Try again later
   Check your network connection
   Check that Firefox has permission to access the web (you might be connected but behind a firewall)"

I was previously able to connect to my local NAS using the server name, but now cannot. I verified that the server certificate error exception is still listed. Here is the text of the error message I receive: "Hmm. We’re having trouble finding that site. We can’t connect to the server at [server name redacted]. Did you mean to go to www.[server name redacted].com? If you entered the right address, you can: Try again later Check your network connection Check that Firefox has permission to access the web (you might be connected but behind a firewall)" I am able to connect using the IP address.