If the other side of the connection was through a masquerading firewall,
then the masquerading timeouts are probably what's causing the freezing.
(Or the other end is timing out and hanging up and your rsh kludge
can't catch that - are you using trap in the script?)
I don't suppose you would mind posting your script?
I've been using pmtty to do something similar, but its an old c-program
kludge.
"Karl J. Runge" wrote:
>
> Hi,
>
> I was wondering if anyone out there knew of software for Linux or Unix
> that allows one to share a modem device over the network? E.g. a Comm
> program (say pppd) running on computer A is able to use the modem device
> (say /dev/ttyS0) that exists on computer B.
>
> I believe I have heard of such things for DOS/Windows, but I can't
> seem to find anything like this for Unix. My plan is to setup a backup
> internet connection (PPP dialup) for my firewall box, but the modem is
> on another machine in the LAN.
>
> I was able to rig up a quick kludge that uses rsh to glue a
> master+slave pty on one machine to a process (e.g. cu) talking to a
> modem device on a 2nd machine. pppd acts at though the pty is a local
> modem. Amazingly it works, but it usually wedges itself after about
> 30 mins and so I was wondering if there was a more careful solution out there.
>
> Thanks,
>
> Karl
>
> PS: I realize for $30 I could get a 2nd modem and jam it into the firewall
> box, but these software-only solutions are so much more fun ;-)
>
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