On Wed, Jan 27, 2010 at 1:11 PM, Jason A. Nunnelley <jason@jasonn.com> wrote:
On Wed, Jan 27, 2010 at 1:03 PM, Domenic Santangelo <domenics@gmail.com> wrote:
I'm hearing some complicated attack vectors being tossed around in here (password sniffing, mitm, etc) -- don't forget about a pretty simple one: dictionary attacks. I recently took over a project for a small-medium sized client and upon looking at the secure log noticed 50k+/day dictionary attacks against SSH. I installed fail2ban and now get 5-6 emails daily about brute-force hack attempts.
Just wonder why you don't simply block attempts beyond 5 or 10.
If you are going to go through the effort of fail2ban and similar software why not use Public Key Authentication and call it good? Samir Nassar http://samirnassar.com