Check any proxy types: HTTP, HTTPS (CONNECT), SOCKS 4, and SOCKS 5 proxy servers. It uses any format of proxy lists (including text/HTML); checks proxy lists of any size; checks proxies anywhere (for example, inside a corporate network with a corporate proxy that doesn't support proxy chaining).
After a long wait for downloading, the software does not show its ability. It always gave connection error "Cannot connect to server" something something.