Cisco ASA Audit Event: 302014

302014: Teardown TCP connection

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-6-302014: Teardown TCP connection id for interface :real-address /real-port [(idfw_user)] to interface: real-address /real-port [(idfw_user)] duration hh:mm:ss bytes bytes [reason [from teardown-initiator]] [(user)].

Event 302014 is generated when a TCP connection slot between two hosts is deleted. The message contains information on the:

  • Connection identifier.
  • Actual socket.
  • Lifetime of the connection.
  • Amount of data transfered.
  • AAA name of the user.
  • Name of the identity firewall user.
  • Reason that caused the connection to terminate.
  • Interface name of the side that initiated the teardown.

How could you resolve this situation?

This event does not require any action.

Cisco ASA Auditing Tool

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