I'm trying to install, and understand, antclick site server on a MacOS X 10.4.2

Getting the antclick server up on port 8080 was successful.

However, macos x comes with apache on port 80 (turned on via Sharing->Services->Personal Web Sharing), and a pre-set firewall (turned on via Sharing->Firewall).

If I turn off personal web sharing (to shut down apache) and launch antclick on port 80, http requests give "can't connect to server" error

Is it possible to run antclick on port 80? Is it not a good idea to start with?

Thanks, José