I have seen a fair number of public APs blocking VPN traffic, but my instinct is it's due to incompetence, not malice. It appears they are blocking everything b

I have seen a fair number of public APs blocking VPN traffic, but my instinct is it's due to incompetence, not malice. It appears they are blocking everything but traffic to 80 and 443, likely due to some sort of turnkey wifi-in-a-box which makes bad assumptions. It is frustrating, as I won't use a public AP if I can't VPN (but I have unlimited data, so it's not a huge problem for me, at least).