Protect SSH from brute force attacks with pam_ablhttp://www.linux.com/article.pl?sid=07/03/20/2043209
Monday March 26, 2007 (05:01 PM GMT) By: Ane Vidmar <mailto:[EMAIL PROTECTED]> Practically all Unix and Linux servers run an SSH service to let administrators connect securely from remote locations. Unfortunately for security administrators, attacks on SSH services are popular today. In this article I'll show you how can you protect machines running SSH services from brute force attacks <http://en.wikipedia.org/wiki/Brute_force_attack> using the pam_abl <http://sourceforge.net/projects/pam-abl> plugin for SSH pluggable authentication modules (PAM <http://www.faqs.org/docs/Linux-HOWTO/User-Authentication-HOWTO.html#AEN\ 101> ).
