RFC 503 Socket Number List 13 April 1973 Particular 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 Echo RFC 347 Discard RFC 348 Character Generator RFC 429 Speech Data Base SUR 37 Datacomputer [Murray @ CCA] NCP Measurement RFC 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.