The DBN-6300 must protect against an individual (or process acting on behalf of an individual) falsely denying having performed organization-defined actions to be covered by non-repudiation.

From DBN-6300 NDM Security Technical Implementation Guide

Part of SRG-APP-000080-NDM-000220

Associated with: CCI-000166

SV-79483r1_rule The DBN-6300 must protect against an individual (or process acting on behalf of an individual) falsely denying having performed organization-defined actions to be covered by non-repudiation.

Vulnerability discussion

This requirement supports non-repudiation of actions taken by an administrator and is required in order to maintain the integrity of the configuration management process. All configuration changes to the network device are logged, and administrators authenticate with two-factor authentication before gaining administrative access. Together, these processes will ensure the administrators can be held accountable for the configuration changes they implement.To meet this requirement, the network device must log administrator access and activity.With the DBN-6300, audit records are automatically backed up on a real-time basis via syslog when enabled.

Check content

Verify the DBN-6300 is connected to the syslog server. Navigate to Settings >> Advanced >> Syslog. Verify that the syslog services are set to "on", the syslog server information is valid, and the syslog server has connected. Navigate to Settings >> Advanced >> Audit Log. Verify that the Audit Syslog, "Use System Syslog" button is set to "Yes" and that the Audit Configuration Categories are all checked for Audit Log, Syslog, and Audit Console. Following this verification, process any account function. Confirm the presence of a syslog message on the syslog server containing the information for whatever that account function represented. If the DBN-6300 is not connected to the syslog server, or if the syslog server is connected but the message containing the information for the account action that took place is not present, this is a finding.

Fix text

Configure the DBN-6300 to be connected to the syslog server. Also configure the DBN-6300 to include audit records in the syslog message feed. Navigate to Settings >> Advanced >> Syslog. Enter the syslog connection information (port and IP address) and push the "enabled" button for both "TCP" and "enable". Navigate to Settings >> Advanced >> Audit Log. Verify that the Audit Syslog, "Use System Syslog" button is set to "Yes" and that the Audit Configuration Categories are all checked for Audit Log, Syslog, and Audit Console. If the "Use System Syslog" button is not set to "Yes", press the "Yes" button. Click on "Commit".

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