Then you can run go-proxy (or -p 8080 for some other port)
Blacklist
Included are outgoing hostname and incoming source address blacklists. You can configure them under proxy/blacklist.json.
Note You do need to setup this proxy behind a load balancer (typically nginx or haproxy) as it expects to read X-Forwarded-For or other remote address / request forwarding headers. You can disable this behaviour be removing the blocked sourceIPs in the blacklist json file.