Detections
Analytics
WN25-SO-000190 - The Windows Server 2025 setting Microsoft network server: Digitally sign communications (always) must be configured to Enabled.
Information
The server message block (SMB) protocol provides the basis for many network operations. Digitally signed SMB packets aid in preventing man-in-the-middle attacks. If this policy is enabled, the SMB server will only communicate with an SMB client that performs SMB packet signing.Satisfies: SRG-OS-000423-GPOS-00187, SRG-OS-000424-GPOS-00188
Solution
Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> Microsoft network server: Digitally sign communications (always) to 'Enabled'.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: SYSTEM AND COMMUNICATIONS PROTECTION
References: 800-53|SC-8, 800-53|SC-8(1), CAT|II, CCI|CCI-002418, CCI|CCI-002421, Rule-ID|SV-278213r1181345_rule, STIG-ID|WN25-SO-000190, Vuln-ID|V-278213
Plugin: Windows
Control ID: ba4b99fb9bec1d4d431289f4d51bdafd5356093653d2fce4167be3375da8b8fb