Cisco ASA Audit Event: 210003

210003: Unknown LU object

Cisco ASA is a security device that provides the combined capabilities of a firewall,an antivirus, and an intrusion prevention system. It also facilitates virtual private network (VPN) connections.It helps to detect threats and stop attacks before they spread through the network.

Message: %ASA-3-210003: Unknown LU Object number.

Event 210003 is generated when Stateful Failover receives an unsupported logical update object and is unable to process it. This might have been caused by a corrupted memory, LAN transmissions or other such events.

How could you resolve this situation?

If this even keeps recurring, check the Stateful Failover link LAN connection. If the error had not caused by a faulty failover link LAN connection, determine if an external user is trying to compromise the protected network. Also, check for misconfigured clients.

Cisco ASA Auditing Tool

EventLog Analyzer is a comprehensive log management software with which you can centrally collect, analyze, and manage logs from all the different log sources in your network. You also get reports and alerts on your network security, making it a power-packed IT security tool.

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