rendered paste body#!/bin/bashfunction check() {info=`cat /var/log/wirefall | grep ^${1}`if [ "$info" != "" ]then echo "Error: \"$1\" already blocked/unlocked" exit 1fi}if [ ! -e /var/log/wirefall ]then touch /var/log/wirefallfiif [ "$2" == "on" ]then check APPEND="-A" INSERT="-I" echo $1 >> /var/log/wirefallelif [ "$2" == "off" ]then check APPEND="-D" INSERT="-D" cat /var/log/wirefall | grep -v $1 > /var/log/delete && mv /var/log/delete /var/log/wirefallelse echo "Error: \"off\" or \"on\" expected as second argument" exit 1fi #iptables $INSERT INPUT -s $1 -j DROP#iptables $INSERT OUTPUT -d $1 -j DROP#iptables $INSERT FORWARD -d $1 -j DROP #echo "IP \"${1}\" drop ${2}."exit 0