I think so, this has been discussed in many HN threads and it always surprises a lot of people how big of a hole this is. I was certainly not aware of it the fi

I think so, this has been discussed in many HN threads and it always surprises a lot of people how big of a hole this is. I was certainly not aware of it the first time I read about it. Docker inserts its own iptables rules before your drop rule I think to handle its virtual interfaces.