DNS Spoofing: What It Really Means And How To Avoid it From Happening?

Via Florian F. (Flowtography)

Hackers keep finding out numerous ways to disrupt your servers. According to www.bluecatnetworks.com, DNS spoofing is one of such methods which affect your network to a large extent. You might have heard a lot about DNS spoofing and how it affects your network. Let’s see what it is all about:

It Is A Kind Of  A ‘Man In The Middle’ Attack

A type of attack where the hacker makes both the parties believe that they are communicating with each other, while none of them are doing so.

Fake DNS Information Is Presented To The Victim


When the victim requests a DNS query, fake information is presented by the hacker, which results in visiting a site that you didn’t want to. For example, if you want to visit a site www.example.com, you would be directed to another site due to the spoofed queries.

The Attacker Responds To The DNS Request Earlier Than The Actual Response


When a DNS query is made, the hacker and tries to respond as soon as possible, before the actual query response.

The IP Address Is Changed

You would be wondering how you are made to visit another site while querying for the original one. That is done by changing the IP Address. When the user requests a query, the IP address is changed, which makes the user visit another site.

Preventive Measures

If you are hosting a DNS server, it’s your duty to make sure that your users don’t fall in the spoofing trap. To prevent yourself from these attacks you can follow the following methods:

spoofing detection software

A software which comes with built-in mechanisms to detect spoofing attacks.

End-to-end encryption

The user is able to validate the authenticity of the server through this kind of encryption.


Domain Name System Security Extensions can help overcome the threat of attacks by determining data authenticity.

Security is a matter of mass concern and you can not risk it. Therefore, make sure that you don’t let the DNS attacks be a hindrance to your security.

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