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Transparent proxying (a.k.a. forcing everyone to use proxy)

Transparent proxying intercepts all web requests on port 80 that would otherwise pass through the NetManager to the Internet. It passes on the request to the local proxy. There are couple of limitations:

• You cannot transparently proxy https traffic
• It is incompatible with proxy authentication

Enabling transparent proxying

You need to determine three things:

1. Which network interface you want to intercept the traffic on (e.g. wm0)
2. Which port number should be intercepted (generally 80 for http)
3. A free port for the web proxy to use (e.g. 3200)

Then create a line like the following in the NetManager configuration file:

nat_transparent="wm0:80:3200"

And then run build_server from the command line