Alternative solutions

• Squid: using the cache_peer directive and translating the given PAC file into Squid ACLs.
• SpechtLite: and translating the PAC file into the SpechtLite YAML configuration format (unmaintained).
• Px: A HTTP proxy server to automatically authenticate through an NTLM proxy (can handle PAC files). Written in Python and focus more on Windows machines.
• Cntlm: a NTLM / NTLMv2 authenticating HTTP/1.1 proxy. Cannot handle PAC files (unmaintained).