Hello I am using Sophos UTM9 and have been using it for a few months just fine. Today I was browsing the Internet and suddenly it stopped working. I log onto the web admin page and saw the external WAN connection stat as "down" and link "up" so I assumed…

I am attempting unsuccessfully to configure Dynamic DNS. So far, I have configured the following. 1. Changed nameserver IP at my domain registrar to point to one of the DDNS providers listed in the UTM DDNS drop-down. 2. Selected NmChp in drop-down…