Re: Sounds like a fantastic idea
"is that the default behaviour for the average person"
Yes. Because any off-the-shelf customer edge router will have the IPv6 firewall switched on by default, exactly like the IPv4 firewall. The difference is that the IPv6 firewall is simpler, because it doesn't have to do the nonsense of port mapping required by the IPv4 NAT.
Biting the hand that feeds IT
