What makes it different is how they do it.
Moreover, there is a large number of proxies that one can utilize for different goals, for instance, a squid proxy, sneakers proxy, an application proxy.
What kind to choose is up to you.
We change location at the slightest suspicion of falling.
What is a web proxy? How does a proxy server differ from a packet filtering firewall? One of the functions of a proxy is similar to a firewall — they both block or restrict connections from and to your network.
There you will find the Proxies menu where you should select to configure the proxy automatically.