Hi all i have developped some front end to user to login and log out using Visual c++ and i want to count how many minutes he is online and how many minutes he has reamaining. all the things are working fine.... all users have static IP and ARP table is binded to specific user PC MAC when the user looged in, iam replacing the FORWARD rules with ACCEPT when he logged out iam replacing the same FORWARD Rules wiht DROP the problems after this is. 1. after Dropping the Forward Rules, still he able to browse the existing site which he is browsing but he is not getting any new sites, so i feel he is able to get the existing connection data. 2. when he connect to Yahoo Messenger, he is not disconnecting, his connection is continueing what iam looking is, i want to drop all his rules when he logged out, so he will not get any browsing nor he should able to loggin any chat Servers any more help will be appriciated thanks in advance hare