To restart apache the following commands are required:
for apache version 1.x.x:
service httpd restart
or
service httpd stop
then
service httpd start
for apache version 2.x.x:
apachectl -k stop
or
apachectl -k graceful
source:
Preventing Web Attacks with Apache (Barnett, Addison Wesley 2006)
related links:
apache version 1.3 http://httpd.apache.org/docs/1.3/stopping.html
apache version 2.0 http://httpd.apache.org/docs/2.0/stopping.html







