A proxy server is a dedicated computer or a software system or program that plays the role of the intermediary between the user's computer and the Internet. This client computer is able to establish an indirect network connection on any other network.
How it works?
When using a proxy server, client computers first connect to the proxy server and request resources such as a web pages, games, videos, mp3, e-books, or anything else that user needs from the internet Yes. As soon as the request is received by the proxy server, it tries to search the information from its cache or hard disk, if the resources are found in cached, then it returns them to the client computers. If not, then connect to the relevant servers. By placing the requests of resources on the behalf of client computers. After that, the request resources are taken from the remote server and then cache it and returns the resources.Proxy server's cache is a great advantage. The cache of the proxy server can satisfy a lot of user demand. If many sites or resources are accessed repeatedly, the cache gets better with proxy so that its response time becomes better. One of the most important thing is that the remote website which is accessing the client computer can never be directly connected as it is forwarding through the request proxy server.
Today, we use a proxy server for a number of reasons, such as for the Internet connection sharing in the local area network, to hide the IP address of your computer, to implement Internet access control, to access blocked websites, To speed up internet surfing, bpass to regional restrictions etc.
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