The Onion network (TOR) is [pseudo] annonymous network which allows Web-clients to get connections from differnts IP's. There is tor client which is SOCKS5 proxy-server. Tor client get requests from clients and send them to servers which located on tor network and internet. Tor useful to bypass the access blockings which can be used by governments, providers and admins.

Some applications can't connect to tor proxy directly (9050/tcp port). To allow this applications to work with SOCKS5 proxy another proxy can be used. Polipo proxy (3128/tcp) can be used as http-proxy between this application and tor proxy.

To install Tor you can run

chimp install tor

To install Polopo you can run

chimp install polipo