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Cisco Bug: CSCtd80621 - ENH: DNS Inspection Needs to Allow Truncated DNS Responses

Last Modified

Sep 09, 2016

Products (1)

  • Cisco Catalyst 6500 Series Firewall Services Module

Known Affected Releases

4.1

Description (partial)

Symptom:

By design, Domain Name System (DNS) inspection on Firewall Services Module (FWSM) blocks DNS responses with Truncated flag set.

Conditions:

DNS Inspection is enabled with <cmdbold>inspect dns</cmdbold> Modular Policy Framework (MPF) command.
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  • Status
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