The most obvious answer is, of course, to use both, since they don’t exclude one another and they CAN work together. But using both at the same time might not be necessary. To understand what configuration better fits which scenario, let’s first take a look at both firewall types and see their strong and weak points.
This is the firewall that is present inside a physical device, and is the one typically found inside broadband routers. This firewall makes use of packet filtering, a process that looks at a packet’s header to collect information about it, like its source and its destination. It then compares this information with its in-build database (or with a user designated rule set) to determine whether the incoming internet traffic contains any threats. Continue reading