| 1086 | ISO-TP0 bridge between TCP and X.25J.P. Onions, M.T. Rose | Unknown | December 1988 |
| 1085 | ISO presentation services on top of TCP/IP based internetsM.T. Rose | Unknown | December 1988 |
| 1084 | BOOTP vendor information extensionsJ.K. Reynolds · obsoleted by RFC 1395, RFC 1497, RFC 1533 | Unknown | December 1988 |
| 1083 | IAB official protocol standardsInternet Activities Board · obsoleted by RFC 1100 | Historic | December 1988 |
| 1079 | Telnet terminal speed optionC.L. Hedrick | Proposed Standard | December 1988 |
| 1082 | Post Office Protocol: Version 3: Extended service offeringsM.T. Rose | Unknown | November 1988 |
| 1081 | Post Office Protocol: Version 3M.T. Rose · obsoleted by RFC 1225 | Unknown | November 1988 |
| 1080 | Telnet remote flow control optionC.L. Hedrick · obsoleted by RFC 1372 | Unknown | November 1988 |
| 1078 | TCP port service Multiplexer (TCPMUX)M. Lottor · obsoleted by RFC 7805 | Historic | November 1988 |
| 1077 | Critical issues in high bandwidth networkingB.M. Leiner | Unknown | November 1988 |
| 1076 | HEMS monitoring and control languageG. Trewitt, C. Partridge | Unknown | November 1988 |
| 1075 | Distance Vector Multicast Routing ProtocolD. Waitzman, C. Partridge, S.E. Deering | Experimental | November 1988 |
| 1074 | NSFNET backbone SPF based Interior Gateway ProtocolJ. Rekhter | Unknown | October 1988 |
| 1073 | Telnet window size optionD. Waitzman | Proposed Standard | October 1988 |
| 1072 | TCP extensions for long-delay pathsV. Jacobson, R.T. Braden · obsoleted by RFC 1323, RFC 2018, RFC 6247 | Historic | October 1988 |
| 1071 | Computing the Internet checksumR.T. Braden, D.A. Borman, C. Partridge | Informational | September 1988 |
| 1068 | Background File Transfer Program (BFTP)A.L. DeSchon, R.T. Braden | Unknown | August 1988 |
| 1067 | Simple Network Management ProtocolJ.D. Case, M. Fedor, M.L. Schoffstall, J. Davin · obsoleted by RFC 1098 | Unknown | August 1988 |
| 1066 | Management Information Base for network management of TCP/IP-based internetsK. McCloghrie, M.T. Rose · obsoleted by RFC 1156 | Unknown | August 1988 |
| 1065 | Structure and identification of management information for TCP/IP-based internetsK. McCloghrie, M.T. Rose · obsoleted by RFC 1155 | Internet Standard | August 1988 |
| 1062 | Internet numbersS. Romano, M.K. Stahl, M. Recker · obsoleted by RFC 1117, RFC 1166 | Unknown | August 1988 |
| 1064 | Interactive Mail Access Protocol: Version 2M.R. Crispin · obsoleted by RFC 1176, RFC 1203 | Unknown | July 1988 |
| 1063 | IP MTU discovery optionsJ.C. Mogul, C.A. Kent, C. Partridge, K. McCloghrie · obsoleted by RFC 1191 | Unknown | July 1988 |
| 1059 | Network Time Protocol (version 1) specification and implementationD.L. Mills · obsoleted by RFC 1119, RFC 1305 | Unknown | July 1988 |
| 1058 | Routing Information ProtocolC.L. Hedrick | Historic | June 1988 |
| 1057 | RPC: Remote Procedure Call Protocol specification: Version 2Sun Microsystems | Informational | June 1988 |
| 1056 | PCMAIL: A distributed mail system for personal computersM.L. Lambert | Informational | June 1988 |
| 1055 | Nonstandard for transmission of IP datagrams over serial lines: SLIPJ.L. Romkey | Internet Standard | June 1988 |
| 1054 | Host extensions for IP multicastingS.E. Deering · obsoleted by RFC 1112 | Unknown | May 1988 |
| 1029 | More fault tolerant approach to address resolution for a Multi-LAN system of EthernetsG. Parr | Unknown | May 1988 |
| 1053 | Telnet X.3 PAD optionS. Levy, T. Jacobson | Historic | April 1988 |
| 1052 | IAB recommendations for the development of Internet network management standardsV.G. Cerf | Unknown | April 1988 |
| 1050 | RPC: Remote Procedure Call Protocol specificationSun Microsystems · obsoleted by RFC 1057 | Historic | April 1988 |
| 1051 | Standard for the transmission of IP datagrams and ARP packets over ARCNET networksP.A. Prindeville · obsoleted by RFC 1201 | Historic | March 1988 |
| 1049 | Content-type header field for Internet messagesM.A. Sirbu | Historic | March 1988 |
| 1048 | BOOTP vendor information extensionsP.A. Prindeville · obsoleted by RFC 1084, RFC 1395, RFC 1497, RFC 1533 | Unknown | February 1988 |
| 1047 | Duplicate messages and SMTPC. Partridge | Unknown | February 1988 |
| 1046 | Queuing algorithm to provide type-of-service for IP linksW. Prue, J. Postel | Unknown | February 1988 |
| 1045 | VMTP: Versatile Message Transaction Protocol: Protocol specificationD.R. Cheriton | Experimental | February 1988 |
| 1044 | Internet Protocol on Network System's HYPERchannel: Protocol SpecificationK. Hardwick, J. Lekashman | Internet Standard | February 1988 |
| 1043 | Telnet Data Entry Terminal option: DODIIS implementationA. Yasuda, T. Thompson | Proposed Standard | February 1988 |
| 1042 | Standard for the transmission of IP datagrams over IEEE 802 networksJ. Postel, J.K. Reynolds | Internet Standard | February 1988 |
| 1041 | Telnet 3270 regime optionY. Rekhter | Historic | January 1988 |
| 1040 | Privacy enhancement for Internet electronic mail: Part I: Message encipherment and authentication proceduresJ. Linn · obsoleted by RFC 1113 | Unknown | January 1988 |
| 1039 | DoD statement on Open Systems Interconnection protocolsD. Latham | Unknown | January 1988 |
| 1038 | Draft revised IP security optionM. St. Johns · obsoleted by RFC 1108 | Unknown | January 1988 |