Cisco ASA Audit Event: 305006

305006: Translation creation failed

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-3-305006: {outbound static|identity|portmap|regular) translation creation failed for protocol src interface_name: source_address / source_port [(idfw_user)] dst interface_name: dest_address / dest_port [(idfw_user)].

Event 305006 is generated when a protocol fails to create a translation through the ASA. The message contains information on the:

  • Protocol.
  • Source interface name.
  • Source IP address and port number.
  • Destination interface name.
  • Destination IP address and port number.

How could you resolve this situation?

This event does not require any action.

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