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Cisco Bug: CSCur20105 - iOS 8.x Bug#17774092 OnDemand first DNS fails with RequiredDNSServers

Last Modified

Aug 16, 2016

Products (1)

  • Cisco AnyConnect Secure Mobility Client

Known Affected Releases

3.0(12119) 4.0(3004)

Description (partial)

Symptom:
Due to a bug in Apple iOS 8.x, tracked under Apple ID#17774092, users attempting to utilize iOS 7+ style OnDemand rules with the RequiredDNSServers probe setting will find that the first connection attempted times out. Any subsequent data across the tunnel after it is established is successful.

Conditions:
Apple iOS on demand with RequiredDNSServers configuration with iOS 8.x
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Bug Details Include

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  • Status
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