Problem with DNS, it seems that FW is blocked from output by PDC

RE: Problem with DNS, it seems that FW is blocked from output by PDC

JulioCP — Wed, 06 Oct 2021 17:52:27 GMT

Not in both, neither the PDC and the BDC forward DNS requests to the Firewall, neither in the configuration of the network card nor as forwarders. Firewall for PDC and BDC only receives requests as a gateway. The only firewall reference in them is to be the gateway to the network itself. For the functionality of Active Directory in Samba the DNS has to be that of the PDC. And I think the Firewall is blocking DNS requests that come from the PDC or DBC (internal network)

RE: Problem with DNS, it seems that FW is blocked from output by PDC

JulioCP — Mon, 04 Oct 2021 20:19:06 GMT

Ok, yes my english is from google in some cases. Follow the dashboard in english. I from Brazil - rsrsrsrsr

Using SFOS 18.0.5 MR-5-Build586

RE: Problem with DNS, it seems that FW is blocked from output by PDC

PhilippRusch — Mon, 04 Oct 2021 18:08:26 GMT

Julio,

my spanish (or is this portugese=?) is a bit rusty: encaminhadores does mean "router" in english.

So you are defining a gateway here. That's not what you want, when defining DNS.
You need DNS-Forwarders (redirecionamento) to tell your internal DNS, when and how to connect to a public DNS.

Can you switch your Zentyal GUI to english for a moment?

RE: Problem with DNS, it seems that FW is blocked from output by PDC

JulioCP — Mon, 04 Oct 2021 16:38:04 GMT

Dear Philipp the DNS in the forwarders I'm using external (google, cloudfire, etc) . My FW Sophos is another IP address (192.168.1.254)

RE: Problem with DNS, it seems that FW is blocked from output by PDC

PhilippRusch — Mon, 04 Oct 2021 15:00:41 GMT

Ola Julio,

are you forwarding DNS-Requests from your PDC or BDC to the firewall?