[Issue]: Occasional firewall port forwarding issue in 4G/5G

Describe the bug

Hello,

For some reason I'm occasionally getting an error when trying to stream remotely from the Moonlight Android app via cellular connection, saying I should check the firewall rules for the following ports:
TCP 47984
UDP 47989

Yet, those ports are open on my remote PC and in the port-forwarding settings of my router, because I have no problem to use the Moonlight android app when I'm connected to WiFi or the desktop client while connected to LAN or WiFi from another place than my home, even when using mobile hotspot.

So it seems the issue is related to cellular network only.

Any guesses?

Steps to reproduce

N/A

Affected games

N/A

Other Moonlight clients

PC

Moonlight adjusted settings

No

Moonlight adjusted settings (please complete the following information)

N/A

Moonlight default settings

Yes

Gamepad-related connection issue

No

Gamepad-related input issue

Yes

Gamepad-related streaming issue

Yes

Android version

Android 14, One UI 6.1

Device model

Samsung Galaxy S23+

Server PC OS version

Windows 10 Pro 22H2 19045.5608

Server PC GeForce Experience version

Nvidia App 11.0.2.341

Server PC Nvidia GPU driver version

572.70

Server PC antivirus and firewall software

Windows Defender and Windows Firewall

Screenshots

No response

Relevant log output

Additional context

No response

Start by reproducing the connection from the listed Samsung Galaxy S23+ on Android 14 over cellular, then compare it with WiFi using the Moonlight Android app. Collect relevant connection logs around the reported TCP 47984 and UDP 47989 failures; done means identifying a reproducible cellular-only cause or documenting why the issue cannot be reproduced.