The ownership of the Apache /etc/httpd/conf.d file should be set correctly.
(1) owner
(1) via chown
L1 19. Updating Ownership and Permissions for Enhanced Security p27
1.19 Updating Ownership and Permissions p34
CIS Apache Benchmark for Unix v1.7 For Apache Versions 1.3 and 2.0
CIS
2007-07-01
Version 1.7
Prose (PDF)
Security Configuration Benchmark For Apache Web Server
CIS
2008-11-01
Version 2.2.0
Prose (PDF)