Fail2ban setup

Fail2ban can be used to ban IPs that try to bruteforce the login page. Log level must be set at least to warn.

Add this filter in etc/fail2ban/filter.d/opengist.conf :

[Definition]
failregex =  Invalid .* authentication attempt from <HOST>
ignoreregex =

Add this jail in etc/fail2ban/jail.d/opengist.conf :

[opengist]
enabled = true
filter = opengist
logpath = /home/*/.opengist/log/opengist.log
maxretry = 10
findtime = 3600
bantime = 600
banaction = iptables-allports
port = anyport

Then run

service fail2ban restart