Fail2ban Unban Single Host
run:
iptables -L
For example we need to unban 10.110.11.16
Then get the actual jails list:
fail2ban-client status
Unban command is: fail2ban-client set jailname unbanip m.y.i.p
For unban 10.110.11.16 IP from asterisk jail run command:
fail2ban-client set asterisk unbanip 10.110.11.16