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From: Yahoo - CQRMail (cqrmailyahoo.com)
Date: Thu Oct 25 2001 - 20:58:05 CDT

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    My snort IDS picked up a bunch of X11 signatures:
    http://www.whitehats.com/info/ids126
    Source IP is a random public address, Source port is 6000...random
    destination inside ports.

    I have blocked 6000 at the firewall, but I don't know where to begin
    tracking down what is compromised on the server. I am running Mandrake 8,
    only ports allowed are 80 and 22...xdm has been disabled.

    I didn't see much in the logs, so where should I begin? and what should I
    look for?

    I will probably rebuild the server, but I would like to see if I can find
    out what has been down first, so I can be prepared later...

    TIA...new to linux, so I apologize for my crude question,
    Tony


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