Installation Mod Security on Kloxo (CentOS5)

. Validate the packages by installing the GPG key:

rpm --import http://www.jasonlitka.com/media/RPM-GPG-KEY-jlitka

2. Add the following to your '/etc/sysconfig/rhn/sources' file:

yum utterramblings http://www.jasonlitka.com/media/EL5/$ARCH

3. Create new file :

vi /etc/yum.repos.d/utterramblings.repo

... and then paste the following into the editor:

[utterramblings]
name=Jason's Utter Ramblings Repo
baseurl=http://www.jasonlitka.com/media/EL$releasever/$basearch/
enabled=1
gpgcheck=1
gpgkey=http://www.jasonlitka.com/media/RPM-GPG-KEY-jlitka

4. Install modsecurity by typing: 

yum install mod_security

5. Restart the Apache webserver:

service httpd restart

All done!

Note that a default ruleset is included and activated during the installation. If you want to edit the configuration, the following can be useful:

/etc/httpd/conf.d: all files in this directory are loaded during Apache startup.

/etc/httpd/conf.d/mod_security.conf: default configuration loading the mod_security module and the default rule set.

/etc/httpd/modsecurity.d: default rule set.

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