The Apache Group directive should be set correctly. (1) group name (1) Apache configuration file: Group directive L1 8. User Oriented General Directives p14 1.6 Creating the Apache User and Group Accounts p14 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)