Fail2ban not banning

Hi,

I am having trouble with fail2ban.

Everything is configured correctly except fail2ban isn't banning.

2016-09-30 16:07:12,423 fail2ban.jail [17905]: INFO Jail 'plesk-wordpress' started
2016-09-30 16:07:12,428 fail2ban.jail [17905]: INFO Jail 'xmlrpc' started
2016-09-30 16:07:32,124 fail2ban.filter [17905]: INFO [plesk-wordpress] Found xxx.xxx.xxx.xxx
2016-09-30 16:07:37,872 fail2ban.filter [17905]: INFO [xmlrpc] Found xxx.xxx.xxx.xxx...

Fail2ban not banning