On Thu, 2006-02-16 at 11:55 +0530, Shijithlal wrote:

>   Most intresting part of this is, after two or three hours the data
> traffic automatically stops and the very next day it start almost the
> same time.

Have you installed any new programs on the gateway with a cron
triggering traffic at a specific time?   Like others have suggested,
look at the dump of sample packets - if the destination IP does not look
familiar then you system is most likely hosed.

Hopefully, you used tripwire or aide to baseline your system after
installation/configuration to verify checksum integrity of the files in
your system.  You can also use portsentry to block intruders.

IMO blocking traffic to a specific IP/network may work as a stop gap
measure until the trojan figures it out and tries other zombies on the
'Net.  Best is to start with a clean system.
-- 
Arun Khan
Linux is like a wigwam - no gates, no windows, apache inside



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