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Network Security Focus-Linux
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Re: iptables & tcp wrappers

Subject: Re: iptables & tcp wrappers
Date: Fri, 1 Oct 2004 23:18:35 -0500
Im getting also frequent attempts to log into ssh on some servers using
those exact usernames from different ip's. Its it a worm or just some
new h4x0r tool ? anyone ?

It is nothing more than a compiled "tool" for hackers. Requires zero skill to compile it and run it against a range of IP address.


You can find the source in the link below.

http://www.k-otik.com/exploits/08202004.brutessh2.c.php

The number of attempts has gotten so bad that I have disabled SSHd from listening on the external interfaces of our servers much like you suggested, Francisco.

Tom Walsh
eXpressHosting


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