Proxy Server is an alternative to VPN that breaks blocking firewall of a network. If any user uses free web proxy server with web browser, the web request is processed by the proxy server. So, blocking firewall rule is not applied on the proxy enabled PC. For this, system administrators should be careful enough to block free proxy servers along with blocking VPN access. In this video, I will show simple tricks to block free web proxy access with MikroTik Router.
For more detail: https://systemzone.net/how-to-block-f...