I run OpenVPN at 443 for my use as well, but the default will always be 1194 which is the officially-assigned-by-the-IANA OpenVPN port number (see IANA port list and Wikipedia port list). I doubt pfSense will change the default from the officially-assigned port any time soon.
By default the OpenVPN Access Server is set up with the web services listening on port TCP 943, and you can reach them there as well as at the default HTTPS port TCP 443. The reason for this ability to also listen on TCP 443 even though the web services are not listening on that port itself, is a function we call service forwarding or port forward. How (NOT) to hide OpenVPN behind HTTPS/SSL // Andreas Happe A commonly suggest way about the egress firewall is to just use the HTTPS port (tcp/443) for the openvpn traffic. This might work in some situations, but as soon as deep-packet inspection is performed this is not feasible anymore. OpenVPN supports covert operation as a transparent HTTP proxy. If an OpenVPN client connects, the OpenVPN server List of The Top Free OpenVPN Servers | Best Free OpenVPN Aug 30, 2017
I have a Netgear Nighthawk R7000, with the latest firmware. I'm trying to set up a VPN with it (I already set up the dynamic DNS service). I want it to use TCP port 443, because that is the hardest port to block (since so much of the internet depends on it) and TCP is harder to detect than UDP. Howe
Apr 28, 2009 · It is more difficult to detect (via packet inspection) OpenVPN connecting on TCP/443 or UDP/443 - as these connections appear very similar to HTTPS and QUIC, but it's not impossible. And certainly, the connection could be detected by statistical analysis of your destination activity.
Troubleshooting access to the web interface | OpenVPN
Free OpenVPN Port 443. Free OpenVPN For Torrent. Select OpenVPN Location. Free OpenVPN Reset at 22:00, Now at 23:45 (GMT+7) Create Your OpenVPN Private Account. Australia 1 AVAILABLE Location Australia au1.vpnjantit.com Show IP Port 992,1194 (TCP/UDP) Check port Active 3 Days ssh - OpenVPN - port-share'ing with OpenSSH - Server Fault