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Operating Systems Solaris Disable telnet for a particular user Post 302426590 by pseudocoder on Wednesday 2nd of June 2010 09:25:34 AM
Old 06-02-2010
Aaa yeah, you're right mate, sorry, I've missed that...

---------- Post updated at 15:25 ---------- Previous update was at 15:00 ----------

This is one way you could do it, though I'm sure it's not the best:
Run script which will monitor established connections from specific user;
if a telnet connection from that user is found, kill that process id.

On FreeBSD I can find the appropriate pid using following command:
Code:
$ sockstat | grep ^user-to-find | grep telnet
user-to-find  telnet     2107  3  tcp4   sourceip:sport    targetip:23
$ kill 2107

Code:
     sockstat -- list open sockets

Now you just need to find a proper sockstat alternative command for Solaris.
 

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telnetrc(4)							   File Formats 						       telnetrc(4)

NAME
telnetrc - file for telnet default options DESCRIPTION
The .telnetrc file contains commands that are executed when a connection is established on a per-host basis. Each line in the file con- tains a host name, one or more spaces or tabs, and a telnet(1) command. The host name, DEFAULT, matches all hosts. Lines beginning with the pound sign (#) are interpreted as comments and therefore ignored. telnet(1) commands are case-insensitive to the contents of the .telnetrc file. The .telnetrc file is retrieved from each user's HOME directory. EXAMPLES
Example 1: A sample file. In the following example, a .telnetrc file executes the telnet(1) command, toggle: weirdhost toggle crmod # Always export $PRINTER DEFAULT environ export PRINTER The lines in this file indicate that the toggle argument crmod, whose default value is "off" (or FALSE), should be enabled when connecting to the system weirdhost. In addition, the value of the environment variable PRINTER should be exported to all systems. In this case, the DEFAULT keyword is used in place of the host name. FILES
$HOME/.telnetrc SEE ALSO
telnet(1), in.telnetd(1M), environ(5) SunOS 5.10 9 Jan 1998 telnetrc(4)
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