You'd be better off using a an IPTables based firewall you can tweak its setup that does the proxying. There are "web based control" router/firewall setups that do that.
Personally, if you want that level of stuff... nobody but you is going to be able to make what you want.
Any opinions expressed by me are mine alone, posted from my home computer, on my own time as a free American and do not reflect the opinions of any person or company that I have had professional relations with in the past 55 years. meep