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Re: How should I react to break in attempts



----- Original Message ----- From: "Arthur Pemberton" <dalive flashmail com>
To: "For users of Fedora Core releases" <fedora-list redhat com>
Sent: Friday, April 08, 2005 9:25 AM
Subject: How should I react to break in attempts



I'm gettign mail from logwatch as to the following:

root (en201247.uac63.hknet.com): 3 Time(s)


What's my best plan of action to respond to such? Yes I root logins via sshd disabled.


Thanks for the advice.

Since you have remote root access disabled, the only other thing you can do is to just make sure that everyone uses strong passwords on the machine. You can also limit users who can su to root following the instructions at http://www.faqs.org/docs/securing/chap5sec43.html.


That way even if they do break in as user joe, if joe is not a part of the wheel group he can never brute force or dictionary attack the root account.

Thomas


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