As you have the on your device ( the proxy server - the Anti virus - the good malware - sytem Windows ,android or linus updated --Once you set up well these mentioned elements you can surf on the whole of the internet unblocking sites ,videos ,open Facebook in censored areas ,all what you do with no risk at all ,your Data and privacy are protected.
internet is a world we need to be safe travelling on this world. we would like to gain and win not to lose at all.
So your computer send request first to the proxy server later the proxy server send the same request to the internet for you. This is the kind of service offers a proxy server.
This operation and its process are the ultimate safety for all of your informations exist on your computer or whatever the device you use.
The process continue that internet send the answer to the proxy server which direct the answer to your computer.
It is actually an amazing intermidiare.