8dot3 Name Creation Prevented

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-16007	3.139	SV-16959r1_rule	ECSC-1	Low

Description
This check verifies Windows is configured to prevent the generation of 8.3 style file names.

STIG	Date
Windows 2008 Domain Controller Security Technical Implementation Guide	2013-07-03

Details

Check Text ( C-16648r1_chk )
Analyze the system using the Security Configuration and Analysis snap-in. Expand the Security Configuration and Analysis tree view. Navigate to Local Policies -> Security Options. If the value for “MSS: (NtfsDisable8dot3NameCreation) Enable the computer to stop generating 8.3 style filenames (recommended)” is not set to “Enabled”, then this is a finding. The policy referenced configures the following registry value: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \System\CurrentControlSet\Control\FileSystem\ Value Name: NtfsDisable8dot3NameCreation Value Type: REG_DWORD Value: 1

Check Text ( C-16648r1_chk )

Analyze the system using the Security Configuration and Analysis snap-in. Expand the Security Configuration and Analysis tree view.

Navigate to Local Policies -> Security Options.

If the value for “MSS: (NtfsDisable8dot3NameCreation) Enable the computer to stop generating 8.3 style filenames (recommended)” is not set to “Enabled”, then this is a finding.

The policy referenced configures the following registry value:

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \System\CurrentControlSet\Control\FileSystem\

Value Name: NtfsDisable8dot3NameCreation

Value Type: REG_DWORD
Value: 1

Fix Text (F-16030r1_fix)
Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> “MSS: (NtfsDisable8dot3NameCreation) Enable the computer to stop generating 8.3 style filenames (recommended)” to “Enabled”.