Network Working Group D. Smallberg
Request for Comments: 837 January 1983
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Who Talks TCP?
The list of hosts was taken from the NIC hostname table of 31-Dec-82. The tests were run on 11-Jan-83 from ~12:01 pm to ~8:45 pm PST. Dead, refused, and unreachable hosts were retried 12-Jan-83 from ~8:00 am
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to ~4:30 pm PST.
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Claims are taken from the NIC host table:
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= tcp (no particular services mentioned)
= tcp/telnet
= tcp/ftp
= tcp/smtp
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Results for each service:
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lank (not accepted)
efused
nreachable
ead
ccepted
ccepted+ (FTP allowed user anonymous, password guest)
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Summary information:
Telnet Result
no telnet unreachable refused dead accepted
+-----------+-------------+---------+------+------------+
C tcp/telnet | 12 | 5 | 2 | 23 | 105 | 147
l +-----------+-------------+---------+------+------------+
a tcp | 8 | 0 | 0 | 4 | 15 | 27
i +-----------+-------------+---------+------+------------+
m Nothing | 55 | 6 | 0 | 37 | 51 | 149
+-----------+-------------+---------+------+------------+----
75 11 2 64 171 | 323
FTP Result
accepted or
no tcp/ftp unreachable refused dead accepted+
+-----------+-------------+---------+------+------------+
C tcp/ftp | 13 | 5 | 1 | 22 | 79 | 120
l +-----------+-------------+---------+------+------------+
a tcp | 9 | 0 | 1 | 4 | 13 | 27
i +-----------+-------------+---------+------+------------+
m Nothing | 63 | 6 | 8 | 38 | 61 | 176
+-----------+-------------+---------+------+------------+----
85 11 10 64 153 | 323
no tcp/smtp unreachable refused dead accepted
+-----------+-------------+---------+------+------------+
C tcp/smtp | 3 | 5 | 1 | 22 | 79 | 110
l +-----------+-------------+---------+------+------------+
a tcp | 10 | 0 | 2 | 4 | 11 | 27
i +-----------+-------------+---------+------+------------+
m Nothing | 74 | 6 | 13 | 38 | 55 | 186
+-----------+-------------+---------+------+------------+----
87 11 16 64 145 | 323
Results in alphabetical order:
Name Address Claims Telnet FTP SMTP ---- ------- ------ ------ --- ---- acc 10.2.0.54 ---- d e a d ada-vax 10.0.0.52 ---- accepted accepted accepted aerospace 10.2.0.65 T--- accepted accepted accepted afgl 10.1.0.66 ---- accepted accepted afsc-ad 10.0.0.53 T--- accepted accepted afsc-dev 10.2.0.53 ---- accepted accepted afsc-hq 10.0.0.67 ---- afsc-sd 10.0.0.65 ---- afwl 10.0.0.48 ---- accepted accepted aids-unix 10.3.0.56 ---- u n r e a c h a b l e alta-coma 3.1.0.50 T--- ames-tss 10.0.0.16 ---- d e a d ames-vmsb 10.3.0.16 ---- anl 10.0.0.55 ---- anl-mcs 10.1.0.55 ---- accepted accepted refused arpa-dms 10.0.0.28 ---- arpa-png11 10.3.0.28 ---- bbn-admin 3.1.0.6 -tfs accepted accepted accepted bbn-cd 3.3.0.9 -tfs accepted accepted accepted bbn-clxx 10.2.0.71 -tfs d e a d bbn-inoc 10.2.0.82 ---- bbn-inoc 3.2.0.6 -tfs accepted accepted accepted bbn-noc 3.1.0.14 -tfs accepted accepted accepted bbn-noc2 10.6.0.82 -tfs accepted accepted accepted bbn-nu 10.0.0.72 ---s bbn-rsm 10.4.0.82 -t-- accepted bbn-tenexb 10.0.0.49 -t-- accepted refused accepted bbn-tenexc 10.3.0.49 -t-- accepted refused accepted bbn-unix 10.1.0.72 ---- accepted accepted accepted bbn-unix 3.1.0.4 -tfs accepted accepted accepted bbn-vax 10.1.0.82 -tfs accepted accepted accepted bbna 10.3.0.5 -tf- accepted accepted accepted bbncca 3.0.0.2 -tfs accepted accepted accepted bbnccb 3.1.0.2 -tfs accepted accepted accepted bbnccc 3.2.0.2 -tfs accepted accepted accepted bbnccd 3.3.0.2 -tfs accepted accepted accepted bbnccf 3.0.0.4 -tfs accepted accepted accepted bbncci 3.3.0.4 -tfs accepted accepted accepted
Results in host table order:
Name Address Claims Telnet FTP SMTP ---- ------- ------ ------ --- ---- ll 10.0.0.10 ---- accepted accepted accepted su-ai 10.0.0.11 ---- compion-vms 10.0.0.12 ---s accepted accepted accepted gunter-unix 10.0.0.13 ---- cmu-cs-b 10.0.0.14 ---- ames-tss 10.0.0.16 ---- d e a d mitre 10.0.0.17 T--- accepted accepted accepted radc-multics 10.0.0.18 ---- accepted accepted accepted nbs-vms 10.0.0.19 ---- accepted accepted accepted sri-nsc11 10.0.0.2 ---- cctc 10.0.0.20 -t-- lll-unix 10.0.0.21 ---- d e a d isi-speech11 10.0.0.22 ---- usc-eclb 10.0.0.23 -t-- accepted accepted+ accepted nadc-vax 10.0.0.24 -tfs accepted accepted accepted seismo 10.0.0.25 -tfs accepted accepted accepted usc-isid 10.0.0.27 -t-s accepted accepted+ accepted arpa-dms 10.0.0.28 ---- brl 10.0.0.29 ---- accepted accepted accepted nosc-cc 10.0.0.3 -tfs accepted accepted accepted cca-unix 10.0.0.31 ---- d e a d parc-maxc 10.0.0.32 -t-- accepted accepted accepted nps 10.0.0.33 T--- lbl 10.0.0.34 ---- nosc-secure2 10.0.0.35 ---- coins-tas 10.0.0.36 ---- purdue 10.0.0.37 -tfs accepted accepted accepted utah-cs 10.0.0.4 -tfs accepted accepted+ accepted office-1 10.0.0.43 T--- mit-xx 10.0.0.44 ---- accepted accepted+ accepted collins-pr 10.0.0.46 T--- wpafb 10.0.0.47 ---- accepted accepted afwl 10.0.0.48 ---- accepted accepted bbn-tenexb 10.0.0.49 -t-- accepted refused accepted bbnf 10.0.0.5 -tf- accepted accepted accepted st-nic 10.0.0.51 -t-- accepted refused refused ada-vax 10.0.0.52 ---- accepted accepted accepted afsc-ad 10.0.0.53 T--- accepted accepted cit-20 10.0.0.54 T--- accepted accepted accepted anl 10.0.0.55 ----