If you have used a proxy server, it is not difficult to see that you want to enable the proxy server in the QQ settings. There are several ways to choose. If you don’t see clearly, what are the corresponding proxies, such as HTTP, HTTPS, and SOCKS proxy If you mean, you can follow the editor to read the following carefully.
Detailed agent classification:
1. HTTP proxy: It can proxy the client's HTTP access. We use http proxy when browsing web pages and downloading data. Its ports are generally 80, 8080, 3128, etc.
2. HTTPS proxy: HTTP protocol is not encrypted during transmission. If private files are transmitted, there is a risk of insecurity. To ensure security, HTTPS appears. In fact, the HTTPS protocol is established by the SSL+HTTP protocol, a network protocol that can encrypt the transmission process, and is more secure than the HTTP protocol to transfer files. HTTP and HTTPS use different ports. HTTP is 80 and HTTPS is 443. Of course, the connection method is also completely different. HTTPS and SSL support the use of X.509 digital authentication, and the user can confirm who the sender is if necessary.
3. SOCKS proxy:
① The proxy server that adopts the SOCKS protocol is the SOCKS server, which is a universal proxy server.
②SOCKS proxy is divided into SOCKS4 and SOCKS5. The difference between the two is that SOCKS4 proxy only supports TCP protocol (that is, transmission control protocol), while SOCKS5 proxy supports both TCP protocol and UDP protocol (that is, user data packet protocol), and also supports various Various authentication mechanisms, server-side domain name resolution, etc.
The above is the detailed introduction about the agent. If you are interested, you may wish to try it~