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Special Forums IP Networking Users logged in through which NIC Post 302070176 by jallport on Sunday 2nd of April 2006 03:32:15 PM
Old 04-02-2006
Are you logging in with telnet or SSH?

If SSH, check for an environment variable called SSH_CONNECTION.

e.g. SSH_CONNECTION='81.92.103.204 2563 212.101.7.123 22'
that is SSH_CONNECTION='{client ip} {client port} {server ip} {server port}'

I'd stick a line in everyone's .profile to append that variable to a file at login. In that way you'll have generated a tab-separated file containing exactly what you want within about a day.
 

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GETTABLE(8)						      System Manager's Manual						       GETTABLE(8)

NAME
gettable - get NIC format host tables from a host SYNOPSIS
/usr/sbin/gettable [ -v ] host [ outfile ] DESCRIPTION
Gettable is a simple program used to obtain the NIC standard host tables from a ``nicname'' server. The indicated host is queried for the tables. The tables, if retrieved, are placed in the file outfile or by default, hosts.txt. The -v option will get just the version number instead of the complete host table and put the output in the file outfile or by default, hosts.ver. Gettable operates by opening a TCP connection to the port indicated in the service specification for ``nicname''. A request is then made for ``ALL'' names and the resultant information is placed in the output file. Gettable is best used in conjunction with the htable(8) program which converts the NIC standard file format to that used by the network library lookup routines. SEE ALSO
intro(3N), htable(8), named(8) BUGS
If the name-domain system provided network name mapping well as host name mapping, gettable would no longer be needed. 4.2 Berkeley Distribution November 17, 1996 GETTABLE(8)
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