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This is the support site for Andrews & Arnold Ltd, a UK Internet provider. Information on these pages is generally for our customers but may be useful to others, enjoy!

Category:Open DNS Resolvers: Difference between revisions

Category:Open DNS Resolvers (view source)

Revision as of 16:40, 28 August 2013

1 byte added ,  28 August 2013
m
→‎What is an open DNS resolver?: minor cleanup
<center>
{| class="wikitable"
!colspan="2"|DNS Amplificationamplification Attackattack Diagramsdiagrams
|-
|[[File:Opendns1.png|300px|DNS attack]]
</center>
 
In the past having an open resolver on a router wasn't a problem, and there are many many routers which leave DNS open in their default state,. howeverHowever, this has been exploited and so it is best to disable this feature on routers.
 
This is often referred to as a 'DNS Amplificationamplification Attacksattack'.
 
==What if I run a DNS server on purpose?==
CecilWard
252

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