755
When you have a domain but never leave your house
(lemmy.world)
Post funny things about programming here! (Or just rant about your favourite programming language.)
Yeah, the router ought to know that public IP belongs to a device in its own network unless you're doing stuff like running your own router behind an ISP provided router and just forwarding ports instead of maintaining IP assignment / routing tables
I think OP is referring to NAT hairpinning though.
Tell that to my opnsense box that refuses to NAT mirror.