The dark side of the DNS or the war of the port 53


From François QUIQUET, Cyber Security Architect on integrated and embedded Systems, publisher on To follow me: What is DNS and why is it used? DNS stands for Domain Name System. It's essentially like a directory but for the internet. When you type a website address into your browser, like "", your computer needs to find out the IP address associated with that domain name to connect to the correct server.  DNS servers are like the internet's address book, mapping domain names to their respective IP addresses. They translate human-readable domain names into IP addresses that computers use to identify each other on the network.  DNS is used to make internet communication easier for humans by allowing us to use memorable domain names instead of having to remember long strings of numbers for every website we want to visit. Additionally, it plays a crucial role in the functioning of....

May 22, 2024
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