Security and privacy:
When you surf the Internet, web sites collect and record usage information about your computer such as your IP address, browser type, operating system you are using, web pages last visited, etc. This information automatically comes from your browser to identify you and track your browsing habits and activities.
IP address (Internet Protocol address) [...]

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A proxy server is a kind of buffer between your computer and the Internet resource(s) you are accessing. The data you request come to the proxy first, and only then it transmits the data to you.
A proxy server receives a request for an Internet service (such as a web page request) from a user.
If the [...]

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