Network Working Group D. Smallberg
Request for Comments: 835 December 1982
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Who Talks TCP?
The list of hosts was taken from the NIC hostname table of 2-Dec-82. The tests were run on 28-Dec-82 from ~12:01 pm to ~8:10 pm PST. Dead, refused, and unreachable hosts were retried 29-Dec-82 from ~8:00 am
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to ~7:40 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 | 3 | 26 | 4 | 36 | 61 | 130
l +-----------+-------------+---------+------+------------+
a tcp | 9 | 0 | 0 | 4 | 11 | 24
i +-----------+-------------+---------+------+------------+
m Nothing | 96 | 10 | 3 | 28 | 23 | 160
+-----------+-------------+---------+------+------------+----
108 36 7 68 95 | 314
FTP Result
accepted or
no tcp/ftp unreachable refused dead accepted+
+-----------+-------------+---------+------+------------+
C tcp/ftp | 3 | 24 | 3 | 34 | 43 | 107
l +-----------+-------------+---------+------+------------+
a tcp | 10 | 0 | 2 | 4 | 8 | 24
i +-----------+-------------+---------+------+------------+
m Nothing | 102 | 12 | 10 | 30 | 29 | 183
+-----------+-------------+---------+------+------------+----
115 36 15 68 80 | 314
no tcp/smtp unreachable refused dead accepted
+-----------+-------------+---------+------+------------+
C tcp/smtp | 5 | 25 | 1 | 21 | 44 | 96
l +-----------+-------------+---------+------+------------+
a tcp | 10 | 0 | 4 | 4 | 6 | 24
i +-----------+-------------+---------+------+------------+
m Nothing | 98 | 11 | 20 | 43 | 22 | 194
+-----------+-------------+---------+------+------------+----
113 36 25 68 72 | 314
Results in alphabetical order:
Name Address Claims Telnet FTP SMTP ---- ------- ------ ------ --- ---- acc 10.2.0.54 ---- ada-vax 10.0.0.52 ---- aerospace 10.2.0.65 T--- d e a d afgl 10.1.0.66 ---- afsc-ad 10.0.0.53 T--- 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 ---- alta-coma 3.1.0.50 T--- ames-11 10.3.0.16 ---- ames-67 10.0.0.16 T--- anl 10.0.0.55 ---- d e a d anl-mcs 10.1.0.55 ---- d e a d 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 accepted accepted accepted 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-unix 3.1.0.4 -tfs accepted accepted accepted bbn-vax 10.1.0.82 -tfs d e a d bbna 10.3.0.5 -tf- accepted accepted accepted bbnb 10.0.0.49 -t-- accepted refused refused bbnc 10.3.0.49 -t-- accepted refused refused 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 bbnf 10.0.0.5 -tf- accepted accepted refused bbng 10.1.0.5 -tf- accepted accepted accepted bbnp 10.2.0.72 -tfs accepted accepted accepted
Results in host table order:
Name Address Claims Telnet FTP SMTP ---- ------- ------ ------ --- ---- ucla-ats 10.0.0.1 ---- d e a d ll 10.0.0.10 ---- su-ai 10.0.0.11 ---- dti-vms 10.0.0.12 ---s accepted accepted accepted gunter-unix 10.0.0.13 ---- cmu-cs-b 10.0.0.14 ---- ames-67 10.0.0.16 T--- mitre 10.0.0.17 T--- radc-multics 10.0.0.18 ---- nbs-vms 10.0.0.19 ---- 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 seismo 10.0.0.25 ---- 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 ---- nosc-cc 10.0.0.3 ---- accepted accepted accepted cca-unix 10.0.0.31 ---- parc-maxc 10.0.0.32 ---- nps 10.0.0.33 T--- lbl 10.0.0.34 ---- nosc-secure2 10.0.0.35 ---- coins-tas 10.0.0.36 ---- src-ccp 10.0.0.39 ---- u n r e a c h a b l e 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+ refused collins-pr 10.0.0.46 T--- d e a d wpafb 10.0.0.47 ---- afwl 10.0.0.48 ---- bbnb 10.0.0.49 -t-- accepted refused refused bbnf 10.0.0.5 -tf- accepted accepted refused st-nic 10.0.0.51 -t-- accepted refused refused ada-vax 10.0.0.52 ---- afsc-ad 10.0.0.53 T--- cit-20 10.0.0.54 T--- accepted accepted accepted anl 10.0.0.55 ---- d e a d sumex-aim 10.0.0.56 ---- tycho 10.0.0.57 ---- nyu 10.0.0.58 ---- etac 10.0.0.59 ---- mit-multics 10.0.0.6 -t-s centacs-mmp 10.0.0.60 ---- u n r e a c h a b l e utexas-11 10.0.0.62 ---- accepted accepted refused afsc-sd 10.0.0.65 ---- mitre-bedford 10.0.0.66 ----