I also have this problem, 6 hours ago my node went offline and I don’t understand why. My node is on RHEL 8.
Please, use this checklist:
Also, take a look on: https://forum.storj.io/tag/centos
Please, make sure that the ADDRESS is with address and port. If you use the DDNS name there, then put this DDNS name to the “Remote Address” filed instead of IP on yourgetsignal.
Please, check the firewall: