UDP sockets

Jeff Vian jvian10 at charter.net
Tue Jul 27 16:53:01 UTC 2004


On Tue, 2004-07-27 at 06:06, Doru-Catalin Togea wrote:
> Hi!
> 
> I have two simple client and server programmes which listen and send to
> a UDP socket, on a common port, 50001. They worked when I was running RH
> 9.0 (2.4.20) but they do not work anymore under FC2 (2.6.7).
> 
> Specifically, the client blocks on the recvfrom() call and never gets
> anything, while the sender repeatedly sends data.
> 
> The only change I can see from when I run them under RH9 and now, is that
> under RH I was sending small datagrams, 600+B, while now they are
> large, 28+KB.
> 
> Is something fundamentally changed in the way UDP sockets work under FC2,
> compared to how is was previously?
> 
> Thanks if anyone can help,
> Catalin
> 

Maybe iptables is blocking that port?
> -- 
> 
>         <<<< ================================== >>>>
>         <<     We are what we repeatedly do.      >>
>         <<  Excellence, therefore, is not an act  >>
>         <<             but a habit.               >>
>         <<<< ================================== >>>>
> 





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