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Server VLAN interfaces must be protected by restrictive ACLs using a deny-by-default security posture.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-18522 | NET-SRVFRM-003 | SV-20061r2_rule | ECSC-1 | Medium |
| Description |
|---|
| Protecting data sitting in a server VLAN is necessary and can be accomplished using access control lists on VLANs provisioned for servers. Without proper access control of traffic entering or leaving the server VLAN, potential threats such as a denial of service, data corruption, or theft could occur, resulting in the inability to complete mission requirements by authorized users. |
| STIG | Date |
|---|---|
| Firewall Security Technical Implementation Guide | 2016-12-21 |
Details
| Check Text ( C-21297r5_chk ) |
|---|
| Review the device configuration to validate an ACL with a deny-by-default security posture has been implemented on the server VLAN interface. |
| Fix Text (F-19125r4_fix) |
|---|
| Configure an ACL to protect the server VLAN interface. The ACL must be in a deny-by-default security posture. |