The following lines were added (+) and removed (-):
* filter : a filter defines a regular expression which must match a pattern corresponding to a log-in failure or any other * expression* action : an action defines several commands which are executed at different moments* jail : a jail is a combination of one filter and one or several actions. Fail2ban can handle several jails at the same time* client : refers to the script fail2ban-client* server : refers to the script fail2ban-server