On Wednesday 03 January 2007 08:18, Jay Askren wrote:
> If there is a way to use Dan's Guardian to filter
> the computer it's on so it's not easy to get around the filter, I'd be
> interested in hearing how to do that.
I can think of two.
First, you can use iptables to set up a transparent proxy, so that any and all
connections to port 80 get routed through the proxy. Turning off that
filtering requires root privileges. If you're not familiar with iptables,
it's pretty easy to set such stuff up with one of the firewall construction
tools. If I get a few minutes later today, I'll put together a step by step
recipe. It's not difficult. What Linux are you using?
The other option is to configure the browser so that the user cannot modify
the proxy server settings. I don't know if that's possible with FF, but it
definitely is possible with Konqueror. You could install and configure Konq,
use the kiosk mode stuff to disable modification of the proxy settings and
remove all other web browsers.
Shawn.
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