Answers for "Which port must be open for the name server?"

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Which port must be open for the name server?

Port 53 is open for DNS. Why would I need this? You need to have UDP 53 allowed for 
responses to DNS queries that your server sends, as UDP is a stateless protocol. 
Don't block it if you want any kind of outbound connectivity, software updates, etc.
Posted by: Guest on January-27-2022

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