as per [url http://docs.oracle.com/cd/B25221_05/core.1013/b25209/ports.htm#CIHJEEJH]documentation.
cd ORACLE_HOME/Apache/Apache/bin chown root .apachectl chmod 6750 .apachectl
Upon starting, the http server would start as root and then switch the effective userid of the process from root to oracle. In the process list (ps -ef | grep httpd), you should see oracle.
User oracle Group dba