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What is the use of port 53 2024?

Sophia Wright | 2023-04-26 03:14:34 | page views：1640
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Julian Patel

Works at the International Development Association, Lives in Washington, D.C., USA.
The reality is that DNS queries can also use TCP port 53 if UDP port 53 is not accepted. Now with the impending deployment of DNSSEC and the eventual addition of IPv6 we will need to allow our firewalls for forward both TCP and UDP port 53 packets. DNS can be used by attackers as one of their reconnaissance techniques.
2023-05-02 03:14:34
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Ethan Miller

QuesHub.com delivers expert answers and knowledge to you.
The reality is that DNS queries can also use TCP port 53 if UDP port 53 is not accepted. Now with the impending deployment of DNSSEC and the eventual addition of IPv6 we will need to allow our firewalls for forward both TCP and UDP port 53 packets. DNS can be used by attackers as one of their reconnaissance techniques.
Allow Both TCP and UDP Port 53 to Your DNS Servers | Network World
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