Cisco ASA Audit Event: 109034

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 » 109034: Authentication failed for network user

109034: Authentication failed for network user

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-4-109034: Authentication failed for network user user from src_IP/port to dst_IP/port . Interactive challenge processing is not supported for protocol connections.

Event 109034 is generated when a network connection authentication attempt is rejected because AAA challenge processing had been triggered but the ASA could not initiate interactive challenge processing with the client application. The user, source IP address or port number, destination IP address or port number, and the protocol are specified in the message.

How could you resolve this situation?

Reconfigure AAA so that challenge processing does not occur for these connection types. 

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