Changes

You would do, for example:

* That would create for you add_gl.sh and del_gl.sh in the current working directory.

* Then run ./add_gl.sh and all packets destined to google will be marked with MARK 1

#!/bin/sh

#

#

IP=`nslookup $1 | grep -E '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | tail -n1 | cut -d\ -f3`