Comment on The OpenSSH Bug That Wasn'tparentComments−feld11yUnless they can provide a username that crashes fail2ban via blowing up the regex parsing... and then they get all the free tries they want.fail2ban/sshguard/etc are not infallible. Someone will find a way to break them.−mzs11yI think fail2ban does not do IPv6 yet.−Aloha11yI also get 0 attempts via IPv6 interestingly enough. That said, I think fail2ban does support v6 now, but not all of the firewalls do (like ipfw on my ancient ppc mac)
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Unless they can provide a username that crashes fail2ban via blowing up the regex parsing... and then they get all the free tries they want.
fail2ban/sshguard/etc are not infallible. Someone will find a way to break them.
I think fail2ban does not do IPv6 yet.
I also get 0 attempts via IPv6 interestingly enough. That said, I think fail2ban does support v6 now, but not all of the firewalls do (like ipfw on my ancient ppc mac)