Hi,
I've been searching for weeks, tried a lot of GIYF and RTFM without success, so I hope someone can help me with this one...
We have set up 2 RED15's and everything is working except web browsing to internal hosts f.e. http://intranet or https://appserver1
I get following Sophos UTM error in browser:
When I use the FQDN in the browser (f.e. https://intranet.mydomain.local) there is no problem.
This is the same for all hostnames.
All other tests are working with hostname only: SMB, internet, ping (automatically forms the FQDN), nslookup (both hostname and IP address), etc...
Everything looks fine on our AD DNS servers (both forward and reverse).
I configured the RED in Standard/Unified mode as described on: https://community.sophos.com/kb/en-us/116573
I also tried with the Deployment Helper (and changed the DNS addresses afterwards, because it points to the RED itself)
These are the configurations:
This problem exists on all our workstations connected to RED, on all browsers...
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