Difference between revisions of "Open recursive resolver fix"
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Latest revision as of 10:01, 7 July 2015
Open recursive resolver running on your server is a vulnerability to DNS Amplification attacks and should be fixed.
Easiest way to find out if you have it: http://openresolver.com/
How to fix:
Open the file /etc/named.conf and disable recursion:
options { recursion no; additional-from-cache no; };
Restart named:
/etc/init.d/named restart