Cisco ASA Audit Event: 108007

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 » 108007: TLS started on ESMTP session between client and server

108007: TLS started on ESMTP session between client and server

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-6-108007: TLS started on ESMTP session between client client-side interface-name : client IP address /client port and server server-side interface-name: server IP address /server port

Event 108007 is generated when a server responds with a 220 reply code to the STARTTLS command by the client on an ESMTP command. The message contains:

  • The client-side interface name.
  • The client IP address and port number.
  • The server-side interface name.
  • The server IP address and port number.

How could you resolve this situation?

Check whether the ESMTP policy map associated with that connection has the allow-tls action log setting. If not, contact the Cisco TAC.

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