Finding ID | Version | Rule ID | IA Controls | Severity |
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V-21953 | WN08-SO-000063 | SV-48424r1_rule | ECSC-1 | Medium |
Description |
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PKU2U is a peer-to-peer authentication protocol. This setting prevents online identities from authenticating to domain-joined systems. Authentication will be centrally managed with Windows user accounts. |
STIG | Date |
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Windows 8 Security Technical Implementation Guide | 2014-01-07 |
Check Text ( C-45093r2_chk ) |
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Analyze the system using the Security Configuration and Analysis snap-in. (See "Performing Analysis with the Security Configuration and Analysis Snap-in" in the STIG Overview document.) Expand the Security Configuration and Analysis tree view. Navigate to Local Policies -> Security Options. If the value for "Network Security: Allow PKU2U authentication requests to this computer to use online identities" is not set to "Disabled", this is a finding. The policy referenced configures the following registry value: Registry Hive: HKEY_LOCAL_MACHINE Subkey: \System\CurrentControlSet\Control\LSA\pku2u\ Value Name: AllowOnlineID Type: REG_DWORD Value: 0 |
Fix Text (F-41555r1_fix) |
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Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> "Network Security: Allow PKU2U authentication requests to this computer to use online identities" to "Disabled". |