Cisco ASA Audit Event: 109023

109023: User must authenticate before using the service

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-3-109023: User from source_address /source_port to dest_address/dest_port on interface outside_interface must authenticate before using this service.

Event 109023 is generated when the user must be authenticated to use a particlar service port. The source IP address or port number, the destination IP address or port number, and the outside interface are specified in the message.

How could you resolve this situation?

Authenticate using FTP, Telnet or HTTP before using the service.

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