Application Configuration Access Protocol (acap)
Content Distribution Internetworking (cdi)
Electronic Data Interchange-Internet Integration (ediint)
Instant Messaging and Presence Protocol (impp)
Internet Message Access Protocol Extension (imapext)
Internet Printing Protocol (ipp)
Message Tracking Protocol (msgtrk)
Presence and Instant Messaging Protocol (prim)
Resource Capabilities Discovery (rescap)
Telnet TN3270 Enhancements (tn3270e)
Usenet Article Standard Update (usefor)
Voice Profile for Internet Mail (vpim)
Operation of the IESG/IAB Nominating and Recall Committees (nomcom)
Internationalized Domain Name (idn)
IP over Resilient Packet Rings (iporpr)
Layer Two Tunneling Protocol Extensions (l2tpext)
Point-to-Point Protocol Extensions (pppext)
Zero Configuration Networking (zeroconf)
Configuration Management with SNMP (snmpconf)
Ethernet Interfaces and Hub MIB (hubmib)
Network Access Server Requirements (nasreq)
Next Generation Structure of Management Information (sming)
Prefix Taxonomy Ongoing Measurement & Inter Network Experiment (ptomaine)
Resource Allocation Protocol (rap)
Site Multihoming in IPv6 (multi6)
Border Gateway Multicast Protocol (bgmp)
Inter-Domain Multicast Routing (idmr)
Multicast Source Discovery Protocol (msdp)
Routing Information Protocol (rip)
Source-Specific Multicast (ssm)
UniDirectional Link Routing (udlr)
An Open Specification for Pretty Good Privacy (openpgp)
Intrusion Detection Exchange Format (idwg)
IP Security Remote Access (ipsra)
Kerberized Internet Negotiation of Keys (kink)
Secure Network Time Protocol (stime)
Securely Available Credentials (sacred)
Transport Layer Security (tls)
XML Digital Signatures (xmldsig)
Media Gateway Control (megaco)