If you believe that, you clearly haven't had to work with mosh in a heavily firewalled environment. Filtering inbound UDP on one side is usually enough to brea

If you believe that, you clearly haven't had to work with mosh in a heavily firewalled environment. Filtering inbound UDP on one side is usually enough to break mosh, in my experience. Maybe they use better NAT traversal strategies since I last checked, but there's usually no workaround if at least one network admin involved actively blocks it.