On Tue, 2009-11-24 at 14:08 +0300, AhmedPanel wrote:
> Hello folks,
> 
> An intruder accessed my system possibly through "ssh" and deleted the
> whole log directory. This morning, clients on a LAN could not access
> internet because machines could not get IP addresses. When I accessed
> the server, there's internet at the server but cant go beyond.
> Restarting the system, could not even start "system logger" I tried to
> check the log messages, the log directory could be traced up. cd
> to /var, I only found two directories 
> 
> lock and run
> 
> How based can I recover this server without doing a fresh installation
> and configuration?. This is a server running as a mail server too.
> 
> 
> Looking forward to hearing from you.
> 
> 
> Best,
> Ahmed

Hi Ahmed,

>From the security perspective fresh install is the only way to go, you
cannot be sure that your current system is not compromised, there could
be some back-door left so even changing the passwords and removing ssh
keys might not help.

Regards
Paul Ryszka


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