The proxy server

A proxy server is a hardware or a software system that acts as an intermediary between an endpoint device and another server, from which a user or client is requesting a service. The proxy server can exist on the same machine as a firewall server. It can also be on a separate server that forwards requests through the firewall. A proxy server's cache can serve all users. This is one of its key advantages. If one or more internet sites are frequently requested, these are likely to be in the proxy's cache. This improves user response time. It also helps relieve the pressure on a common shared network. Since the proxy server caches the content, it can save on the precious bandwidth consumption. A proxy server can also log its interactions, which can be helpful for troubleshooting. Let's have a look at a simple example to understand how proxy servers...