DNS: Difference between revisions

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UDP: For all general purpose DNS Requests like nslookup, client's requests, etc
UDP: For all general purpose DNS Requests like nslookup, client's requests, etc
TCP: For Server to Server Communication like Zone transfer as this process needs reliable protocol.
TCP: For Server to Server Communication like Zone transfer as this process needs reliable protocol.

; Who decides it?

{{UC}}


; When will firewall close a session opened for DNS?
; When will firewall close a session opened for DNS?