Port Enter the port number to connect to the proxy server (usually 1080, 80, 8080, 3128, etc.). Protocol Choose the protocol used by the proxy server. Proxifier supports four protocols: SOCKS version 4(A): a legacy proxy server protocol that does not support authentication. You can specify only User ID., (Note that the proxy server can run on different ports, e.g., 80, 8080, 3128.) The proxy IP came from a free proxy list (link below). Direct HTTP connection HTTP Proxy connection, The string “+”:8080″ +”:3128″ +”:3128″ +”:80″” is a search query used to find proxy servers. Proxy servers act as intermediaries between your device and the internet. They can hide your IP address, bypass restrictions, and improve security., HTTP: HTTP proxies are widely used, with the most common ports being 80, 8080, and 3128. They’re great for filtering data and caching downloading files for faster website downloads. HTTPS: HTTPS proxies provide more security and SSL support. They normally use port 443, but can use 80, 8080, and 3128., What is Squid Proxy Port (3128)? The Squid proxy port, typically designated as port 3128, is commonly employed for caching or forwarding proxies. While this port number is the default for caching proxies, it is also utilized in conjunction with other ports for various proxy types, including ports 80, 8080, and 443 among others., .