I've found many times it's the other way around, with highly restrictive captive portals that only allow traffic to 80 and 443. This is exactly the reason why I have an OpenVPN server running in tcp mode (not udp) on 443.
On Fri, Jul 14, 2017 at 1:33 PM, Christopher Morrow <morrowc.li...@gmail.com > wrote: > Was there a list of folks collecting to provide fix actions for > hotel/airport/etc? > > Seems that IAD / Washington Dulles don't like "random" tcp/443 sites on the > internet? 173.194.205.129 > > for instance, ping, traceroute, http but no https :( > https works just fine from lots of other places on the tubes... just not > the dulles wifi. > > -chris >
