INPUT rules for a zone describe what happens to traffic trying to reach the router itself through an interface in that zone.
OUTPUT rules for a zone describe what happens to traffic originating from the router itself going through an interface in that zone.
FORWARD rules for a zone describe what happens to traffic passing between different interfaces belonging in the same zone.
I'm a technology professional who's been passionate about computers since my Grandad introduced me to an Intel 386 back in the 90s when I was a kid. Those moments inspired a passion within for technology, and I've been playing around with anything with a circuit board ever since. Whenever I have a moment you can probably find me working on something computer-related, and this is where I like to write about those moments.
