Details

It is important that administrative access (SSH, web) to an appliance using the account of last resort be able to be restricted to only the appropriate networks/subnets in order to reduce the likelihood of unauthorized access.

NOTE: Nessus has provided the target output to assist in reviewing the benchmark to ensure target compliance.

Solution

Configure console access using the account of last resort to specific networks/subnets.

1. Log on to the Web Management Console.
2. Click Configuration >> Authentication >> Console Access.
3. Click ‘New’.
4. Enter the IP address and subnet mask for the desired network and click ‘OK’.
5. Repeat step 4 until all desired networks have been added.
6. Click ‘Apply’.

Supportive Information

The following resource is also helpful.

• https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_SYM_ProxySG_Y20M04_STIG.zip

This security hardening control applies to the following category of controls within NIST 800-53: Access Control.This control applies to the following type of system BlueCoat.

References

• 800-53|AC-3
• CAT|I
• CCI|CCI-000213
• Rule-ID|SV-104487r1_rule
• STIG-ID|SYMP-NM-000030
• Vuln-ID|V-94657

Source

• Tenable.com/audits