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Protect SSH from brute force attacks with pam_abl

Posted by Scott_Ruecker on · 1 comment
Linux.com; By Anže Vidmar 		Mail this story
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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 using the pam_abl plugin for SSH pluggable authentication modules (PAM).

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Comments (1)

Sander_Marechal ·
Personally I use DenyHosts: http://denyhosts.sourceforge.net/

That protects all logins, not just SSH, and you can sync to an online list of known hackers, bots, etcetera that try to brute force their way into your machine. Very nice and very flexible.

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