2005-Feb-24 | www.imc.org | Internet Fax |
| fddi | int | 1989-Oct-15 | 1993-Jan-15 | IP over FDDI | |
| fddimib | mgt | 1989-May-15 | 1993-Sep-15 | FDDI MIB | |
| fecframe | tsv | 2006-May-02 | 2013-Mar-06 | www.ietf.org | FEC Framework |
| find | app | 1995-Oct-30 | 1999-Aug-18 | ftp.bunyip.com | Common Indexing Protocol |
| forces | rtg | 2001-Jul-27 | 2015-Mar-24 | www.ietf.org | Forwarding and Control Element Separation |
| frnetmib | mgt | 1996-Mar-30 | 2002-Jan-09 | ftp.ietf.org | Frame Relay Service MIB |
| ftpext | app | 2008-Mar-28 | w3.hethmon.com | ||
| ftpext2 | app | 2010-Nov-23 | 2012-Apr-03 | www.ietf.org | FTP Extensions, 2nd edition |
| fyiup | usv | 1999-May-28 | 2001-Feb-19 | FYI Updates | |
| gen | 2012-Jul-29 | General Area (gen) | |||
| genarea | 2010-Oct-24 | GenArea | |||
| geopriv | rai | 2001-Jun-14 | 2014-Nov-07 | www.ietf.org | Geographic Location/Privacy |
| gisd | ora | 2008-Mar-28 | ftp.ripe.net | ||
| grip | ops | 1995-Feb-10 | 2002-Jan-03 | www-ext.eng.uu.net | Guidelines & Recomendations for Security Incident Processing |
| gsid | ops | 1993-Sep-24 | 1995-Oct-19 | Generic Internet Service Description | |
| gsmp | sub | 2008-Mar-28 | ftp.ietf.org | ||
| harts | usv | 1995-May-31 | 1997-Aug-01 | nfs | Humanities and Arts |
| hokey | sec | 2006-Oct-31 | 2012-Aug-02 | www.ietf.org | Handover Keying |
| hostmib | mgt | 1992-Jun-30 | 1993-Sep-21 | Host Resources MIB | |
| hostreq | pre jun-1988 | post jan-1989 | Internet Host Requirements | ||
| html | app | 1994-Nov-03 | 1996-Sep-16 | www.ics.uci.edu | HyperText Markup Language |
| http | app/tsv | 1995-Jan-27 | 2000-Oct-11 | www.ics.uci.edu | HyperText Transfer Protocol |
| httpstate | app | 2009-Dec-11 | 2011-May-19 | www.ietf.org | HTTP State Management Mechanism |
| hubmib | mgt | pre 9/1991 | 1993-Sep-14 | www.ietf.org | IEEE 802.3 Hub MIB |
| hybi | art | 2010-Jan-26 | 2016-Jan-04 | mailarchive.ietf.org | BiDirectional or Server-Initiated HTTP |
| iafa | usr | 1991-Nov-11 | 1994-May-25 | Internet Anonymous FTP Archives | |
| icar | gen | 2008-Mar-28 | www.ietf.org | Improved Cross-Area Review | |
| ident | sec | 1992-Apr-16 | 1993-Mar-15 | TCP Client Identity Protocol | |
| idmr | rtg | 2008-Mar-28 | ftp.ietf.org | Inter-Domain Multicast Routing | |
| idn | int | 2000-Feb-08 | 2003-Apr-03 | ops.ietf.org | Internationalized Domain Name |
| idnabis | app | 2008-Apr-15 | 2010-Mar-17 | www.alvestrand.no | Internationalized Domain Names in Applications, Revised |
| idpr | rtg | 1988-Oct-15 | 1995-Feb-23 | Inter-Domain Policy Routing | |
| ids | app | 1993-Feb-25 | 1998-Oct-15 | terminator.rs.itd.umich.edu | Integrated Directory Services |
| idwg | sec | 2008-Mar-28 | www.izerv.net | Intrusion Detection Exchange Format | |
| ieprep | tsv | 2002-Feb-22 | 2007-Sep-10 | www.ietf.org | Internet Emergency Preparedness |
| ifmib | int | 2008-Mar-28 | thumper.bellcore.com | ||
| iiir | usr/app | 1992-Sep-24 | 1995-Apr-11 | merit.edu | Integration of Internet Information Resources |
| imap | app | 1993-Jun-10 | 1995-May-05 | Interactive Mail Access Protocol | |
| imapext | app | 2008-Jun-17 | www.imc.org | Internet Message Access Protocol Extension | |
| imapmove | app | 2012-Jul-17 | 2013-Jan-31 | www.ietf.org | IMAP MOVE extension |
| imib | pre jun-1988 | Internet MIB | |||
| imm | tsv | 2008-Mar-28 | |||
| impp | app | 2008-Mar-28 | www.imppwg.org | ||
| imss | ops | 2009-Jan-15 | www.ietf.org | Internet and Management Support for Storage | |
| inch | sec | 2008-Mar-28 | listserv.surfnet.nl | Extended Incident Handling | |
| int | 2012-Jul-29 | Internet Area (int) | |||
| inter | 1988-Sep-15 | Interconnectivity | |||
| intserv | tsv | 1994-May-12 | 2000-Dec-21 | ftp.isi.edu | Integrated Services |
| ion | int/rtg | 1996-May-21 | 2000-Jun-16 | ftp.ietf.org | Internetworking Over NBMA |
| ip1394 | int | 1997-Jul-21 | 2000-Jun-19 | IP Over IEEE 1394 | |
| ipae | int | 1992-Oct-02 | 1993-May-15 | IP Address Encapsulation | |
| ipatm | int | 1994-Apr-15 | 1996-May-21 | ftp.hep.net | IP Over Asynchronous Transfer Mode |
| ipauth | sec | pre 7/1989 | 1991-Jan-15 | IP Authentication | |
| ipcdn | ops | 2009-Apr-02 | www.ietf.org | IP over Cable Data Network | |
| ipdvb | int | 2004-Jan-28 | 2011-Aug-02 | www.erg.abdn.ac.uk | IP over DVB |
| ipfc | int | 1998-May-28 | 2002-Jan-22 | IP over Fibre Channel | |
| ipfix | ops | 2001-Sep-27 | 2015-Mar-24 | www.ietf.org | IP Flow Information Export |
| ipidrp | rtg | 1992-Jun-30 | 1994-Aug-15 | OSI IDRP for IP over IP | |
| iplpdn | rtg | 1990-Oct-31 | 1993-Aug-23 | IP Over Large Public Data Networks | |
| ipngwg | ipng | 1994-Nov-17 | 2001-Dec-06 | playground.sun.com | IPng |
| ipo | sub | 2008-Mar-28 | www.bell-labs.com | ||
| ipoib | int | 2008-Mar-28 | www.ietf.org | IP over InfiniBand | |
| iporpr | int | 2008-Sep-30 | www.ietf.org | IP over Resilient Packet Rings | |
| ipp | app | 2008-Mar-28 | ftp.pwg.org | ||
| ippcp | int | 1997-Jul-21 | 1999-Sep-15 | ftp-eng.cisco.com | IP Payload Compression Protocol |
| ipr | gen | 2008-Nov-12 | www.ietf.org | Intellectual Property Rights | |
| ips | tsv | 2000-Sep-25 | 2007-Nov-01 | www.ietf.org | IP Storage |
| ipsec | sec | 2008-Mar-28 | www.ietf.org | IP Security Protocol | |
| ipseckey | sec | 2008-Mar-28 | www.ietf.org | IPSEC KEYing information resource record | |
| ipsp | sec | 2008-Mar-28 | www.vpnc.org | IP Security Policy | |
| ipsra | sec | 2000-Mar-10 | 2003-May-13 | www.vpnc.org | IP Security Remote Access |
| iptel | rai | 1998-Feb-26 | 2009-Mar-13 | www.ietf.org | IP Telephony |
| ipv6 | int | 2008-Mar-28 | www.ietf.org | IP Version 6 Working Group | |
| ipv6mib | int | 1995-Mar-15 | 1997-Oct-15 | research.ftp.com | IPv6 MIB |
| ipvbi | int | 1998-Mar-16 | 1999-Dec-20 | IP over VBI | |
| ire | ora | 2008-Mar-28 | ftp.apnic.net | ||
| iri | app | 2010-Jan-26 | 2013-Jan-19 | lists.w3.org | Internationalized Resource Identifiers |
| isdnmib | mgt | 1995-May-22 | 1998-Feb-18 | ftp-eng.cisco.com | ISDN MIB |
| isms | sec | 2004-Sep-23 | 2011-Aug-13 | www.ietf.org | Integrated Security Model for SNMP |
| isn | usr | 1991-Oct-17 | 1998-Sep-08 | Internet School Networking | |
| ispp | sec | 2008-Mar-28 | ftp.bellcore.com | ||
| issll | tsv | 1996-May-23 | 2002-May-13 | mercury.lcs.mit.edu | Integrated Services over Specific Link Layers |
| itrace | int | 2008-Mar-28 | www.research.att.com | ||
| iup | hus | pre 12/1989 | 1990-Nov-15 | Internet User Population | |
| iwg | rtg | 1989-Jan-15 | 1990-Sep-15 | Interconnectivity | |
| jcardcal | app | 2013-Apr-11 | 2014-Jun-11 | www.ietf.org | JSON data formats for vCard and iCalendar |
| jomann | ops | pre jan-1989 | 1992-Jan-01 | Joint NSFnet Regional Monitoring | |
| json | app | 2013-May-31 | 2015-Mar-24 | www.ietf.org | JavaScript Object Notation |
| karp | rtg | 2010-Feb-22 | 2014-Jun-11 | www.ietf.org | Keying and Authentication for Routing Protocols |
| keyprov | sec | 2007-Jan-30 | 2010-Dec-21 | www.ietf.org | Provisioning of Symmetric Keys |
| kink | sec | 2008-Mar-28 | www.vpnc.org | Kerberized Internet Negotiation of Keys | |
| krb- | 2010-Oct-21 | ||||
| krb-wg | sec | 2000-Jul-13 | 2013-Mar-19 | lists.anl.gov | Kerberos |
| l1vpn | rtg | 2005-Jun-29 | 2009-Mar-27 | www.ietf.org | Layer 1 Virtual Private Networks |
| l2vpn | rtg | 2003-Jul-03 | 2014-Nov-20 | www.ietf.org | Layer 2 Virtual Private Networks |
| l3vpn | rtg | 2003-Jul-03 | 2014-Oct-22 | www.ietf.org | Layer 3 Virtual Private Networks |
| landmark | 1998-Jun-15 | Landmark Routing | |||
| lanman | mgt | pre 2/1990 | 1991-Mar-15 | LAN Manager | |
| ldapbis | app | 2008-Mar-28 | www.openldap.org | LDAP (v3) Revision | |
| ldapext | app | 1997-Nov-07 | 2003-Apr-04 | ftp.ietf.org | LDAP Extension |
| ldup | app | 2008-Mar-28 | www.imc.org | ||
| ledbat | tsv | 2008-Nov-11 | 2012-Dec-21 | www.ietf.org | Low Extra Delay Background Transport |
| lemonade | app | 2010-Feb-11 | www.ietf.org | Enhancements to Internet email to Support Diverse Service Environments | |
| list | app | 1991-Aug-01 | 1992-Oct-16 | Automated Internet Mailing List Services | |
| lsd | o&m | 1998-Jan-22 | 1998-Nov-25 | ftp.umu.se | LDAP Service Deployment |
| lsdtrip | rai | 2010-Jul-16 | 2010-Jul-16 | www.ietf.org | Loosely-coupled SIP Devices Transfering and Receiving IP Packets |
| lsma | app | 1996-Dec-23 | 2000-Feb-14 | Large Scale Multicast Application | |
| ltans | sec | 2003-Oct-20 | 2011-Jul-20 | www.ietf.org | Long-Term Archive and Notary Services |
| ltru | app | 2005-Mar-08 | 2009-Nov-30 | www.ietf.org | Language Tag Registry Update |
| madman | mgt | 1995-Mar-15 | 2000-Apr-18 | innosoft.com | Mail and Directory Management |
| magma | int | 2009-Mar-10 | www.ietf.org | Multicast & Anycast Group Membership | |
| mailext | app | 1994-Jul-21 | 1996-Jun-20 | Mail Extensions | |
| malloc | tsv | 1998-May-28 | 2003-Jul-08 | Multicast-Address Allocation | |
| marf | app | 2010-Jan-26 | 2012-Jun-26 | www.ietf.org | Messaging Abuse Reporting Format |
| marid | app | 2004-Apr-08 | 2008-Mar-28 | www.imc.org | |
| martini | rai | 2009-Dec-22 | 2011-Mar-09 | www.ietf.org | Multiple AoR reachabiliTy InformatioN Indication |
| mediactrl | rai | 2007-Mar-20 | 2014-Jun-10 | www.ietf.org | Media Server Control |
| megaco | tsv | 1999-Jan-22 | 2006-Mar-27 | www.ietf.org | Media Gateway Control |
| mext | int | 2007-Nov-26 | 2012-Jan-10 | www.ietf.org | Mobility EXTensions for IPv6 |
| mhsds | app | 1992-Jan-23 | 1995-Mar-15 | MHS-DS | |
| mhtml | app | 1996-Apr-04 | 1999-Jun-25 | segate.sunet.se | MIME Encapsulation of Aggregate HTML Documents |
| midcom | tsv | 2001-Jan-16 | 2008-Apr-01 | www.ietf.org | Middlebox Communication |
| mif | int | 2009-Apr-28 | 2016-May-10 | mailarchive.ietf.org | Multiple Interfaces |
| mimemhs | osi/app | 1992-Apr-16 | 1993-Sep-24 | MIME-MHS Interworking | |
| mimesgml | app | 1995-Jan-13 | 1996-May-15 | ftp.naggum.no | Standard Generalized Markup Language |
| mip4 | int | 2003-Aug-21 | 2015-Aug-27 | mailarchive.ietf.org | Mobility for IPv4 |
| mip6 | int | 2008-Mar-28 | www.ietf.org | Mobility for IPv6 | |
| mipshop | int | 2003-Oct-20 | 2010-Sep-17 | www.ietf.org | Mobility for IP: Performance, Signaling and Handoff Optimization |
| mixer | app | 1995-Jun-27 | 1998-Mar-17 | ftp.innosoft.com | MIME - X.400 Gateway |
| mmb | int | 1990-Oct-15 | 1993-Jan-14 | Multi-Media Bridge | |
| mobike | sec | 2008-Mar-28 | www.machshav.com | IKEv2 Mobility and Multihoming | |
| mobileip | int | 2008-Mar-28 | playground.sun.com | ||
| modemmgt | mgt | 1993-Feb-15 | 1994-Aug-25 | Modem Management | |
| monami6 | int | 2005-Oct-20 | 2008-Mar-28 | www.ietf.org | Mobile Nodes and Multiple Interfaces in IPv6 |
| morg | app | 2009-Jan-13 | 2011-Mar-21 | www.ietf.org | Message Organization |
| mospf | rtg | 1990-Oct-15 | 2001-May-21 | Multicast Extensions to OSPF | |
| mpsnmp | mgt | 1992-Apr-15 | 1993-Mar-15 | SNMP over a Multi-protocol Internet | |
| mptrans | int | 2008-Mar-28 | |||
| msdp | rtg | 2008-Mar-28 | ns.uoregon.edu | ||
| msec | sec | 2001-Feb-08 | 2011-Oct-17 | www.ietf.org | Multicast Security |
| msgtrk | app | 2008-Mar-28 | www.imc.org | ||
| msgway | int | 1995-Jul-06 | 1996-Sep-05 | ftp.isi.edu | MessageWay |
| msi | mgt | 1989-Oct-15 | 1991-Aug-01 | Management Services Interface | |
| mtudisc | int | pre 12/1989 | 1990-Sep-15 | Maximum Transmission Unit Discovery | |
| multi6 | ops | 2008-Mar-28 | ops.ietf.org | Site Multihoming in IPv6 | |
| multimob | int | 2009-Sep-09 | 2014-Dec-01 | www.ietf.org | Multicast Mobility |
| nasreq | ops | 2008-Mar-28 | ops.ietf.org | ||
| nat | tsv | 1998-Mar-06 | 2002-Feb-06 | ftp.ietf.org | Network Address Translators |
| nea | sec | 2006-Oct-31 | 2014-Jun-11 | www.ietf.org | Network Endpoint Assessment |
| nemo | int | 2008-Mar-28 | www.ietf.org | Network Mobility | |
| netdata | app | 1991-Mar-15 | 1994-Mar-04 | Network Database | |
| netext | int | 2009-May-20 | 2016-May-11 | mailarchive.ietf.org | Network-Based Mobility Extensions |
| netfax | app | 1990-Jul-16 | 1992-Oct-16 | Network Fax | |
| netgraph | hus | 1990-Feb-07 | pre 12-1990 | Network Graphics | |
| netlmm | int | 2006-Jan-11 | 2010-Oct-06 | www.ietf.org | Network-based Localized Mobility Management |
| netman | mgt | pre jun-1988 | 1989-Dec-15 | OSI Internet Management - see osi wg | |
| netstat | ops | 1992-May-15 | 1996-May-17 | Network Status Reports | |
| newdom | ora | 2008-Mar-28 | |||
| newtrk | gen | 2008-Mar-28 | darkwing.uoregon.edu | New IETF Standards Track Discussion | |
| ngtrans | ipng | 1994-Dec-23 | 2003-Feb-15 | ftp.ietf.org | New Generation Transition |
| nimrod | rtg | 1994-Aug-15 | 1998-Mar-23 | bbn.com | New Internet Routing and Addressing Architecture |
| nir | usr/app | 1992-Sep-24 | 1994-Aug-17 | Networked Information Retrieval | |
| nisi | hus | 1990-Feb-15 | 1995-Aug-10 | Network Information Services Infrastructure | |
| njm | ops | 1990-Feb-15 | 1994-Apr-15 | Network Joint Management | |
| nntp | app | 1991-Apr-15 | 1993-Oct-20 | Network News Transport Protocol | |
| nntpext | app | 2008-Mar-28 | lists.eyrie.org | NNTP Extensions | |
| noctool2 | usv | 1990-Dec-15 | 1993-Jun-25 | NOC Tools Catalogue Revisions | |
| noctools | hus | pre 7/1989 | 1990-Apr-15 | NOC Tools | |
| nomcom | gen | 2008-Mar-28 | lists.elistx.com | ||
| noop | osi | 1991-Mar-15 | 1994-Apr-15 | Network OSI Operations | |
| notary | app | 1994-Feb-17 | 1995-Nov-13 | Notifications and Acknowledgments Requirements | |
| npp | app | 1990-Feb-15 | 1994-Feb-18 | Network Printing Protocol | |
| nsis | tsv | 2001-Nov-30 | 2011-Mar-17 | www.ietf.org | Next Steps in Signaling |
| oda | osi | 1991-Mar-15 | 1993-Apr-19 | Office Document Architecture | |
| odv | rtg | 1989-Jul-15 | 1990-May-15 | Open Distance Vector IGP | |
| oim | mgt | 1989-Oct-15 | 1992-Apr-15 | OSI Internet Management | |
| oinoc | pre jun-1988 | Open INOC | |||
| oncrpc | svapp | 1994-Mar-13 | 2001-Jan-23 | playground.sun.com | ONC Remote Procedure Call |
| opes | app | 2008-Mar-28 | www1.ietf.org | Open Pluggable Edge Services | |
| ops | 2006-Mar-28 | ||||
| opstat | ops | 1990-Dec-15 | 1995-Aug-06 | wuarchive.wustl.edu | Operational Statistics |
| orwg | rtg | pre 3/1990 | pre feb-1991 | Open Systems Routing | |
| osids | osi | 1990-Oct-15 | 1994-Nov-04 | OSI Directory Services | |
| osigen | osi | 1989-Jan-15 | 1992-Jun-10 | OSI General | |
| osigp | 1988-Mar-15 | ?? | Open SPF-based IGP | ||
| osinsap | osi | 1990-Jan-19 | 1991-Mar-15 | OSI NSAP Guidelines | |
| ositi | pre jun-1988 | OSI Technical Issues | |||
| osix400 | osi | 1990-Feb-15 | 1991-Aug-01 | OSI X.400 | |
| osr | pre jun-1988 | Open Systems Routing | |||
| otp | sec | 1995-Jun-10 | 2002-Oct-29 | ftp.research.telcordia.com | One Time Password Authentication |
| pana | int | 2009-Dec-04 | www.ietf.org | Protocol for carrying Authentication for Network Access | |
| paws | app | 2011-Jun-14 | 2015-May-22 | www.ietf.org | Protocol to Access WS database |
| pcc | int | pre jun-1988 | 1991-Jan-15 | Performance and Congestion Control | |
| pcn | tsv | 2007-Feb-28 | 2012-Jul-20 | www.ietf.org | Congestion and Pre-Congestion Notification |
| pdnrout | rtg | pre jun-1988 | 1990-Oct-31 | Private Data Network Routing | |
| pem | sec | 1991-Aug-01 | 1996-Feb-09 | Privacy-Enhanced Electronic Mail | |
| pier | ops | 1996-Jan-04 | 1998-Jun-29 | ftp.isi.edu | Procedures for Internet/Enterprise Renumbering |
| pilc | tsv | 1999-Apr-28 | 2004-Jan-08 | www.ietf.org | Performance Implications of Link Characteristics |
| pint | tsv | 1997-Jul-24 | 2001-Feb-12 | www.bell-labs.com | PSTN and Internet Internetworking |
| pip | int | 1992-Oct-02 | 1994-Feb-22 | P Internet Protocol | |
| pki4ipse | sec | 2006-Mar-28 | honor.icsalabs.com | Profiling Use of PKI in IPSEC | |
| pki4ipsec | sec | 2008-Mar-28 | honor.icsalabs.com | Profiling Use of PKI in IPSEC | |
| pkix | sec | 1995-Oct-26 | 2014-Jun-10 | www.ietf.org | Public-Key Infrastructure (X.509) |
| pktway | int | 1996-Sep-05 | 1999-Aug-11 | ftp.isi.edu | PacketWay |
| pmol | ops | 2007-Nov-14 | 2011-Aug-24 | www.ietf.org | Performance Metrics for Other Layers |
| pmtud | tsv | 2007-Ar-04 | www.ietf.org | Path MTU Discovery | |
| pmutd | 2010-Oct-21 | ||||
| poised | gen | 1994-Apr-15 | 1995-Jul-13 | Process for Organization of Internet Standard | |
| poised95 | gen | 1995-Jul-13 | 1996-Mar-15 | tis.com | Process for Organization of Internet Standards |
| poisson | gen | 1996-Jul-25 | 2001-Oct-29 | ftp.tis.com | Process for Organization of Internet Standards ONgoing |
| policy | ops | 2008-Mar-28 | www.ietf.org | ||
| pop | app | 2008-Mar-28 | |||
| ppp | int | pre jan-1989 | 1989-Nov-15 | Point-to-Point Protocol | |
| pppext | int | 1989-Oct-15 | 2014-Jun-10 | www.ietf.org | Point-to-Point Protocol Extensions |
| ppsp | tsv | 2010-Mar-24 | 2016-Jan-13 | mailarchive.ietf.org | Peer to Peer Streaming Protocol |
| ppvpn | sub | 2008-Mar-28 | ppvpn.francetelecom.com | ||
| prim | app | 2001-Jul-30 | 2003-Apr-01 | www.imppwg.org | Presence and Instant Messaging Protocol |
| printmib | app | 1994-Jan-31 | 2000-Apr-18 | www.pwg.org | Printer MIB |
| problem | gen | 2008-Mar-28 | www.alvestrand.no | ||
| provreg | app | 2001-Jan-?? | 2004-Apr-05 | www.cafax.se | Provisioning Registry Protocol |
| psamp | ops | 2009-Aug-21 | www.ietf.org | Packet Sampling | |
| ptomaine | ops | 2008-Mar-28 | www.shrubbery.net | ||
| ptopomib | mgt | 1996-Oct-29 | 2000-Oct-03 | Physical Topology MIB | |
| ptpt | N/A | pre jun-1988 | pre-jan-1989 | Pt-Pt Protocol | |
| pwe3 | rtg | 2001-Mar-14 | 2014-Nov-20 | www.ietf.org | Pseudowire Emulation Edge to Edge |
| qosr | rtg | 1997-Feb-20 | 1999-Apr-06 | QoS Routing | |
| qresync | app | 2013-Apr-29 | 2014-Jun-11 | www.ietf.org | IMAP QRESYNC Extension |
| quis | app | 1994-Nov-15 | 1995-May-05 | Quality Information Services | |
| radius | ops | 1996-Jan-04 | 2000-Jul-07 | ftp.livingston.com | Remote Authentication Dial-In User Service |
| rai | 2012-Jul-29 | Real-time Applications and Infrastructure Area (rai) | |||
| rap | ops | 2008-Mar-28 | ops.ietf.org | Resource Allocation Protocol | |
| rdbmsmib | mgt | 1994-Jan-31 | 1994-Aug-23 | Relational Database Management Systems MIB | |
| rddp | tsv | 2002-Jun-27 | 2007-Nov-02 | www.ietf.org | Remote Direct Data Placement |
| rdisc | int | 2008-Mar-28 | |||
| receipt | app | 1995-Aug-06 | 1998-Apr-29 | cs.utk.edu | Receipt Notifications for Internet Mail |
| repute | app | 2011-Nov-07 | 2014-Jun-10 | www.ietf.org | Reputation Services |
| rescap | app | 2008-Mar-28 | cs.utk.edu | ||
| rip | rtg | 1995-Feb-26 | 2003-Jun-17 | xylogics.com | Routing Information Protocol |
| ripag | pre jun-1988 | RIP Advisory Group | |||
| ripv2 | rtg | 1993-May-28 | 1995-Feb-26 | xylogics.com | RIP Version II |
| rlanmib | mgt | 1990-Aug-15 | pre 1-1992 | Remote LAN Monitoring | |
| rmonmib | ops | 2008-Mar-28 | www.ietf.org | Remote Network Monitoring | |
| rmt | tsv | 1999-Apr-22 | 2014-Jun-10 | www.ietf.org | Reliable Multicast Transport |
| roamops | ops | 1996-Nov-25 | 2001-Jan-24 | ftp-no.rutgers.edu | Roaming Operations |
| rohc | tsv | 2000-Apr-13 | 2010-Mar-16 | www.ietf.org | Robust Header Compression |
| rolc | rtg | 1993-Oct-21 | 1996-May-15 | cnri.reston.va.us | Routing over Large Clouds |
| rps | ops | 1995-Jun-27 | 2000-Feb-14 | ftp.isi.edu | Routing Policy System |
| rpsec | rtg | 2009-Mar-27 | www.ietf.org | Routing Protocol Security Requirements | |
| rreq | int | 1989-Oct-15 | 1995-May-24 | Router Requirements | |
| rserpool | tsv | 2000-Dec-05 | 2009-Apr-27 | www.ietf.org | Reliable Server Pooling |
| rsvp | tsv | 1993-Dec-22 | 2001-May-03 | ftp.isi.edu | Resource Reservation Setup Protocol |
| rtfm | ops | 1996-Jan-26 | 2000-Oct-01 | ftp.auckland.ac.nz | Realtime Traffic Flow Measurement |
| rtg | 2012-Jul-29 | Routing Area (rtg) | |||
| run | usv | 1994-Oct-06 | 1995-Oct-20 | ftp.intel.com | Responsible Use of the Network |
| rwhois | o&m | 1995-Mar-15 | 1998-Sep-25 | rs.internic.net | RWhois Operational Development |
| saag | 2009-Jul-12 | ||||
| sacred | sec | 2008-Mar-28 | www.imc.org | Securely Available Credentials | |
| salud | rai | 2010-Jul-13 | 2015-Feb-03 | www.ietf.org | Sip ALerting for User Devices |
| sasl | sec | 2002-Dec-12 | 2010-Aug-23 | www.ietf.org | Simple Authentication and Security Layer |
| schema | app | 1997-Nov-24 | 2000-Feb-14 | www.imc.org | Schema Registration |
| sdr | rtg | 1993-Mar-19 | 1998-Mar-23 | catarina.usc.edu | Source Demand Routing |
| seamoby | tsv | pre oct-2001 | 2004-Oct-04 | www.ietf.org | Context Transfer, Handoff Candidate Discovery, and Dormant Mode Host Alerting |
| sec | 2012-Jul-29 | Security Area (sec) | |||
| secsh | sec | 2008-Mar-28 | ftp.ietf.org | Secure Shell | |
| send | int | 2008-Mar-28 | standards.ericsson.net | ||
| shim6 | int | 2005-Jun-29 | 2011-Aug-02 | www.ietf.org | Site Multihoming by IPv6 Intermediation |
| shr | hus | 1990-Aug-15 | 1992-Apr-15 | Special Host Requirements | |
| sieve | app | 2004-Nov-24 | 2012-Nov-14 | www.ietf.org | Sieve Mail Filtering Language |
| sigtran | rai | 1998-Nov-23 | 2009-Mar-19 | www.ietf.org | Signaling Transport |
| simple | rai | 2001-Mar-08 | 2013-Feb-27 | www.ietf.org | SIP for Instant Messaging and Presence Leveraging Extensions |
| sip | rai | 1993-Jan-15 | 2009-May-01 | www.ietf.org | Session Initiation Protocol |
| sipclf | rai | 2009-Sep-15 | 2013-Feb-20 | www.ietf.org | SIP Common Log Format |
| sipp | ipng | 1994-Feb-22 | 1994-Nov-18 | Simple Internet Protocol Plus | |
| sipping | rai | 2001-Nov-02 | 2009-May-01 | www.ietf.org | Session Initiation Proposal Investigation |
| skinstak | osi | 2008-Mar-28 | |||
| smds | int | pre 2/1990 | 1990-Dec-15 | IP over Switched Megabyte Data Service | |
| smime | sec | 1997-Nov-06 | 2010-Oct-12 | www.ietf.org | S/MIME Mail Security |
| sming | o&m | 2000-Nov-15 | 2003-Apr-04 | ops.ietf.org | Next Generation Structure of Management Information |
| smtpext | app | 1990-Dec-15 | 1993-Mar-15 | list.cren.net: | Internet Mail Extensions |
| snadlc | mgt | 1993-May-13 | 2001-Apr-06 | SNA DLC Services MIB | |
| snanau | mgt | 1993-May-13 | 1999-Jun-09 | ftp.cisco.com | SNA NAU Services MIB |
| snmp | mgt | 1987-Feb-15 | 1991-Nov-15 | Simple Network Management Protocol | |
| snmp-ng | ora | 2008-Mar-28 | ftp.tis.com | ||
| snmpauth | sec | pre 3/1990 | 1990-Dec-15 | SNMP Authentication | |
| snmpconf | ops | 2008-Mar-28 | Configuration Management with SNMP | ||
| snmpext | N/A | pre jun-1988 | pre-oct-1988 | SNMP Extensions | |
| snmpsec | sec | 1991-Mar-15 | 1993-May-03 | SNMP Security | |
| snmpv2 | mgt | 1994-Oct-06 | 1995-Dec-15 | ftp.tis.com | SNMP v2 |
| snmpv3 | ops | 2008-Mar-28 | ftp.tislabs.com | ||
| soc | rai | 2010-May-11 | 2015-Feb-02 | www.ietf.org | SIP Overload Control |
| speechsc | rai | 2002-Jun-28 | 2012-Nov-13 | www.ietf.org | Speech Services Control |
| speermint | rai | 2006-Feb-08 | 2011-Nov-07 | www.ietf.org | Session PEERing for Multimedia INTerconnect |
| spfbis | app | 2012-Feb-07 | 2014-Jun-10 | www.ietf.org | SPF Update |
| spirits | tsv | 1999-Oct-27 | 2005-May-05 | www.bell-labs.com | Service in the PSTN/IN Requesting InTernet Service |
| spki | sec | 1997-Jan-29 | 2001-Feb-10 | Simple Public Key Infrastructure | |
| splices | rai | 2010-Jul-16 | 2012-Jan-26 | www.ietf.org | looSely-couPLed sIp deviCES |
| spwg | sec | 1990-Feb-15 | 1991-Aug-15 | Security Policy | |
| ssh | usv | 1994-Nov-17 | 1999-Feb-08 | info.cert.org | Site Security Handbook |
| ssm | rtg | 2008-Mar-28 | www.ietf.org | Source-Specific Multicast | |
| ssphwg | sec | 1990-Mar-26 | 1991-Aug-01 | Site Security Policy Handbook | |
| st-coip | N/A | pre jun-1988 | ST and CO-IP | ||
| st2 | int | 1993-Oct-08 | 1996-Mar-15 | ftp.bbn.com | Internet Stream Protocol |
| stdguide | ops/usv | 1995-Oct-30 | 1998-Jul-31 | ftp.midnight.com | Guide for Internet Standards Writers |
| stime | sec | 2008-Mar-28 | www.nist.gov | ||
| storm | tsv | 2009-Aug-04 | 2016-Feb-24 | mailarchive.ietf.org | STORage Maintenance |
| str | pre jun-1988 | Short Term Routing | |||
| svrloc | tsv | 1990-Dec-15 | 2001-May-31 | www.srvloc.org | Service Location Protocol |
| syslog | sec | 2000-May-18 | 2010-Oct-26 | www.ietf.org | Security Issues in Network Event Logging |
| tcpimpl | tsv | 1997-Feb-06 | 2000-Oct-05 | tcp-impl.grc.nasa.gov | TCP Implementation |
| tcplw | hus | 1990-Jan-01 | 1998-Apr-21 | TCP Large Windows | |
| tcpsat | tsv | 1997-Jul-10 | 2000-Feb-08 | tcpsat.grc.nasa.gov | TCP Over Satellite |
| telnet | app | 1989-Jun-15 | 1994-Nov-28 | Telnet | |
| telnet-lm | pre jun-1988 | Telnet Linemode | |||
| tewg | ops | 1990-Jan-30 | 1991-Aug-01 | ops.ietf.org | Topology Engineering |
| tftpexts | app | 1994-Oct-06 | 1995-Mar-15 | TFTP Extensions | |
| thinosi | app | 1993-Feb-01 | 1994-Oct-26 | Minimal OSI Upper-Layers | |
| tip | app | 1997-Jul-21 | 1998-Oct-23 | Transaction Internet Protocol | |
| tn3270e | app | 1997-Mar-24 | 2004-Feb-24 | Telnet TN3270 Enhancements | |
| tnfs | tsv | 1991-Aug-01 | 1996-Jan-15 | Trusted Network File Systems | |
| tpix | int | 1993-May-28 | 1994-Feb-22 | TP/IX | |
| trade | app | 2008-Mar-28 | lists.eListX.com | Internet Open Trading Protocol | |
| trainmat | usr | 1993-Feb-25 | 1996-Oct-15 | mailbase.ac.uk | Network Training Materials |
| transmib | mgt | pre 2/1990 | 1990-Dec-15 | Transmission Mib | |
| trmon | mgt | 1992-Feb-06 | 1993-Sep-22 | Token Ring Remote Monitoring | |
| trunkmib | mgt | 1995-Jul-01 | 1999-Feb-15 | DS1/DS3 Revision MIB | |
| tsv | 2012-Jul-17 | 2012-Jul-18 | |||
| tuba | int | 1992-Oct-15 | 1995-May-22 | TCP/UDP Over CLNP-Addressed Networks | |
| tzdist | art | 2014-Aug-08 | 2016-Apr-02 | mailarchive.ietf.org | Time Zone Data Distribution Service |
| ucp | hus | 1990-Feb-15 | 1994-Mar-21 | User Connectivity Problems | |
| udlr | rtg | 2008-Mar-28 | www.udcast.com | ||
| upsmib | o&m | pre 4-dec-1995 | 1999-Apr-05 | Uninterruptible Power Supply | |
| urc | app | 2008-Mar-28 | ftp.gatech.edu | ||
| uri | usr/app | 1992-Sep-24 | 1995-Aug-02 | Universal Resource Identifiers | |
| urlreg | app | 1997-Jul-15 | 1999-Nov-15 | www.imc.org | Uniform Resource Locator Registration Procedures |
| urn | app | 1996-Sep-24 | 2002-Oct-22 | lists.netsol.com | Uniform Resource Names |
| usefor | app | 2009-Mar-13 | www.imc.org | Usenet Article Standard Update | |
| userdoc | hus | pre 2/1990 | 1990-Mar-15 | User Documents | |
| userdoc2 | usv | 1992-Mar-15 | 1994-Aug-10 | User Documents Revisions | |
| userglos | usv | 2008-Mar-28 | xylogics.com | ||
| usergloss | usv | 1990-Dec-20 | 1993-Jan-15 | Internet User Glossary Working Group | |
| uswg | hus | 1989-Jan-15 | 2002-Oct-21 | www.isc.org | User Services |
| vcarddav | app | 2012-Nov-14 | www.ietf.org | vCard and CardDAV | |
| vgmib | mgt | 1995-May-22 | 1998-Jan-27 | rosegarden.external.hp.com | 100VG-AnyLAN MIB |
| vipr | rai | 2011-Mar-27 | 2014-Jun-10 | www.ietf.org | Verification Involving PSTN Reachability |
| vnrg | app | 2010-Feb-20 | Virtual Network Research Group | ||
| vpim | app | 2008-Mar-28 | www.ietf.org | Voice Profile for Internet Mail | |
| vrrp | rtg | 1997-Jun-12 | 2011-Jun-15 | www.ietf.org | Virtual Router Redundancy Protocol |
| vwrap | app | 2009-Sep-29 | 2011-May-19 | www.ietf.org | Virtual World Region Agent Protocol |
| webdav | app | 2008-Mar-28 | lists.w3.org | WWW Distributed Authoring and Versioning | |
| webi | app | 2001-Jan-16 | 2002-Jun-03 | www.wrec.org | Web Intermediaries |
| websec | app | 2010-Oct-12 | 2015-Apr-21 | www.ietf.org | Web Security |
| weird | usv | 1999-May-17 | 2001-Feb-19 | www.imc.org | Web Elucidation of Internet-Related Developments |
| weirds | app | 2012-May-15 | www.ietf.org | Web Extensible Internet Registration Data Service | |
| wg | 2010-Apr-13 | ||||
| wg-msg | app | 2008-Mar-28 | |||
| whip | app | 1994-Jun-09 | 1995-Jun-22 | ftp.es.net | Internet White Pages Requirements |
| widex | app | 2005-Oct-24 | 2008-Mar-28 | www.ietf.org | Widget Description Exchange Service |
| wnils | usr/app | 1992-Sep-25 | 1996-Feb-21 | ucdavis.edu | Whois and Network Information Lookup Service |
| wpkops | ops | 2013-Apr-11 | 2015-May-22 | www.ietf.org | Web PKI OPS |
| wrec | app | 1999-Mar-08 | 2001-Mar-30 | cs.utk.edu | Web Replication and Caching |
| wts | sec | 1995-May-22 | 2001-Jul-16 | www-ns.rutgers.edu | Web Transaction Security |
| x25mib | mgt | 1991-Mar-15 | 1993-May-27 | X.25 Management Information Base | |
| x400ops | osi | 1991-Feb-15 | 1994-Jun-15 | X.400 Operations | |
| xcon | rai | 2003-Oct-07 | 2011-Sep-26 | www.ietf.org | Centralized Conferencing |
| xmldsig | sec | 2008-Mar-28 | lists.w3.org | ||
| xmpp | art | 2009-May-29 | 2015-Sep-14 | mailarchive.ietf.org | Extensible Messaging and Presence Protocol |
| yam | app | 2009-May-26 | 2011-Nov-29 | www.ietf.org | Yet Another Mail |
| zeroconf | int | 2008-Mar-28 | www.merit.edu |


WGs marked with an