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Install Mod Security on CentOS 6.x

Install Mod Security on CentOS 6.x

1. Install the required libraries:

#yum install httpd-devel libxml2-devel PCRE apr-devel apr-util-devel-devel curl-devel -y

#yum install gcc

install library

2. Install mod_security

yum install mod_security 

3. Configure Apache

+ #vim /etc/httpd/conf/httpd.conf

Remove the # before the line:

Unique_id_module LoadModule modules /

And add the line:

Security2_module LoadModule modules /


+ Create a configuration file to Module:

#vi /etc/httpd/conf.d/modsecurity.conf

Add content check whether active or not the picture below

rules of ModSecurity

4. Restart the service

#service httpd restart

restart apache

 5. Check the operation of Mod Security

+ Open the browser to enter http: // localhost / a? = Zzz

apache error

+ Open the event log records

apache log


I wish you success:

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About Nguyễn Thanh Sơn

Nguyễn Thanh Sơn
Network Security, Web Design, Computer Science

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