| 793 | Transmission Control ProtocolJ. Postel · obsoleted by RFC 9293 | Internet Standard | September 1981 |
| 794 | Pre-emptionV.G. Cerf | Informational | September 1981 |
| 795 | Service mappingsJ. Postel | Historic | September 1981 |
| 796 | Address mappingsJ. Postel | Historic | September 1981 |
| 797 | Format for Bitmap filesA.R. Katz | Unknown | September 1981 |
| 798 | Decoding facsimile data from the Rapicom 450A.R. Katz | Unknown | September 1981 |
| 799 | Internet name domainsD.L. Mills | Unknown | September 1981 |
| 800 | Request For Comments summary notes: 700-799J. Postel, J. Vernon | Informational | November 1982 |
| 801 | NCP/TCP transition planJ. Postel | Unknown | November 1981 |
| 802 | ARPANET 1822L Host Access ProtocolA.G. Malis · obsoleted by RFC 851 | Unknown | November 1981 |
| 803 | Dacom 450/500 facsimile data transcodingA. Agarwal, M.J. O'Connor, D.L. Mills | Unknown | November 1981 |
| 804 | CCITT draft recommendation T.4International Telegraph and Telephone Consultative Committee of the International Telecommunication Union | Unknown | January 1981 |
| 805 | Computer mail meeting notesJ. Postel | Unknown | February 1982 |
| 806 | Proposed Federal Information Processing Standard: Specification for message format for computer based message systemsNational Bureau of Standards · obsoleted by RFC 841 | Unknown | September 1981 |
| 807 | Multimedia mail meeting notesJ. Postel | Unknown | February 1982 |
| 808 | Summary of computer mail services meeting held at BBN on 10 January 1979J. Postel | Unknown | March 1982 |
| 809 | UCL facsimile systemT. Chang | Unknown | February 1982 |
| 810 | DoD Internet host table specificationE.J. Feinler, K. Harrenstien, Z. Su, V. White · obsoleted by RFC 952 | Unknown | March 1982 |
| 811 | Hostnames ServerK. Harrenstien, V. White, E.J. Feinler · obsoleted by RFC 953 | Unknown | March 1982 |
| 812 | NICNAME/WHOISK. Harrenstien, V. White · obsoleted by RFC 954, RFC 3912 | Unknown | March 1982 |
| 813 | Window and Acknowledgement Strategy in TCPD.D. Clark · obsoleted by RFC 7805 | Historic | July 1982 |
| 814 | Name, addresses, ports, and routesD.D. Clark | Informational | July 1982 |
| 815 | IP datagram reassembly algorithmsD.D. Clark | Unknown | July 1982 |
| 816 | Fault isolation and recoveryD.D. Clark · obsoleted by RFC 7805 | Historic | July 1982 |
| 817 | Modularity and efficiency in protocol implementationD.D. Clark | Informational | July 1982 |
| 818 | Remote User Telnet serviceJ. Postel | Historic | November 1982 |
| 819 | The Domain Naming Convention for Internet User ApplicationsZ. Su, J. Postel | Unknown | August 1982 |
| 820 | Assigned numbersJ. Postel · obsoleted by RFC 870 | Historic | August 1982 |
| 821 | Simple Mail Transfer ProtocolJ. Postel · obsoleted by RFC 2821 | Internet Standard | August 1982 |
| 822 | STANDARD FOR THE FORMAT OF ARPA INTERNET TEXT MESSAGESD. Crocker · obsoleted by RFC 2822 | Internet Standard | August 1982 |
| 823 | DARPA Internet gatewayR.M. Hinden, A. Sheltzer | Historic | September 1982 |
| 824 | CRONUS Virtual Local NetworkW.I. MacGregor, D.C. Tappan | Unknown | August 1982 |
| 825 | Request for comments on Requests For CommentsJ. Postel · obsoleted by RFC 1111, RFC 1543, RFC 2223 | Unknown | November 1982 |
| 826 | An Ethernet Address Resolution Protocol: Or Converting Network Protocol Addresses to 48.bit Ethernet Address for Transmission on Ethernet HardwareD. Plummer | Internet Standard | November 1982 |
| 827 | Exterior Gateway Protocol (EGP)E.C. Rosen | Unknown | October 1982 |
| 828 | Data communications: IFIP's international "network" of expertsK. Owen | Unknown | August 1982 |
| 829 | Packet satellite technology reference sourcesV.G. Cerf | Unknown | November 1982 |
| 830 | Distributed system for Internet name serviceZ. Su | Unknown | October 1982 |
| 831 | Backup access to the European side of SATNETR.T. Braden | Unknown | December 1982 |
| 832 | Who talks TCP?D. Smallberg · obsoleted by RFC 833 | Unknown | December 1982 |
| 833 | Who talks TCP?D. Smallberg · obsoleted by RFC 834 | Unknown | December 1982 |
| 834 | Who talks TCP?D. Smallberg · obsoleted by RFC 835 | Unknown | December 1982 |
| 835 | Who talks TCP?D. Smallberg · obsoleted by RFC 836 | Unknown | December 1982 |
| 836 | Who talks TCP?D. Smallberg · obsoleted by RFC 837 | Unknown | January 1983 |
| 837 | Who talks TCP?D. Smallberg · obsoleted by RFC 838 | Unknown | January 1983 |
| 838 | Who talks TCP?D. Smallberg · obsoleted by RFC 839 | Unknown | January 1983 |
| 839 | Who talks TCP?D. Smallberg · obsoleted by RFC 842 | Unknown | January 1983 |
| 840 | Official protocolsJ. Postel · obsoleted by RFC 880 | Historic | April 1983 |
| 841 | Specification for message format for Computer Based Message SystemsNational Bureau of Standards | Unknown | January 1983 |
| 842 | Who talks TCP? - survey of 1 February 83D. Smallberg · obsoleted by RFC 843 | Unknown | February 1983 |
| 843 | Who talks TCP? - survey of 8 February 83D. Smallberg · obsoleted by RFC 845 | Unknown | February 1983 |
| 844 | Who talks ICMP, too? - Survey of 18 February 1983R. Clements | Unknown | February 1983 |
| 845 | Who talks TCP? - survey of 15 February 1983D. Smallberg · obsoleted by RFC 846 | Unknown | February 1983 |
| 846 | Who talks TCP? - survey of 22 February 1983D. Smallberg · obsoleted by RFC 847 | Unknown | February 1983 |
| 847 | Summary of Smallberg surveysA. Westine, D. Smallberg, J. Postel | Unknown | February 1983 |
| 848 | Who provides the "little" TCP services?D. Smallberg | Unknown | March 1983 |
| 849 | Suggestions for improved host table distributionM.R. Crispin | Unknown | May 1983 |
| 850 | Standard for interchange of USENET messagesM.R. Horton · obsoleted by RFC 1036 | Unknown | June 1983 |
| 851 | ARPANET 1822L Host Access ProtocolA.G. Malis · obsoleted by RFC 878 | Unknown | April 1983 |
| 852 | ARPANET short blocking featureA.G. Malis | Unknown | April 1983 |
| 854 | Telnet Protocol SpecificationJ. Postel, J.K. Reynolds | Internet Standard | May 1983 |
| 855 | Telnet Option SpecificationsJ. Postel, J.K. Reynolds | Internet Standard | May 1983 |
| 856 | Telnet Binary TransmissionJ. Postel, J. Reynolds | Internet Standard | May 1983 |
| 857 | Telnet Echo OptionJ. Postel, J. Reynolds | Internet Standard | May 1983 |
| 858 | Telnet Suppress Go Ahead OptionJ. Postel, J. Reynolds | Internet Standard | May 1983 |
| 859 | Telnet Status OptionJ. Postel, J. Reynolds | Internet Standard | May 1983 |
| 860 | Telnet Timing Mark OptionJ. Postel, J. Reynolds | Internet Standard | May 1983 |
| 861 | Telnet Extended Options: List OptionJ. Postel, J. Reynolds | Internet Standard | May 1983 |
| 862 | Echo ProtocolJ. Postel | Internet Standard | May 1983 |
| 863 | Discard ProtocolJ. Postel | Internet Standard | May 1983 |
| 864 | Character Generator ProtocolJ. Postel | Internet Standard | May 1983 |
| 865 | Quote of the Day ProtocolJ. Postel | Internet Standard | May 1983 |
| 866 | Active usersJ. Postel | Internet Standard | May 1983 |
| 867 | Daytime ProtocolJ. Postel | Internet Standard | May 1983 |
| 868 | Time ProtocolJ. Postel, K. Harrenstien | Internet Standard | May 1983 |
| 869 | Host Monitoring ProtocolR. Hinden | Historic | December 1983 |
| 870 | Assigned numbersJ.K. Reynolds, J. Postel · obsoleted by RFC 900 | Historic | October 1983 |
| 871 | Perspective on the ARPANET reference modelM.A. Padlipsky | Unknown | September 1982 |
| 872 | TCP-on-a-LANM.A. Padlipsky | Informational | September 1982 |
| 873 | Illusion of vendor supportM.A. Padlipsky | Unknown | September 1982 |
| 874 | Critique of X.25M.A. Padlipsky | Unknown | September 1982 |
| 875 | Gateways, architectures, and heffalumpsM.A. Padlipsky | Unknown | September 1982 |
| 876 | Survey of SMTP implementationsD. Smallberg | Unknown | September 1983 |
| 877 | Standard for the transmission of IP datagrams over public data networksJ.T. Korb · obsoleted by RFC 1356 | Unknown | September 1983 |
| 878 | ARPANET 1822L Host Access ProtocolA.G. Malis | Unknown | December 1983 |
| 879 | The TCP Maximum Segment Size and Related TopicsJ. Postel · obsoleted by RFC 7805, RFC 9293 | Historic | November 1983 |
| 880 | Official protocolsJ.K. Reynolds, J. Postel · obsoleted by RFC 901 | Historic | October 1983 |
| 881 | Domain names plan and scheduleJ. Postel | Unknown | November 1983 |
| 882 | Domain names: Concepts and facilitiesP. Mockapetris · obsoleted by RFC 1034, RFC 1035 | Unknown | November 1983 |
| 883 | Domain names: Implementation specificationP. Mockapetris · obsoleted by RFC 1034, RFC 1035 | Unknown | November 1983 |
| 884 | Telnet terminal type optionM. Solomon, E. Wimmers · obsoleted by RFC 930 | Unknown | December 1983 |
| 885 | Telnet end of record optionJ. Postel | Proposed Standard | December 1983 |
| 886 | Proposed standard for message header mungingM.T. Rose | Unknown | December 1983 |
| 887 | Resource Location ProtocolM. Accetta | Experimental | December 1983 |
| 888 | "STUB" Exterior Gateway ProtocolL. Seamonson, E.C. Rosen | Unknown | January 1984 |
| 889 | Internet Delay ExperimentsD.L. Mills | Informational | December 1983 |
| 890 | Exterior Gateway Protocol implementation scheduleJ. Postel | Unknown | February 1984 |
| 891 | DCN Local-Network ProtocolsD.L. Mills | Internet Standard | December 1983 |