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Limit number of concurrent Connections/Logon

Posted on 1998-11-06
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Last Modified: 2012-05-04
I want to limit the number of telnet sessions that a users can have at one time, and set it to 3 or 4. Is there a command that will do this in AIX 3.2
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Question by:santama
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fredfan earned 200 total points
ID: 2007676
Basically you can't do that unless your users are telneting thru another device. Fo example in HP you have something called DTC whereby from the DTC Openview management tool you can set how many session a user can telnet or to which server.

Anyway I suggest you try controlling them thru the user's .profile / .login file.
Below is an example of UNIX script where you can append to the user profile before they can do anything.

## limit user login to 3 times max only
##
USER=`whoami`
cnt=`who -H | grep -c "^${USER} "`
if [ $? -ne 1 -o ${cnt} -gt 3 ];then
        # Same User exists
        echo "\n\07Sorry, user ${USER} already login more than 3 times!"
        sleep 5
        exit
fi
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by:santama
ID: 2007677
That is good enough for what I want.

Thanks.
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