| 5920 | Security Framework for MPLS and GMPLS NetworksL. Fang, Ed. | Informational | July 2010 |
| 4777 | IBM's iSeries Telnet EnhancementsT. Murphy Jr., P. Rieth, J. Stevens | Informational | November 2006 |
| 3795 | Survey of IPv4 Addresses in Currently Deployed IETF Application Area Standards Track and Experimental DocumentsR. Sofia, P. Nesser, II | Informational | June 2004 |
| 3467 | Role of the Domain Name System (DNS)J. Klensin | Informational | March 2003 |
| 2951 | TELNET Authentication Using KEA and SKIPJACKR. Housley, T. Horting, P. Yee | Informational | September 2000 |
| 2942 | Telnet Authentication: Kerberos Version 5T. Ts'o | Proposed Standard | September 2000 |
| 2877 | 5250 Telnet EnhancementsT. Murphy Jr., P. Rieth, J. Stevens · obsoleted by RFC 4777 | Informational | July 2000 |
| 2840 | TELNET KERMIT OPTIONJ. Altman, F. da Cruz | Informational | May 2000 |
| 2839 | Internet Kermit ServiceF. da Cruz, J. Altman | Informational | May 2000 |
| 2788 | Network Services Monitoring MIBN. Freed, S. Kille | Proposed Standard | March 2000 |
| 2246 | The TLS Protocol Version 1.0T. Dierks, C. Allen · obsoleted by RFC 4346 | Historic | January 1999 |
| 2066 | TELNET CHARSET OptionR. Gellens | Experimental | January 1997 |
| 1205 | 5250 Telnet interfaceP. Chmielewski | Informational | February 1991 |
| 1184 | Telnet Linemode OptionD.A. Borman | Draft Standard | October 1990 |
| 1123 | Requirements for Internet Hosts - Application and SupportR. Braden, Ed. | Internet Standard | October 1989 |
| 1091 | Telnet terminal-type optionJ. VanBokkelen | Proposed Standard | February 1989 |
| 1012 | Bibliography of Request For Comments 1 through 999J.K. Reynolds, J. Postel | Informational | June 1987 |
| 1011 | Official Internet protocolsJ.K. Reynolds, J. Postel | Unknown | May 1987 |
| 991 | Official ARPA-Internet protocolsJ.K. Reynolds, J. Postel · obsoleted by RFC 1011 | Unknown | November 1986 |
| 980 | Protocol document order informationO.J. Jacobsen, J. Postel | Unknown | March 1986 |
| 961 | Official ARPA-Internet protocolsJ.K. Reynolds, J. Postel · obsoleted by RFC 991 | Unknown | December 1985 |
| 944 | Official ARPA-Internet protocolsJ.K. Reynolds, J. Postel · obsoleted by RFC 961 | Unknown | April 1985 |
| 924 | Official ARPA-Internet protocols for connecting personal computers to the InternetJ.K. Reynolds, J. Postel · obsoleted by RFC 944 | Unknown | October 1984 |
| 901 | Official ARPA-Internet protocolsJ.K. Reynolds, J. Postel · obsoleted by RFC 924 | Unknown | June 1984 |
| 880 | Official protocolsJ.K. Reynolds, J. Postel · obsoleted by RFC 901 | Historic | October 1983 |