| 1197 | Using ODA for translating multimedia informationM. Sherman | Informational | December 1990 |
| 1196 | Finger User Information ProtocolD.P. Zimmerman · obsoleted by RFC 1288 | Draft Standard | December 1990 |
| 1195 | Use of OSI IS-IS for routing in TCP/IP and dual environmentsR. Callon | Proposed Standard | December 1990 |
| 1194 | Finger User Information ProtocolD.P. Zimmerman · obsoleted by RFC 1196, RFC 1288 | Draft Standard | November 1990 |
| 1193 | Client requirements for real-time communication servicesD. Ferrari | Informational | November 1990 |
| 1192 | Commercialization of the Internet summary reportB. Kahin | Informational | November 1990 |
| 1191 | Path MTU discoveryJ. Mogul, S. Deering | Draft Standard | November 1990 |
| 1190 | Experimental Internet Stream Protocol: Version 2 (ST-II)C. Topolcic · obsoleted by RFC 1819 | Experimental | October 1990 |
| 1189 | Common Management Information Services and Protocols for the Internet (CMOT and CMIP)U.S. Warrier, L. Besaw, L. LaBarre, B.D. Handspicker | Historic | October 1990 |
| 1188 | Proposed Standard for the Transmission of IP Datagrams over FDDI NetworksD. Katz | Draft Standard | October 1990 |
| 1187 | Bulk Table Retrieval with the SNMPM.T. Rose, K. McCloghrie, J.R. Davin | Experimental | October 1990 |
| 1186 | MD4 Message Digest AlgorithmR.L. Rivest · obsoleted by RFC 1320 | Informational | October 1990 |
| 1185 | TCP Extension for High-Speed PathsV. Jacobson, R.T. Braden, L. Zhang · obsoleted by RFC 1323 | Experimental | October 1990 |
| 1184 | Telnet Linemode OptionD.A. Borman | Draft Standard | October 1990 |
| 1183 | New DNS RR DefinitionsC. Everhart, L. Mamakos, R. Ullmann, P. Mockapetris, Ed. | Experimental | October 1990 |
| 1181 | RIPE Terms of ReferenceR. Blokzijl | Informational | September 1990 |
| 1179 | Line printer daemon protocolL. McLaughlin | Informational | August 1990 |
| 1178 | Choosing a name for your computerD. Libes | Informational | August 1990 |
| 1177 | FYI on Questions and Answers: Answers to commonly asked "new internet user" questionsG.S. Malkin, A.N. Marine, J.K. Reynolds · obsoleted by RFC 1206 | Informational | August 1990 |
| 1176 | Interactive Mail Access Protocol: Version 2M.R. Crispin | Experimental | August 1990 |
| 1175 | FYI on where to start: A bibliography of internetworking informationK.L. Bowers, T.L. LaQuey, J.K. Reynolds, K. Roubicek, M.K. Stahl, A. Yuan | Informational | August 1990 |
| 1174 | IAB recommended policy on distributing internet identifier assignment and IAB recommended policy change to internet "connected" statusV.G. Cerf | Informational | August 1990 |
| 1173 | Responsibilities of host and network managers: A summary of the "oral tradition" of the InternetJ. VanBokkelen | Informational | August 1990 |
| 1169 | Explaining the role of GOSIPV.G. Cerf, K.L. Mills | Informational | August 1990 |
| 1172 | Point-to-Point Protocol (PPP) initial configuration optionsD. Perkins, R. Hobby · obsoleted by RFC 1331, RFC 1332 | Proposed Standard | July 1990 |
| 1171 | Point-to-Point Protocol for the transmission of multi-protocol datagrams over Point-to-Point linksD. Perkins · obsoleted by RFC 1331 | Draft Standard | July 1990 |
| 1168 | Intermail and Commercial Mail Relay servicesA. Westine, A.L. DeSchon, J. Postel, C.E. Ward | Informational | July 1990 |
| 1167 | Thoughts on the National Research and Education NetworkV.G. Cerf | Informational | July 1990 |
| 1166 | Internet numbersS. Kirkpatrick, M.K. Stahl, M. Recker | Informational | July 1990 |
| 1165 | Network Time Protocol (NTP) over the OSI Remote Operations ServiceJ. Crowcroft, J.P. Onions | Experimental | June 1990 |
| 1164 | Application of the Border Gateway Protocol in the InternetJ.C. Honig, D. Katz, M. Mathis, Y. Rekhter, J.Y. Yu · obsoleted by RFC 1268 | Historic | June 1990 |
| 1163 | Border Gateway Protocol (BGP)K. Lougheed, Y. Rekhter · obsoleted by RFC 1267 | Historic | June 1990 |
| 1162 | Connectionless Network Protocol (ISO 8473) and End System to Intermediate System (ISO 9542) Management Information BaseG. Satz · obsoleted by RFC 1238 | Experimental | June 1990 |
| 1161 | SNMP over OSIM.T. Rose · obsoleted by RFC 1418 | Experimental | June 1990 |
| 1159 | Message Send ProtocolR. Nelson · obsoleted by RFC 1312 | Experimental | June 1990 |
| 1160 | Internet Activities BoardV. Cerf | Informational | May 1990 |
| 1158 | Management Information Base for network management of TCP/IP-based internets: MIB-IIM.T. Rose · obsoleted by RFC 1213 | Proposed Standard | May 1990 |
| 1157 | Simple Network Management Protocol (SNMP)J.D. Case, M. Fedor, M.L. Schoffstall, J. Davin | Historic | May 1990 |
| 1156 | Management Information Base for network management of TCP/IP-based internetsK. McCloghrie, M.T. Rose | Historic | May 1990 |
| 1155 | Structure and identification of management information for TCP/IP-based internetsM.T. Rose, K. McCloghrie | Internet Standard | May 1990 |
| 1140 | IAB official protocol standardsDefense Advanced Research Projects Agency, Internet Activities Board · obsoleted by RFC 1200 | Historic | May 1990 |
| 1149 | Standard for the transmission of IP datagrams on avian carriersD. Waitzman | Experimental | 1 April 1990 |
| 1154 | Encoding header field for internet messagesD. Robinson, R. Ullmann · obsoleted by RFC 1505 | Experimental | April 1990 |
| 1153 | Digest message formatF.J. Wancho | Experimental | April 1990 |
| 1152 | Workshop report: Internet research steering group workshop on very-high-speed networksC. Partridge | Informational | April 1990 |
| 1151 | Version 2 of the Reliable Data Protocol (RDP)C. Partridge, R.M. Hinden | Experimental | April 1990 |
| 1147 | FYI on a Network Management Tool Catalog: Tools for Monitoring and Debugging TCP/IP Internets and Interconnected DevicesR.H. Stine · obsoleted by RFC 1470 | Informational | April 1990 |
| 1150 | FYI on FYI: Introduction to the FYI NotesG.S. Malkin, J.K. Reynolds · obsoleted by RFC 6360 | Historic | March 1990 |
| 1148 | Mapping between X.400(1988) / ISO 10021 and RFC 822S.E. Kille · obsoleted by RFC 1327, RFC 2156 | Experimental | March 1990 |
| 1146 | TCP alternate checksum optionsJ. Zweig, C. Partridge · obsoleted by RFC 6247 | Historic | March 1990 |
| 1060 | Assigned numbersJ.K. Reynolds, J. Postel · obsoleted by RFC 1340 | Historic | March 1990 |
| 1145 | TCP alternate checksum optionsJ. Zweig, C. Partridge · obsoleted by RFC 1146, RFC 6247 | Historic | February 1990 |
| 1144 | Compressing TCP/IP Headers for Low-Speed Serial LinksV. Jacobson | Proposed Standard | February 1990 |
| 1143 | The Q Method of Implementing TELNET Option NegotiationD.J. Bernstein | Experimental | February 1990 |
| 1142 | OSI IS-IS Intra-domain Routing ProtocolD. Oran, Ed. · obsoleted by RFC 7142 | Historic | February 1990 |
| 1141 | Incremental updating of the Internet checksumT. Mallory, A. Kullberg | Informational | January 1990 |
| 1139 | Echo function for ISO 8473R.A. Hagens · obsoleted by RFC 1574, RFC 1575 | Proposed Standard | January 1990 |