![]() Related: Making Sense of the Microsoft DNS Debug Log Build a Wireshark DNS Filter I didn’t think so but I thought I’d investigate. He needed me to figure out if this traffic was necessary to further open up DNS. The network administrator had locked down outgoing DNS traffic only to the forwarders and was seeing a lot of hits on an ACL that was denying other DNS traffic to other public IPs. All of these DNS servers/domain controllers all have forwarders enabled on them using the typical 8.8.8.8, 4.2.2.2, and 4.2.2.3.Ī problem cropped up that unknown DNS traffic was being initiated from a DNS server out to the Internet. ![]() Not seeing the video? Make sure your ad blocker is disabled.Īt my client, they have an Active Directory domain with a few domain controllers which are also DNS servers. ![]()
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