[nycbug-talk] Adaptive firewalling in FreeBSD -- how can?

csnyder chsnyder
Mon Oct 25 11:21:32 EDT 2004

I'm seeing a lot of failed logins for random users in the auth.log
lately -- something trying out a list of 10-20 username/password
combinations over ssh.

Is there a simple way to dynamically block hosts with too many (more
than six) failed ssh logins in a row?


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