Mainly because NAT operates at layer-3, it is considerably less resource-intense when compared to the layer-7 proxy, but additionally less versatile. As we compare these two technologies, we would encounter a terminology often called 'clear firewall'. Transparent firewall means that the proxy uses the layer-seven proxy benefits without the expertise https://knoxgjskz.ja-blog.com/29098716/new-step-by-step-map-for-proxy