Here is what Kingsley might be referencing to:

policy-map type inspect dns preset_dns_map
 parameters
  message-length maximum 512
  no message-length maximum server
  no message-length maximum client
  dns-guard
  protocol-enforcement
  *nat-rewrite*
  no id-randomization
  no id-mismatch
  no tsig enforced


On Sat, Feb 26, 2011 at 7:01 AM, Kingsley Charles <
[email protected]> wrote:

> Yes it is required.
>
> Snippet from
> http://www.cisco.com/en/US/docs/security/asa/asa80/configuration/guide/inspect.html#wp1335632
>
> When DNS inspection is enabled, which is the default, the security
> appliance performs the following additional tasks:
>
> •Translates the DNS record based on the configuration completed using the
> *alias*, *static* and *nat* commands (DNS Rewrite). Translation only
> applies to the A-record in the DNS reply; therefore, DNS Rewrite does not
> affect reverse lookups, which request the PTR record
>
>
>
> With regards
> Kings
>
> On Sat, Feb 26, 2011 at 2:05 AM, Pemasiri Devanarayana <[email protected]
> > wrote:
>
>> Hi,
>>
>> When we configure DNS doctoring in the ASA, do we still need to inspect
>> DNS as follows:
>>
>> policy-map global_insp
>>  classs  isnpection_default
>>  inspect dns
>>
>> thanks
>>
>>
>> _______________________________________________
>> For more information regarding industry leading CCIE Lab training, please
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>>
>>
>
> _______________________________________________
> For more information regarding industry leading CCIE Lab training, please
> visit www.ipexpert.com
>
>


-- 
Bruno Fagioli (by Jaunty Jackalope)
Cisco Security Professional
_______________________________________________
For more information regarding industry leading CCIE Lab training, please visit 
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