On 6/7/16 4:00 AM, Rob Janssen wrote:
We also offer OpenVPN connectivity at our gateway, in
UDP mode only, and
this too is
problem-free w.r.t. ISP routers. I don't believe a provider would (or
even can?) filter
OpenVPN, certainly not when it would be run in TCP mode on port 443.
I haven't run in to 443 "filtering", but I have run into instances where
the ISP will drop TCP connections that are active for more than a few
minutes, forcing openvpn to restart the connection.