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Cisco Bug: CSCsy96665 - TCP Proxy Blocking Packets and Replying with Zero ACK After Failover

Last Modified

Nov 08, 2016

Products (1)

  • Cisco ASA 5500-X Series Firewalls

Known Affected Releases


Description (partial)

When using Adaptive Security Appliance (ASA) or PIX Firewall 7.x software, certain connections subject to application inspection (for instance, Skinny) may reset and reestablish after a failover event with with Stateful Failover operating properly.

Application inspection enabled for the given connection.
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  • Status
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