This software can help families or small business to limit internet use. With COMLOCK you can specify periods to allow Internet use. You can specify a maximum use duration per day,week or month too. COMLOCK includes several internal security process to avoid time-hacking ( time change disabler, automatic time adjustement from Internet ... ). Simple to install and use, COMLOCK is discreet and uses small amount of system ressources. It works with all protocols ( http, ftp, nntp, smtp ) and a lot of ISP.