mod_security configuration files

/etc/httpd/conf.d/mod_security.conf – main configuration file for the mod_security Apache module.
/etc/httpd/modsecurity.d/ – all other configuration files for the mod_security Apache.
/etc/httpd/modsecurity.d/modsecurity_crs_10_config.conf – Configuration contained in this file should be customized for your specific requirements before deployment.
/var/log/httpd/modsec_debug.log – Use debug messages for debugging mod_security rules and other problems.
/var/log/httpd/modsec_audit.log – All requests that trigger a ModSecurity events (as detected) or a serer error are logged (“RelevantOnly”) are logged into this file.
Open /etc/httpd/modsecurity.d/modsecurity_crs_10_config.conf file, enter:
# vi /etc/httpd/modsecurity.d/modsecurity_crs_10_config.conf

Make sure SecRuleEngine set to “On” to protect webserver for the attacks:

SecRuleEngine On
Turn on other required options and policies as per your requirements. Finally, restart httpd:
# service httpd restart

Make sure everything is working:
# tail -f /var/log/httpd/error_log

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Page Speed

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free -m
( show free memory )

htop

sync; echo 3 > /proc/sys/vm/drop_caches
(clears cache from ram)

top -b -n 1 | grep -i apache
( shows apache memory consumption)

df -h
(free disk space)

sudo useradd testuser -p testpass -d /var/www/vhosts/tvshow.com/

dscacheutil -flushcache
sudo nano /private/etc/hosts

Virtual Hosts Examples:

http://httpd.apache.org/docs/2.2/vhosts/examples.html

Vhosts:

http://articles.slicehost.com/2010/5/19/apache-virtual-hosts-on-centos-part-1

Console Speed Test:
wget –output-document=/dev/null http://speedtest.wdc01.softlayer.com/downloads/test500.zip