Touted as "the open source firewall," you ... specifying everything from network topology to the kind of Web application blocking that's desired. Configuring the Web proxy (Apache) involves ...

over your ISP's network, across the internet, and into the remote web server. Your request can be filtered at any stage, but generally it's at the local router (the school/corporate firewall) or ...

Additionally, it'd be a significant quality of life improvement to be able to run the reverse proxy off a local nameserver, ...