Features:

Discovery Jails,

Monitor service and jails,

Jails graph

Install:

1) Create file /etc/zabbix/zabbix_agentd.d/fail2ban.conf

2) Content file:

UserParameter=fail2ban.status[*],fail2ban-client status '$1' | grep 'Currently banned:' | grep -E -o '[0-9]+'

UserParameter=fail2ban.discovery,fail2ban-client status | grep 'Jail list:' | sed -e 's/^.*:\W\+//' -e 's/\(\(\w\|-\)\+\)/{"{#JAIL}":"\1"}/g' -e 's/.*/{"data":[\0]}/'

3) Change zabbix agent configuration (Don't forget uncomment lines) /etc/zabbix/zabbix_agentd.conf

OLD: UnsafeUserParameters=0

New: UnsafeUserParameters=1

and

OLD: AllowRoot=0

New: AllowRoot=1

4) Restart zabbix agent:

systemctl restart zabbix-agent.service

5) Import template

6) Assign template to host.

Time to cofee.