Cisco ASA Audit Event: 106027

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 » 106027: Deny source by access-group

106027: Deny source by access-group

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-4-106027:acl_ID: Deny src [source address] dst [destination address] by access-group “access-list name".

Event 106027 is generated when a non-IP packet is denied by the ACL.  This message would be displayed even if you do not have the log option enabled for an extended ACL. The ID of the ACL, the source and destination addresses, and the name of the access-group are specified in the message.

How could you resolve this situation?

Contact the remote host administrator if this event occurs because of the same source IP address.

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