How to Install mod_evasive on CentOS/RHEL/cPanel/Plesk ?

Install mod_evasive
The mod_evasive module is an Apache web services module that helps your server stay running in the event of an attack. This article will help you to know how to install mod_evasive on CentOS/RHEL/cPanel/Plesk servers.

Are you having DDoS issues? You should try – mod_evansive. “mod_evasive” is an evasive maneuvers module for Apache to provide evasive action in the event of an HTTP DoS or DDoS attack or brute force attack. It looks pretty efficient to prevent normal DDoS attacks. Please follow the below steps to install mod_evasive.

Go to the “/opt” directory, download the latest “mod_evasive” source, and extract it.

cd /opt
tar -xvf mod_evasive_1.10.1.tar.gz
cd mod_evasive


We are going to compile the “mod_evasive” module with Apache with the “apxs” tool. “apxs” is a tool that came with the “httpd-devel” package. The first step is to check if you have the “httpd-devel” package.

rpm -qa | grep httpd-devel


You probably won’t get any results, and that means you don’t have that package. If you don’t have one, please follow the below steps to install it on your server.

yum install httpd-devel


After installing httpd-devel, run the below command to compile the “mod_evasive” with Apache.

apxs -cia mod_evasive20.c


Add the following rules at the end of /etc/httpd/conf/httpd.conf:

DOSHashTableSize 3097
DOSPageCount 6
DOSSiteCount 100
DOSPageInterval 2
DOSSiteInterval 2
DOSBlockingPeriod 600


You can customize the rules given above according to your need and requirements. Now restart Apache to update the changes.

/etc/init.d/httpd restart


So that’s how you install mod_evasive.

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