NiX - Linux Proxy Checker Features: - Reliable results - A thoroughly tested proxies - A fully multi-threaded - Country detection - Supported proxies: HTTP(S) CONNECT, Socks 4, Socks 4a, Socks 5 - Protocol Auto-detection - Proxy delay information - Filters based on IP Subnet Mask, Port and RDNS - Advanced logic and settings Online demo Download Enjoy the kickass Linux ProxyChecker. If you are tired of empty promises or unreliable Windows checkers. Try out NiX. See INSTALL in the package for more details and requirements. Both 32 and 64bit versions are included.