Detections
Analytics
WN25-SO-000340 - Windows Server 2025 session security for NTLM SSP-based servers must be configured to require NTLMv2 session security and 128-bit encryption.
Information
Microsoft has implemented a variety of security support providers for use with Remote Procedure Call (RPC) sessions. All of the options must be enabled to ensure the maximum security level.Solution
Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> Network security: Minimum session security for NTLM SSP based (including secure RPC) servers to 'Require NTLMv2 session security' and 'Require 128-bit encryption' (all options selected).See Also
https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_MS_Windows_Server_2025_V1R1_STIG.zip
Item Details
Audit Name: DISA Microsoft Windows Server 2025 STIG v1r1
Category: CONFIGURATION MANAGEMENT
References: 800-53|CM-6b., CAT|II, CCI|CCI-000366, Rule-ID|SV-278228r1181390_rule, STIG-ID|WN25-SO-000340, Vuln-ID|V-278228
Plugin: Windows
Control ID: ba78bfdd7e31a0b54ac5995a9999d419975b34196fb0aa7f4c7368f2fe11f153