Blocking SSH Brute-Force Attacks: What Am I Doing Wrong?

[Bachilo Dmitry]

В сообщении от Понедельник 13 ноября 2006 12:05 Leo L. Schwab написал(a):
> 	I recently installed FreeBSD 6.1 on my gateway.  It replaced an
> installation of FreeBSD 4.6.8 (fresh install, not an upgrade) on which I
> had disabled the SSH server.  Since all the bugs in SSH are fixed now ( :-)
> ), I thought I'd leave the server on, and am somewhat dismayed to discover
> that I now get occasional brute-force/dictionary attacks on the port.
>
> 	A little Googling revealed a couple of potentially useful tools:
> 'sshit' and 'bruteblock', both of which notice repeated login attempts from
> a given IP address and blackhole it in the firewall.  I first tried
> 'sshit', but after a couple days, I noticed in my daily reports that I was
> still getting lengthy bruteforce attempts, suggesting the 'sshit' was not
> working.
>
> 	So I uninstalled 'sshit' and installed 'bruteblock'.  But again a
> couple days later, the logs showed lengthy bruteforce attempts going
> unblocked.
>
> 	The relevant lines from my /etc/syslog.conf file are:
>
> ----
> auth.info;authpriv.info				/var/log/auth.log
> auth.info;authpriv.info		| exec /usr/local/sbin/bruteblock -f
> /usr/local/etc/bruteblock/ssh.conf ----
>
> 	Any hints as to what I might be doing wrong?
>
> 					Thanks,
> 					Schwab
> _______________________________________________
> freebsd-questions at freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-questions
> To unsubscribe, send any mail to
> "freebsd-questions-unsubscribe at freebsd.org"

Why don't you just relax? :-) All my FreeBSD servers are bruteforced every 
second. So what? 

-- 
------------------------
С уважением, Бачило Дмитрий
Best Regards, Bachilo Dmitry