dns guard

[prashantrecon]

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.

[Jennifer Halim]

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.