Proxy Setup and config

Hi,
You don't need to configure every computer to use proxy.
Just set the browser for auto detection, usualy on default.

Please read this:

Or this:
http://wiki.nethserver.org/doku.php?id=howto:how_to_configure_web_proxy_in_transparent_with_ssl_mode

If you need more help, do not hesitate to ask!

BR,
Gabriel