Detections
Analytics
WN25-CC-000040 - Windows Server 2025 source routing must be configured to the highest protection level to prevent Internet Protocol (IP) source routing.
Information
Configuring the system to disable IP source routing protects against spoofing.Solution
Configure the policy value for Computer Configuration >> Administrative Templates >> MSS (Legacy) >> MSS: (DisableIPSourceRouting) IP source routing protection level (protects against packet spoofing) to 'Enabled' with 'Highest protection, source routing is completely disabled' selected.This policy setting requires the installation of the MSS-Legacy custom templates included with the STIG package. 'MSS-Legacy.admx' and 'MSS-Legacy.adml' must be copied to the \Windows\PolicyDefinitions and \Windows\PolicyDefinitions\en-US directories respectively.
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|III, CCI|CCI-000366, Rule-ID|SV-278083r1180955_rule, STIG-ID|WN25-CC-000040, Vuln-ID|V-278083
Plugin: Windows
Control ID: db0216f713d19e4c86af027fdd8e078b4b6b2ca9e9481469650ca779902ed27b