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  1. #1

    Open DNS Servers - BIND

    Hi,

    Just being doing a load of DNSstuff.com queries to try and get everything to "pass", I noticed that some big players in the hosting scene have either open or closed DNS servers.

    Softlayer.com have closed, while liquidweb.com are open...?

    I have changed all mine to closed, just because dnsstuff advises it, but is there any reason you would want them open..?

    Thanks
    Stuart Munro

  2. #2
    Best is to have it closed... because of possible amplification attacks. You really only need to set it for local servers that it may be servicing.

  3. #3
    Join Date
    Dec 2002
    Location
    Canada
    Posts
    197

  4. #4
    Join Date
    Oct 2004
    Location
    Kerala, India
    Posts
    4,750
    To be more clear, if made closed, the below will not work. any_other_domain.com is any domain not hosted in that server.

    dig @nameserverIP any_other_domain.com
    David | www.cliffsupport.com
    Affordable Server Management Solutions sales AT cliffsupport DOT com
    CliffWebManager | Access WHM from iPhone and Android

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