A public web server’s resources (e.g., drives, folders, printers, etc.) will not be shared with private assets.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-2234	WG040	SV-2234r1_rule		Medium

Description
It is important to segregate public web server resources from private resources located behind the DoD DMZ in order to protect private assets. When folders, drives or other resources are directly shared between the public web server and private servers the intent of data and resource segregation can be compromised. In addition to the requirements of the DoD Internet-NIPRNet DMZ STIG that isolates inbound traffic from the external network to the internal network, resources such as printers, files, and folders/directories will not be shared between public web servers and assets located within the internal network.

Description

It is important to segregate public web server resources from private resources located behind the DoD DMZ in order to protect private assets. When folders, drives or other resources are directly shared between the public web server and private servers the intent of data and resource segregation can be compromised. In addition to the requirements of the DoD Internet-NIPRNet DMZ STIG that isolates inbound traffic from the external network to the internal network, resources such as printers, files, and folders/directories will not be shared between public web servers and assets located within the internal network.

STIG	Date
IIS 7.0 Server STIG	2019-03-22

Details

Check Text ( C-29894r1_chk )
1. From a command prompt, type "net share" and press Enter to provide a list of available shares (including printers). 2. To display the permissions assigned to the shares type "net share" followed by the share name found in the previous step. If any private assets are assigned permissions to the share, this is a finding. If any printers are shared, this is a finding.

Fix Text (F-26795r1_fix)
Configure the public web server to not have a trusted relationship with any system resource that is also not accessible to the public. Web content is not to be shared via Microsoft shares or NFS mounts.