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Cisco Bug: CSCur00234 - WSA doesn't fallback to IPv4 if site is not reachable with IPv6

Last Modified

Mar 08, 2018

Products (1)

  • Cisco Web Security Appliance

Known Affected Releases

8.0.6-078 8.0.6-101

Description (partial)

Symptom:
If appliance is configured to prefer IPv6 in DNS configuration and remote site is not reachable with IPv6 site become unreachable even if it is reachable with IPv4.

Conditions:
Domain name is resolvable to both IPv4 and IPv6 addresses
Appliance DNS configuration is set to prefer IPv6
Remote site is not reachable with IPv6
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
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