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Obsoleted by:739 UNKNOWN
Network Working Group N. NeigusRequest for Comments: 503 J. PostelNIC: 15747 13 April 1973References: 349, 433 Socket Number List This is a second pass at the specification of the socket numbers. More sockets have been made available for experimental functions, some new sockets have been assigned for network standard functions, host specific functions and experimental functions, and the list of available sockets for server hosts has been updated. Following are the current assignments for socket numbers used for public functions. Note that a socket number is a 40 bit quantity, the first 8 bits being the host specification, the next 24 bits being site specific, and the last 8 bits being user specified -- these last 8 bits are called the AEN [it stands for, cleverly enough, Another Eightbit Number]. For the assignments here the value in the host field ranges across al hosts (unless otherwise specified), the value in the 24 bit field is zero, and the AEN is indicated here.General Assignments: Sockets Assignment 0 - 63 Network Wide Standard Functions 64 - 127 Host Specific Functions 128 - 223 Reserved for Future Use 224 - 255 Any Experimental FunctionNeigus, et. al. [Page 1]
RFC 503 Socket Number List 13 April 1973Particular Assignments: Socket Assignment 1 Telnet 3 File Transfer 5 Remote Job Entry 7 Echo 9 Discard 11 Systat or who-is-on function 13 Date-Time function 15 Netstat or who-is-up function 19 Character Generator [e.g. TTYTST] 65 Speech Data Base @ 11-tx-2 (74) 67 69 CPYNET 71 NETRJS [EBCDIC] 73 NETRJS [ASCII] 75 NETRJS [TTY] 241 NCP Measurement 243 Survey Measurement 245 LINK 247 RSEXEC 249 RSEXEC 251 RSEXEC The specifications for the assigned functions can be found in the documents listed here: Telnet NIC 7104 File Transfer NIC 7104 Remote Job Entry NIC 7104 EchoRFC 347 DiscardRFC 348 Character GeneratorRFC 429 Speech Data Base SUR 37 Datacomputer [Murray @ CCA] NCP MeasurementRFC 388 Survey Data [Kampa @ NMC] LINK [Bressler @ BBN] RSEXEC [Thomas @ BBN] There are several hosts performing public services on sockets which conflict with the above scheme. We hope we can resolve these conflicts with a minimum of disruption.Neigus, et. al. [Page 2]
RFC 503 Socket Number List 13 April 1973 The following is a tabulation of socket numbers together with the services offered. This listing is presented as an aid to network users. If you know of a socket function which has been left out or an entry which should be corrected or deleted please contact: Jon Postel 3804 Boelter Hall Computer Science Department University of California Los Angeles, CA. 90024 Phone: (213) 825-2368 NIC Ident - JBP or Nancy J. Neigus Bolt Beranek and Newman 50 Moulton Street Cambridge, Mass. 02138 Phone: (617) 661-0100 NIC Ident = NJN We will be pleased to include socket/function information for other than "official" sockets [e.g. Tip News]. 1 UCLA-NMC 1 Telnet 3 File Transfer 241 NCP Measurement 243 Survey Data 2 SRI-ARC 1 Telnet 3 File Transfer 7 Echo 11 SYSTAT 13 DATE-TIME 69 CPYNETNeigus, et. al. [Page 3]
RFC 503 Socket Number List 13 April 1973 3 UCSB 1 Telnet 5 UCSB RJS [not ARPANET standard] 7 Echo 9 Discard 1793, 1795, 1797, 1799, 1801, 2049 Graphics terminal sockets x'701', '703', '705', '707', '709', '801' o'3401', '3403', '3405', '3407', '3411', '4001' 4 UTAH 1 Telnet 3 File Transfer 5 Echo 7 CPYNET 9 SYSTAT 13 DATE-TIME 6 MIT-Multics 1 Telnet 3 File Transfer 8 SDC-Adept 1 Telnet 9 Harvard 1 Telnet 3 File Transfer 10 LL-67 1 Telnet 11 SAIL 1 Telnet 3 File TransferNeigus, et. al. [Page 4]
RFC 503 Socket Number List 13 April 1973 13 CASE 1 Telnet 3 File Transfer 7 Echo 11 SYSTAT 13 DATE-TIME 69 CPYNET 14 CMU 1 Telnet 3 File Transfer 15 ILLIAC-TENEX 1 Telnet 3 File Transfer 5 Echo 7 CPYNET 9 SYSTAT 13 DATE-TIME 16 NASA-AMES 1 Telnet 3 File Transfer 5 Sorry Remote Job Entry 7 Echo 9 Discard 241 NCP Measurement 23 USC-44 1 Telnet 31 CCA-TENEX 1 Telnet 3 File Transfer 7 Echo 11 SYSTAT 15 NETSTATNeigus, et. al. [Page 5]
RFC 503 Socket Number List 13 April 1973 35 UCSD 1 Telnet 65 UCLA-CCN 1 Telnet 3 File Transfer 7 Echo 9 Discard 71 NETRJS [EBCDIC] 73 NETRJS [ASCII] 75 NETRJS [TTY] 66 SRI-AI 1 Telnet 3 File Transfer 5 Echo 7 CPYNET 9 SYSTAT 11 Sorry NETSAT 69 BBN-TENEX (a) 1 Telnet 3 File Transfer 7 Echo 11 SYSTAT 13 DATE-TIME 15 NETSTAT 17 Oneliners 69 CPYNET 247 = x'F7' = o'367' TIP RSEXEC Facility 70 MIT-DMCG 1 Telnet 3 File Transfer 7 Network Status 9 DiscardNeigus, et. al. [Page 6]
RFC 503 Socket Number List 13 April 1973 74 LL-TX-2 1 Telnet 78 CMU-alt 1 Telnet 3 File Transfer 86 ISI-TENEX 1 Telnet 3 File Transfer 7 Echo 11 SYSTAT 13 DATE-TIME 69 CPYNET 133 BBN-TENEXB 1 Telnet 3 File Transfer 7 Echo 11 SYSTAT 13 DATE-TIME 15 NETSTAT 17 Oneliners 69 CPYNET 134 MIT-AI 1 Telnet 3 File Transfer 198 MIT-Mathlab 1 Telnet 3 File TransferNeigus, et. al. [Page 7]
RFC 503 Socket Number List 13 April 1973 User only hosts -- no server sockets 5 NCC 7 RAND 12 ILI-ANTS 19 NBS-ANTS 32 PARC-MAXC (currently) 138 LL-TSP 197 BBN-1DNeigus, et. al. [Page 8]
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