Cisco ASA Audit Event: 201008

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 » 201008: Disallowing new connections

201008: Disallowing new connections

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-3-201008: Disallowing new connections.

Event 201008 could be generated on one of these scenarios:

  • TCP system log messaging is enabled and the syslog server cannot be reached.
  • The ASA syslog server is used and the disk on Windows NT system becomes full.
  • Auto-upgrade timeout is configured and the auto-update server is not reachable.

How could you resolve this situation?

Disable TCP syslog messaging. If using PFSS, free up space on the Windows NT system where PFSS resides. Make sure that the syslog server is up and you can ping the host from the ASA console. Then restart TCP system message logging to allow traffic.

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

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