What is the Express Agent server

Express Proxy Server is when you enter the address of a site, the browser will directly connect the site information, and then send the information back to the browser, read out, presented on the display. The proxy server is another server between the browser and the server, is the network Information Transit station. With the proxy feature, the browser will first send the request to the proxy server, which will then complete the request by the proxy server and return the data back to the browser.

Proxy server commonly used ports are: HTTP proxy: 80/8080/3128/8081/9080 socks Agent: 1080 FTP agent: 21 Proxy Server has buffering function, like a large cache, it has a lot of storage space, It keeps the new data stored on its native memory, if the user requests data that is already present on its native storage and is up to date, it does not retrieve data from the requested server and transmits data directly to the user on the storage, which can significantly improve browsing speed and efficiency.