Lori-77 That's what I'm saying. It took 5 minutes to reset and then everything was back exactly to the place it was.
Doremi As indicated on the support page of the router: I pressed the reset button with a small object. The LED of the router was flashing red, then white, for about 5 minutes. All my devices were disconnected. Then it changed to white only and stopped flashing. All my devices had access to the Internet and when I went to the router, I noticed that the default password didn't work and had to input mine to login. Then all of my port forwards were there and I was just back to square one.
r00t I did use Wireshark on both sides. That's why I'm able to claim that "it looks like the server (sitting in my home) is sending packets, but the client (my PC) doesn't receive anything".
If anybody wants, I could give you my IP address in a private message and a UDP port that should be available. You'll see exactly what I mean.
There's also the fact that it worked before August 2024 and stopped working completely around October of the same year. I was actually away from home for two months at that time so nothing has changed.