PCI For Windows Server 2012

Can some one help me to fix this in windows server 2012?
DNS Server Spoofed Request Amplification DDoS dns (53/udp)
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David Johnson, CD, MVPOwnerCommented:
Restrict access to your DNS server from public network or reconfigure it to reject such queries.

check your server online tool https://isc.sans.edu//dnstest.html
Seth SimmonsSr. Systems AdministratorCommented:
what tells you this is a windows 2012 issue?
this issue is nearly 9 years old and was a problem with BIND (linux dns server)


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Windows Server 2012

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