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Cisco Bug: CSCta35563 - EDNS0 - Default length for UDP DNS should be increased due to DNSSEC

Last Modified

Nov 09, 2016

Products (2)

  • Cisco ASA 5500-X Series Firewalls
  • Cisco ASA 5580 Adaptive Security Appliance

Known Affected Releases

7.2 8.0

Description (partial)

The DNSSEC-signed zones may be unresolvable with the default configuration
because the response size  is too large. This is an ENHANCEMENT request 
to increase the response size limit in the default configuration.

EDNS0 is used with optional DNS Security.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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