Under the wave of the big data era, overseas business has ushered in a blowout period. Many practitioners need to deal with overseas agents frequently in their daily work, but many newcomers are often confused about the proxy protocol. HTTP and HTTPS may be more common when visiting websites, but the SOCKS5 proxy may be less familiar.
1. HTTP Proxy
HTTP is Hypertext Transfer Protocol, which is based on the Internet data exchange. It is a text-based connectionless protocol that can be used to obtain resources of Hypertext Markup Language (HTML) or other scripting languages (such as CSS) and transmit web information between servers.
HTTP is generally called a client-server protocol because it can request to be sent from the client to the server to obtain data such as pages, images or videos. After the request is completed, the connection between the web browser and the server will automatically end. Therefore, the client needs to reconnect both ends every time it sends a request. HTTP proxy is a proxy specifically designed to connect and run in client-server mode through HTTP.
Like other common proxies, HTTP proxy pages can be used as gateway intermediaries: HTTP proxy is located between the server and the client (Web browser), and can be widely used in various businesses that require high security and privacy protection.
2. SOCKS5 Proxy
SOCKS stands for SOCKetSecure and is commonly used for traffic-intensive activities such as content streaming or P2P sharing. Socks runs at the fifth layer of the OSI seven-layer protocol, the session layer, and Socks5 is the latest version of the Socks protocol, which can implement high-anonymous proxy. Compared with Socks4, Socks5 adds an authentication mechanism, which can set up identity authentication to establish a complete connection. SOCKS5 uses the Transmission Control Protocol (TCP). This connection is usually used to send and receive data packets over the Internet and ensure that resources can be successfully transmitted over the network.
When using a SOCKS5 proxy, the proxy will automatically help the user client TCP protocol route network traffic through the proxy server according to the user client. Like other proxies, SOCKS5 proxies can also hide the client IP address and help bypass geographical restrictions. Unlike HTTP, SOCKS5 network data cannot be read directly and is generally used to assist in communicating with websites that have firewalls and restrict access to ordinary customers. The biggest difference between the two is that SOCKS5 proxies can run on any port according to any network protocol and will not ask about the content of the information transmitted.
In general, HTTP proxies are widely used in email filtering and network security projects because they can identify data packets and filter data according to specific needs, which is very safe. HTTP proxies can also be used for web scraping and data mining.
SOCKS5 is more flexible in agent applications due to the compatibility of protocols and ports. It cannot read network data and is usually used to assist in communicating with websites that have firewalls and restrict access by ordinary customers. Which one to choose is also determined by demand, and there is no absolute problem.
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