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Cisco Bug: CSCur00631 - Enhancement Request: Allow DNS doctoring when using manual NAT on ASA

Last Modified

Nov 10, 2016

Products (1)

  • Cisco ASA 5500-X Series Firewalls

Known Affected Releases

8.3 8.4(5) 8.6(0) 9.1 9.2

Description (partial)

Symptom:
The ASA running v8.3 and later does not support DNS doctoring / rewrite on manual NAT:

nat (inside,outside)  source static  10.1.5.10 10.240.1.10 destination static 10
.53.1.0 10.53.1.0 dns
                               ^
ERROR: % Invalid input detected at '^' marker.

Conditions:
We need to specify DNS doctoring / rewrite just for some specific destinations in a NAT statement, we need to use manual NAT with DNS doctoring / rewrite on ASA 8.3 and later.
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