Hi Leon,

if someone is trying to register of start a call, you should see a
RegistrationRequest or a Setup from that IP in your trace and your
authentication policies should block it.

If you don't see any messages from those IPs, maybe somebody is doing
port scans on your server ?

Regards,
Jan


Leon Li wrote:
> Hi all,
> 
> I saw the following logs in my gnugk constantly. The port is changing every 
> time. However, I can't see any TCP connections on those IP at all.
> 
> 2012/06/28 04:51:06.469 3           yasocket.cxx(799)   Q931s   Delete socket 
> 111.118.164.210:41433
> 2012/06/28 04:51:12.718 3           yasocket.cxx(799)   Q931s   Delete socket 
> 202.73.56.236:58301
> 
> Are there some actions try to register or setup calls (Q931)? Any suggestion 
> on stopping this?
> 
> Regards,
> Leon


-- 
Jan Willamowius, [email protected], http://www.gnugk.org/

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