your favourite method of dealing with ssh brute force attacks

Athmane Madjoudj athmanem at gmail.com
Wed Mar 17 21:59:03 UTC 2010


2010/3/17 Michał Piotrowski <mkkp4x4 at gmail.com>:
> Hi,
>
> I recetly had 30 hours of ssh brute force attack on my system. I'm
> using strong passwords, but still can be geneated from /dev/random, so
> I switched to rsa authentication. What's your favourite way to deal
> with such attacks? Please describe pros and cons.
>
> Regards,
> Michal
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1. Change SSH port
2. Disable access to root via SSH
3. Install HIDS eg: fail2ban is included in fedora OR BFD
(http://www.rfxn.com/projects/brute-force-detection/)


-- 
Athmane Madjoudj


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