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How to Stop Attacks through Recursive DNS with Simple DNS

Posted on 2014-09-05
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Last Modified: 2014-12-01
Hi,

We are after making our DNS server (which is outward facing) safe from recursive querie attacks, and am wondering how we would go about getting this setup?

Cheers
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Question by:YellowbusTeam
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DrDave242 earned 500 total points
ID: 40306275
Are you referring to this software? If so, then its features list includes Restrict recursion by client IP address, which is what you'll need to implement. (You'll want to allow recursion only for queries coming from inside your network.) I'm afraid I have no experience with this software myself, so I can't provide the exact steps for implementing this.

Note that using a single server to host both your public and private DNS domains is not ideal from a security perspective.
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