It is a proxy server, which performs fast tasks and request operations between your computer and another computer that host the website you are trying to reach. It does not matter if you are trying to access the computer or a software. It works the same way. It can be used to improve your performance rate while browsing, to filter your request. Also protect your IP address and location by hiding your identity. Using proxies may save you from malicious codes and even viruses online. It can affect the device you are using in non-repairable way, all your needed data could be lost because of the lack of security online. Proxy server is a risk prevention which helps you to filter the dangerous content online.