How to install NAXSI Web Application Firewall on CentOS7

This video covers the method to install NAXSI Web Application Firewall on Centos7. Web application firewall is a client-server software program which resides on the web server (server-side) and runs on the client side (client browser).
For more explanation on this video: https://www.linuxhelp.com/how-to-install-naxzi-web-application-firewall-on-centos7

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centos 7