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What is DNS Security and Proxy? - Define Cisco Umbrella

DNS - Domain Name System The DNS (domain name system) is a network system of servers that translates numeric IP addresses into readable, hierarchical Internet addresses, and vice versa. This is what allows your computer network to understand that you want to reach the server at 192.168.100.1 (for example) when you type into your browser a domain name such as www.netwyman.com DNS - Domain Name System The task for DNS, Domain Name System, in this regard is to translate the domain name into an IP address. When a website is accessed a DNS lookup is performed which generates the IP address of the server hosting the website. A query is then sent to the IP address and the website comes back as the answer to the query. DNS is used by virtually every device connected to the Internet, it is a common target of hacker attacks. Examples include DNS cache poisoning, DNS spoofing, and buffer overflow attacks transmitted through DNS commands. There is two methods to control DNS traffic throu...