Use your firewall to block traffic from those systems to the Internet.  You could also set-up a http proxy  to control web access and only allow certain users access to the web.

Dusty

> 
> is there a way to not let certain computers access the internet, like 
> blocking their connection? ( to be done on my own network )
> TIA 
> 
> Julio
> -- 
> OS X: Because making UNIX user friendly was easier than debugging Window$.
> 
> ---
> You are currently subscribed to luau as: dusty@sandust.com
> To unsubscribe send a blank email to $subst('Email.Unsub')