Has something subtly changed in FreeBSD 12.0? In previous versions this line was enough to allow jails to access IP addresses bound to the lo0 interface:
But now it doesn't suffice and the line following it matches, dropping all such packets.
I should note that lo0 communication on the host itself works fine.
allow ip from any to any via lo0
But now it doesn't suffice and the line following it matches, dropping all such packets.
deny ip from any to 127.0.0.0/8
I should note that lo0 communication on the host itself works fine.