Lol I love questions that basically ask you to pick a fruit, options are orange and apple.
Without NAT you cannot convert private IP to public IP.
Without a network rule to enable traffic, all traffic is implicitly denied, so you need to create an allow rule to communicate with your server.
Without NAT you cannot convert private IP to public IP.
Without a network rule to enable traffic, all traffic is implicitly denied, so you need to create an allow rule to communicate with your server.