Re: Brute force attack - need your advice

[Valdis.Kletnieks () vt edu]

On Tue, 12 Feb 2008 17:38:07 +0530, Abilash Praveen said:
> Ok - I may not be able to lock in the SSH to a particular IP, but can
> ofcourse try port-knocker and a non-password-based SSH. I will research a
> bit about these as i'm not very familiar with a port-knocker and a
> non-password-based SSH yet.

Here's a nice iptables-based port knocker for SSH (or any other service for
that matter):

http://www.debian-administration.org/articles/268

Or you can use knockd:

http://www.zeroflux.org/cgi-bin/cvstrac.cgi/knock/wiki

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