port forwarding

I'm currently using a cert issued through Namecheap, but was wanting to switch to Let's Encrypt. I was getting a port 80 error trying to set this up, but after forwarding the port to my Syno's correct HTTP port I started getting a different error. It is now telling me to "please check if your...

What happened All reverse proxied sites, DDNS, plex remote access went down at the same time on Wednesday, 17:33-17:38h per kuma & tautulli. All these services were solid for the previous 6 months. No internet outage, no router updates (from me, i was at work). Port forwarding rules are still...