filtering-proxy
Monitor and restrict HTTP/HTTPS requests from processes.
A cross-platform tool for monitoring and restricting HTTP/HTTPS requests from processes using network isolation and transparent proxy interception.
Related contents:
Web filtering solution. Strong and powerfull, with a massively multithreaded architecture designed for thousands of simultaneous users.
e2guardian is an Open Source web content filter, It filters the actual content of pages based on many methods including phrase matching, request header and URL filtering, etc. It does not purely filter based on a banned list of sites.
Red Flag Domains are lists of very recently registered probably malicious domain names in french TLDs. Data are published for security purposes only, and can be used to feed an automatic filtering solution like proxy. More details here.