Cisco ASA Audit Event: 106016

Cisco ASA Events

The logs of network perimeter devices such as firewalls, antivirus applications and intrusion prevention systems contain crucial information that helps to pre-emptively block security attacks and breaches. Hence, it's mandatory for you to monitor and audit these logs. Because Cisco ASA provides the combined functionality of all the three, it becomes all the more important to monitor its logs. 

ManageEngine's EventLog Analyzer, a comprehensive log management solution, collects and analyzes the log data from Cisco ASA devices, triggers alerts and generate reports on detected security incidents thus helping you to take suitable measures against security threats, if any. 

Cisco » 106016: Deny IP spoof on interface

106016: Deny IP spoof on interface

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-2-106016: Deny IP spoof from (IP_address ) to IP_address on interface interface_name.

Event 106016 is generated when a packet with destination IP address as 0.0.0.0 or an invalid source IP address is discarded. The address is considered invalid if it is from a loopback network or broadcast address. 

How could you resolve this situation?

Determine if the IP address belongs to an external user trying to compromise the protected network. Check for misconfigured clients.

We can help you simplify log management and improve your organization's security with EventLog Analyzer.

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