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    SubjectRe: kernel.org status: hints on how to check your machine for intrusion
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    From: Steven Rostedt <rostedt@goodmis.org>
    Date: Sat, 1 Oct 2011 14:06:41 -0400

    > For my machine that is connected to the outside world, I have a script
    > that runs every night that checks for attacks. As bots constantly look
    > for port 22 and 80, they find my machine without issue. When my script
    > detects a bunch of ssh login attempts that fail, it will add that ip
    > address to the iptables DROP chain:

    By running sshd on a different port, you'll avoid the login attempts
    as well as the overhead of the successful connection attempts.

    I haven't allowed sshd to run on port 22 in more than 10 years.


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