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DNS listening where it shouldn't?

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Hi folks, been a while...

I'm probably missing something obvious, but my UTM9 (9.002) has DNS open on the WAN interface, and it is not configured to do so. No NAT rules are active which should come into play.

netstat shows named is listening on interfaces where I don't want or expect it to listen (interfaces not listed in DNS Allowed Networks), including the WAN interface- and it is responding to external DNS queries. Listening on both TCP and UDP, too.

Any thoughts?

Thanks
Jack

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