Why do my python programs no longer see network broadcasts.

Peter Hansen peter at engcorp.com
Sun May 4 14:00:16 EDT 2003


Gary Herron wrote:
> 
> A recent upgrade of my linux system to RedHat 9 has caused all my Pyro
> programs to stop working.  By running several tests involving
> Demo/sockets/{brodcast.py,radio.py} (the simplest test of broadcasting
> to be found) and using another machine on the network, I've been able
> to trace the problem down to the fact that programs on the upgraded
> linux machine do not see the broadcast packets. They can broadcast
> just fine, but never recieve a broadcast from anywhere.
> 
> So this is more likely to be a network problem than a Python/Pyro
> problem, but I thought I'd ask here first anyway.  Does anyone have a
> clue of what the problem might be?

No clue, yet, but guessing that it's a network problem seems reasonable.
Maybe posting the output of "route -n" and "ifconfig" would be helpful,
if you don't consider it a security risk.

-Peter




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