The Cisco ISR 4000 Series router must allocate audit record storage capacity in accordance with organization-defined audit record storage requirements.

From Cisco IOS XE Release 3 NDM Security Technical Implementation Guide

Associated with: CCI-001849

SV-88713r1_rule The Cisco ISR 4000 Series router must allocate audit record storage capacity in accordance with organization-defined audit record storage requirements.

Vulnerability discussion

In order to ensure network devices have a sufficient storage capacity in which to write the audit logs, they need to be able to allocate audit record storage capacity. The task of allocating audit record storage capacity is usually performed during initial device setup if it is modifiable. The value for the organization-defined audit record storage requirement will depend on the amount of storage available on the network device, the anticipated volume of logs, the frequency of transfer from the network device to centralized log servers, and other factors.

Check content

Verify that the Cisco ISR 4000 Series router is configured with a logging buffer size. The configuration should look like the example below: logging buffered 4096 If a logging buffer size is not configured, this is a finding.

Fix text

Add the following command to configure a buffer size (The range is 4096 to 2147483647 in bytes). logging buffered 4096

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