Cisco ASA Audit Event: 201012

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 » 201012: Per-client embryonic connection limit exceeded

201012: Per-client embryonic connection limit exceeded

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-6-201012:Per-client embryonic connection limit exceeded curr num/limitfor [input|output] packet from IP_address/port to ip /port on interface interface_name.

Event 201012 is generated when an attempt to establish a TCP connection fails because the per-client embryonic connection limit is exceeded. The message contains information on the:

  • Current number.
  • Configured limit.
  • Input or output packet on the interface.
  • IP address.
  • Port number.
  • Name of the interface on which the policy is applied.

How could you resolve this situation?

If the event creates a problem for any application that has a legitimate need for a higher number of embryonic connections, you can adjust the setting by entering the 'set connection per-client-embryonic-max'command.

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

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