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dns guard

prashantrecon
Level 1
Level 1

‎05-29-2012 11:43 PM - edited ‎03-11-2019 04:13 PM

Hi

What is the use of dns guard.If i remove the command on asa what will will be the effect on asa expalin with an example.

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Jennifer Halim
Cisco Employee
Cisco Employee

‎05-30-2012 06:11 AM

Here is more information on DNS guard:

http://www.cisco.com/en/US/docs/security/asa/asa83/command/reference/d2.html#wp1997957

Basically it enforces only 1 response per 1 DNS query is allowed through the firewall.

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