Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.
The main differences are: SOCKS V4 does not support authentication. SOCKS V5 supports a variety of authentication methods. SOCKS V4 does not support UDP proxy; SOCKS V5 does and allows for proxying of streaming media. SOCKS V5 also includes PROXY NAME support to move the name resolution process from the SOCKS clients to the SOCKS V5 Server.
