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<pre>Network Working Group Jon Postel (UCLA-NMC)
Request for Comments: 433 Nancy Neigus (BBN)
NIC 13491 22 December 1972
Categories: Socket Numbers
References: 349
Socket Number List
The czar of socket numbers [Jon Postel] has established the
following 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 all hosts (unless otherwise specified), the value in the
<span class="h2"><a class="selflink" id="section-24" href="#section-24">24</a> bit field is zero, and the AEN is indicated here.</span>
General Assignments:
Sockets Assignment
0 - 63 Network Wide Standard Functions
64 - 127 Host Specific Functions
128 - 239 Reserved for Future Use
240 - 255 Any Experimental Function
Particular Assignments:
Socket Assignment
1 Telnet
3 File Transfer
5 Remote Job Entry
7 Echo
9 Discard
19 Character Generator [e.g. TTYTST]
65 Speech Data Base @ ll-tx-2 (74)
67 Datacomputer @ cca (31)
241 NCP Measurement
243 Survey Measurement
245 LINK
The specifications for the assigned functions can be found in the
documents listed here:
<span class="grey">Postel and Neigus [Page 1]</span></pre>
<hr class='noprint'/><!--NewPage--><pre class='newpage'><span id="page-2" ></span>
<span class="grey"><a href="./rfc433">RFC 433</a> Socket Number List 22 December 1972</span>
Telnet <a href="./rfc318">RFC 318</a>
File Transfer <a href="./rfc354">RFC 354</a> & <a href="./rfc385">RFC 385</a>
Remote Job Entry <a href="./rfc407">RFC 407</a>
Echo <a href="./rfc347">RFC 347</a>
Discard <a href="./rfc348">RFC 348</a>
Character Generator <a href="./rfc429">RFC 429</a>
Speech Data Base SUR 37
Datacomputer [Murray @ CCA]
NCP Measurment <a href="./rfc388">RFC 388</a>
Survey Data [Kampe @ NMC]
LINK [Bressler @ BBN]
It has come to our attention that there are several hosts
performing useful public services on sockets which conflict with
the above scheme. We hope we can resolve this problem with a
minimum of disruption.
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 Neigus
Bolt Beranek and Newman
50 Moulton Street
Cambridge, Mass. 02139
Phone: (617) 661-0100
NIC Ident = NJN
<span class="grey">Postel and Neigus [Page 2]</span></pre>
<hr class='noprint'/><!--NewPage--><pre class='newpage'><span id="page-3" ></span>
<span class="grey"><a href="./rfc433">RFC 433</a> Socket Number List 22 December 1972</span>
We will be pleased to include socket/function information for
other than "offical" sockets [e.g Tip News].
1 UCLA-NMC
1 Telnet
241 NCP Measurement
243 Survey Data
2 SRI-ARC
1 Telnet
3 File Transfer
5 Echo
7 CPYNET
9 SYSTAT
13 DATE-TIME
3 UCSB
1 Telnet
5 UCSB RJS [not ARPANET standard]
7 Echo
9 Discard
4 UTAH
1 Telnet
3 File Transfer
5 Echo
7 CPYNET
9 SYSTAT
13 DATE-TIME
5 NCC
6 MIT-Multics
1 Telnet
9 Harvard
1 Telnet
3 Sorry File Transfer
10 LL-67
1 Telnet
11 SAIL
1 Telnet
3 File Transfer
12 ILL-ANTS
13 CASE
1 Telnet
3 File Transfer
5 Echo
7 CPYNET
9 SYSTAT
13 DATE-TIME
14 CMU
1 Telnet
3 File Transfer
15 ILLIAC-TENEX
1 Telnet
3 File Transfer
<span class="grey">Postel and Neigus [Page 3]</span></pre>
<hr class='noprint'/><!--NewPage--><pre class='newpage'><span id="page-4" ></span>
<span class="grey"><a href="./rfc433">RFC 433</a> Socket Number List 22 December 1972</span>
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
31 CCA-TENEX
1 Telnet
3 File Transfer
5 Echo
9 SYSTAT
11 NETSTAT
35 UCSD
1 Telnet
65 UCLA-CCN
1 Telnet
7 Echo
9 Discard
11 NETPJS [EBCDIC]
13 NETRJS [ASCII]
15 NETRJS [TTY]
66 SRI-AI
1 Telnet
3 DATE-TIME
5 Echo
7 CPYNET
9 SYSTAT
11 Sorry NETSTAT
69 BBN-TENEX (a)
1 Telnet
3 File Transfer
5 Echo
7 CPYNET
9 SYSTAT
13 DATE-TIME
15 NETSTAT
17 Oneliners
3604505 = x'370019' = o'15600031' TIP News
70 MIT-DMCG
1 Telnet
3 File Transfer
7 Network Status
9 Discard
74 LL-TX-2
1 Telnet
<span class="grey">Postel and Neigus [Page 4]</span></pre>
<hr class='noprint'/><!--NewPage--><pre class='newpage'><span id="page-5" ></span>
<span class="grey"><a href="./rfc433">RFC 433</a> Socket Number List 22 December 1972</span>
78 CMU-alt
1 Telnet
3 File Transfer
86 ISI-TENEX
1 Telnet
3 File Transfer
5 Echo
7 CPYNET
9 SYSTAT
13 DATE-TIME
133 BBN-TENEXB
1 Telnet
3 File Transfer
5 Echo
7 CPYNET
9 SYSTAT
13 DATE-TIME
15 NETSTAT
17 Oneliners
134 MIT-AI
1 Telnet
3 File Transfer
198 MIT-Mathlab
1 Telnet
3 File Transfer
Following hosts not tested
7 RAND
8 SDC-ADEPT
19 NBS-ANTS
138 LL-TSP
[ This RFC was put into machine readable form for entry ]
[ into the online RFC archives by James Carlson 11/98 ]
Postel and Neigus [Page 5]
</pre>
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