1
vote
0answers
360 views

fail2ban block retry count always changes

As title mentions clearly, fail2ban block retry count always changes. I set all retry counts to 3; but sometimes it blocks me after 6 or 7 retries. How can set its behavior a constant value? I added ...
0
votes
4answers
3k views

fail2ban or denyhosts to block invalid username login attempts

Is there a way to automatically block IP address when a user tries to login as any invalid username? I already have: [ssh] enabled = true port = ssh filter = sshd logpath = /var/log/auth.log ...
0
votes
1answer
2k views

fail2ban is not sending mail when it bans an ip!

I have configured fail2ban to send me a mail when it bans an IP, but it is not working. I get a message when the jails start and stop but nothing else . I am using ssmtp to send mail via Google Mail. ...
1
vote
1answer
1k views

fail2ban broken after dist upgrade

My fail2ban install is broken after a dist update. I have no idea why it stopped to work. The logfile is over weeks 0 byte. Even if I can see in my server logs that the client should be blocked. Here ...
9
votes
2answers
3k views

potential ufw and fail2ban conflicts

Will running both fail2ban and ufw cause problems? I noticed that fail2ban modifies iptables rules, but ufw already has a ton of iptables rules defined... so I'm not sure if fail2ban will mess these ...