Viva!
Se deres uns toques em Linux podes tentar o seguinte SW
Public IP's ZoneCD . Além de ser gratuito é fiável e até corre em LiveCD.
Características:
Open Mode
* Homepage Redirection
* Customize ZoneCD splash page
* Content Filtering (block porn, downloads, etc.)
* Customize Firewall rules
Closed Mode
* User authentication/registration
* Homepage redirection
* Bandwidth shaping
* Daily time limits
* Daily download limits
* Zone open and close times
* Block by mac address
* Configure end-user network permissions(Classes)
* Customize firewall rules for each Class
* Content Filtering (block porn, downloads, etc.)
* Daily Log Mailer program
* Block traffic to *wired* network
* Customize ZoneCD login pages
* Branded "Terms of Use" template or use your own
* Usage statistics
* Multilingual login pages (Dutch,French,German,Spanish,English)
* End-User reporting
Esquema de ligação:
Link site:
http://www.publicip.net/