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DNS Service Vulnerability / Plesk 8.6 / Disable Recursive DNS Queries

Discussion in 'Plesk for Linux - 8.x and Older' started by bradz, Aug 10, 2008.

  1. bradz

    bradz Regular Pleskian

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    Hi, I received a notice about updating DNS BIND, since I use Plesk, it can cause other issues (going by the same notice).
    The reason stated for the DNS BIND update is due to DNS cache poisoning which can occur from recursive DNS queries.

    After searching more I realized the plesk 8.6 is available. Then I located a document called "How do I disable recursive DNS queries on my Linux dedicated/virtual dedicated server?"

    Now for the question, what is the best way to proceed? I do see that some issues are occurring with 8.4 to 8.6 upgrades, so I am thinking that I should hold off for a 8.6 later release. Due to the potential issues of updating DNS BIND that can cause issues with Plesk, I am thinking that may I should disable recursive DNS queries.

    Or maybe I should not worry about the DNS BIND in my hosting setup (when is this a real issue? and when is it not?).

    Any help or input on this situation is very much appreciated!
    Brad
     
  2. wsani

    wsani Silver Pleskian

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    On that note, is there a way to specify which subnets can perform DNS recursion?
     
  3. breun

    breun Golden Pleskian

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    BIND is not provided by Plesk, but by your OS vendor, so those are independent updates.

    See Server > DNS Settings > DNS Preferences for allowing recursion. You can choose between any host, localnets and localhost.
     
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