HTTP proxy and SOCKS proxy are both common proxy services, and they are mainly divided according to different protocols. In this article, we will sort out what HTTP proxy and SOCKS proxy are, and what are their differences?
HTTP proxy , full name [HyperText Transfer Protocol Proxy], is a proxy server based on HTTP protocol. It is mainly used for forwarding and caching HTTP requests, and can parse HTTP messages and forward them accordingly according to the target URL of the request. HTTP proxy can filter, modify or intercept according to the client's request, and allow or prohibit specific access requests. Because it is based on HTTP protocol, HTTP proxy is mainly used in the proxy settings of web browsers, allowing browsers to access Internet resources through proxy servers.
SOCKS proxy , which stands for [SOCKS (Socket Secure) proxy], is a general proxy protocol that is not limited to a specific application layer protocol. It can handle any type of network traffic, including HTTP, FTP, SMTP, and so on. SOCKS proxy mainly works at the transport layer, passing the client's request to the target server by establishing a TCP or UDP connection. SOCKS proxy does not parse or modify the transmitted data, but only acts as a transit, passing the request and response directly to the connection between the client and the server.
From the perspective of functions and application scenarios:
HTTP proxy is more suitable for the proxy settings of web browsers.
It can perform advanced web filtering and content control, allowing or prohibiting access to specific URLs or domain names, and implementing web content filtering and access control. At the same time, HTTP proxy can also provide caching functions to reduce network traffic and increase access speed. Therefore, HTTP proxy is a good choice when fine-grained control and optimization of web browser requests are required.
The SOCKS proxy is more versatile and flexible.
It is suitable for proxy settings of various applications and can handle network traffic of different protocols. SOCKS proxy can implement global proxy settings, so that all applications can be accessed through the proxy server without setting proxy parameters for each application separately. For some application scenarios that need to achieve tunnel connection or cross firewall through proxy server, SOCKS proxy is a more suitable choice
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