OVALFileLinker from SCAP Security Guide ssg: [0, 1, 80], python: 3.10.12 5.11.2 2026-01-26T22:10:23 Disable XDMCP in GDM Ubuntu 22.04 Ensure 'Enable' is configured with value 'false in section 'xdmcp' in /etc/gdm3/custom.conf /etc/gdm3/custom.conf ^\s*\[xdmcp\].*(?:\n\s*[^[\s].*)*\n^\s*Enable[ \t]*=[ \t]*(.+?)[ \t]*(?:$|#) 1 ^/etc/gdm3/custom.conf ^false$