При включении sshd jail я вижу Starting fail2ban: ERROR NOK: ("Failed to initialize any backend for Jail 'sshd'",)
ERROR NOK: ('sshd',)
В журналах: ERROR Backend 'systemd' failed to initialize due to No module named systemd
ERROR Failed to initialize any backend for Jail 'sshd'
В Centos 6.7 нет модуля systemd. CentOS 6.7, Python 2.6