Any device or software on the Internet usually belongs to one of two roles: client or server. The client (for example, your Web browser) makes a data request to the server. When you use a browser to access a Web site, you are sending a request to the Web server for that site.
1.The server field requests and then replies with the requested data. Behind each web site is a server or set of servers that deliver the web site to your browser. These requests and responses are called traffic.
2. If there is no online proxy, your computer will communicate directly with the network server. All web sites that communicate with your browser can see your computer and talk directly to it. In other words, your IP address is public knowledge. But what if you want to get rid of all public exposure?
A Web proxy or other proxy server sits in front of a client or client network and processes this traffic on its behalf. This proxy server is another computer that connects to both the Internet and your computer, and it has its own IP address. Your computer communicates only with the agent, which forwards all communications to the entire Internet.
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