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Open DNS

Discussion in 'Plesk for Linux - 8.x and Older' started by eBoundHost.com, Oct 3, 2006.

  1. eBoundHost.com

    eBoundHost.com Guest

    0
     
  2. chrisl@

    chrisl@ Guest

    0
     
    Yes this is an issue. Having your DNS servers be able to do recursive lookups allows the possiblity of an attack know as DNS cache posioning. Also it allows people to use your servers that may not be your clients, so why would you want to provide DNS to someone that you do not have a relationship with. You should lock down recursive lookups. Follow the instructions here or just google on how to do it there are 100s if not 1000s of pages on how to stop this.

    http://www.dnsreport.com/info/opendns.htm
     
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