Title

The network device must log all interface access control lists (ACL) deny statements. (Cat III impact)

Discussion

Auditing and logging are key components of any security architecture. It is essential for security personnel to know what is being done, attempted to be done, and by whom in order to compile an accurate risk assessment. Auditing the actions on network devices provides a means to recreate an attack, or identify a configuration mistake on the device.

Check Content

Review the network device interface ACLs to verify all deny statements are logged. If deny statements are not logged, this is a finding.

Fix Text

Configure interface ACLs to log all deny statements.

Additional Identifiers

Rule ID:

Vulnerability ID: V-3000

Group Title:

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.