Re: VPN and "zombie" telnet pseudo ttys

From: Ronald J Marchand (ron_at_rojomar.com)
Date: 11/02/04


Date: Tue, 2 Nov 2004 11:20:09 -0600


"RP" <pet7447@earthlink.net> wrote in message
news:4187ba27.3655286@news.east.earthlink.net...
> Main Office: SCO OSR 5.0.6 with LAN, DSL Internet connection,
> static IP address, VPN router
> Branch Office: Win2000 Prof with LAN, DSL Internet connection, static
> IP address, VPN router
> I have a VPN tunnel from the branch office to the main office. I use a
> telnet login (Termulator telnet client) from the branch to the main
> office and run a character based application at the main
> office. When I login at the main office, I get assigned a pseudo tty,
> ttyp0 for the first login, ttyp1 for the next, and so on.
>
> Unfortunately, I occasionally lose the DSL connection momentarily, and
> I lose the telnet login at the main office. This causes a problem:
>
> When I login again, I get assigned the next pseudo tty, i.e.ttyp1
> because the ttyp0 is not released by the system. That is, the who
> command still shows the first login, ttyp0, as connected. Since I have
> several users logging into the main office, I quickly reach my 5 user
> license limit.
>
> Any ideas how I can prevent these "zombie" logins?

5.0.6 will complain when you go over your user limit but will not stop you.

What does ps -ef | grep "ttyname" show?

I have a similar circumstance with Merge sessions where the initial process
dies but the merge session doesn't.

Ron



Relevant Pages

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