Web Proxy Checker

Check SOCKS4/SOCKS5/HTTP/HTTPS proxies with and without authentication. Format of proxies with authentication: proxy_user:proxy_pass@proxy_host:proxy_port. Format of proxies without authentication: proxy_host:proxy_port Check for connect to the specified host:port. Check for URL (using HTTP GET or POST requests). Load and combine proxies without checking. Multithreaded. Handle redirects. Download proxy lists from the web. Customizable User Agent. Customizable HTTP Headers (Accept, Accept-Encoding). Built-in proxy distribution web server. Proxy country detection. RBL (DNSBL) check.