It is, because of the way that UDP is typically used for different applications than TCP. While there are a few old, well known TCP/UDP pairs like 53, UDP is more often used with a dynamic port assignment scheme sometimes with a coordinating TCP protocol - such as SIP/RTP for VoIP that uses >16k, WebRTC, etc. A lot of games uses ports above 10k. https://help.generationesports.com/hc/en-us/articles/3600611...