I even use it for skimming the bots hitting the registration part on a public forum:
$ fail2ban-client status apache-log-hurry
Status for the jail: apache-log-hurry
|- filter
| |- File list: access.log
| |- Currently failed: 0
| `- Total failed: 4065
`- action
|- Currently banned: 123
| `- IP list: .............
`- Total banned: 1506