fail2ban-unbanall.sh

[root@test ~]# cat fail2ban-unbanall.sh 
#!/bin/bash

if [ -z "$1" ]
  then
    fail2ban-client status 
    echo "Please choice JAIL for argument." 
    echo "Sample: ./fail2ban-unbanall.sh jail-name"
    exit 0
fi

JAIL=$1

fail2ban-client status "$JAIL" &> /dev/null
if [ $? -ne 0 ]; then
    echo bad jail.
    exit 255
fi

[ -e "$HOME"/f2b-backup ] || mkdir "$HOME"/f2b-backup
if [ -e "$HOME"/f2b-backup/"$JAIL".lst ]; then
    echo overwrite "$JAIL".lst? y/n
    read OVR
fi

ADDRS=$(fail2ban-client status "$JAIL" | egrep -o '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}')
[ "$OVR" != 'n' ] && echo "$ADDRS" > "$HOME"/f2b-backup/"$JAIL".lst

echo unbanning $(echo "$ADDRS" | wc -w) ips...

for ADDR in $ADDRS; do
    fail2ban-client set "$JAIL" unbanip "$ADDR" 1> /dev/null
done

echo ByeBye Mission Complete.
[root@test ~]#