I'll dip my toes but you'll just have to use camera trickery and CGI for the rest.
The Standard Plan provides its own CGI directory for hosting custom scripts and also supports asp; server-side scripting and server-side includes.
Runnable from TCP wrapper, no CGI nor PHP, plain serving of files with indexing capability.
Regardless of your reasons, CGI proxies used to bypass screening are effective tools and, in the true spirit of the internet, easy to find and implement.
It's a constant game of cat and mouse in terms of Internet security, so if you're going to use CGI proxy make sure you're fully aware of its capabilities and limitations.
