On the other hand, tls/443 is pretty undesirable for media delivery in videoconferencing because a) it's tcp-based and the required ACKs mean a big reduction in throughput and increase in latency, especially in the presence of packet loss, and b) most video services these days (and open source servers) use webrtc which encrypts the data in transit already--so the tls encryption is a waste of resources
Though tls/443 is usually still supported because it's most often allowed by even restrictive firewalls and networks
Though tls/443 is usually still supported because it's most often allowed by even restrictive firewalls and networks