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[Translating]How to close an open DNS resolver

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geekpi 2014-04-30 10:03:24 +08:00
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sources/tech/How to close an open DNS resolver.md
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Translating----------------geekpi
How to close an open DNS resolver
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The DNS server that we have created in the [previous tutorial][1] is an open DNS resolver. An open resolver does not filter any incoming requests, and accepts queries from any source IP address.
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[2]:https://www.us-cert.gov/ncas/alerts/TA13-088A
[3]:http://openresolverproject.org/
[4]:http://technet.microsoft.com/en-us/library/cc961401.aspx
[5]:https://github.com/smurfmonitor/dns-iptables-rules
[5]:https://github.com/smurfmonitor/dns-iptables-rules