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This article mainly introduces the differences between different protocol types of proxy servers, which can be used for reference by interested friends. I hope you will gain a lot after reading this article. Let's take a look at it.

The proxy server first receives your request and then sends it to the Web server. The Web server then processes the request and sends the requested information back to the proxy server, which finally sends the requested data back to you. According to the protocol used by the proxy server, the common agents are HTTP, HTTPS, and SOCKS5. So, what's the difference between agents of different protocol types?

1. HTTP agent

A HTTP proxy is any proxy server that connects to a Web server or client (browser) using Hypertext transfer Protocol (HTTP). Due to the widespread use of HTTP on Internet, most agents are HTTP agents. HTTP connections interpret data more easily than SOCKS protocols, so HTTP agents are generally used for crawlers.

2. HTTPS (SSL) agent

SSL (HTTPS) proxy: the SSL or secure socket layer is the security layer attached to the HTTP to make it HTTPS. This layer adds security certificates for end-to-end encryption to prevent eavesdropping during data transmission. The HTTPS agent helps you stay secure when you use your user name and password to conduct transactions or log on to a website.

3. SOCKS5 agent

The SOCKS5 agent supports a variety of applications, while the SOCKS5 agent adds more advanced security features to ensure secure connections.

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