Cisco ASA Audit Event: 302018

302018: Teardown GRE 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-6-302018: Teardown GRE connection id from interface :real_address (translated_address) [(idfw_user)] to interface :real_address /real_cid (translated_address /translated_cid) [(idfw_user)] duration hh :mm :ss bytes bytes [(user)].

Event 302018 is generated when a GRE connection slot between two hosts is deleted. The message contains information on the:

  • Connection identifier.
  • Interface name.
  • IP address and port number of the actual host.
  • Time in hour:minute:second format.
  • Number of PPP bytes transferred in the GRE session.
  • Reason why the connection had been terminated.
  • AAA user name.
  • Name of the identity firewall user.

How could you resolve this situation?

This event does not require any action.

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