How to Install SSL Certificate on Apache CentOS

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SSL Certificate Installation Guide on Apache CentOS

It’s an easy and quick guide to get your SSL certificate in just a few seconds on Apache CentOS.

First Step: Once you receive your issued certificate from the Certificate Authority (CA) you have chosen, you are ready to install it to your server. Download the required files including your “Leaf Certificate” (the primary certificate issued to your domain) and the Intermediate Certificates..

Step Two: Copy the Leaf(Primary) and Intermediate Certificate files to your Apache Server. You should also have your key file on the server, which was created along with the generation of the Certificate Signing Request(CSR).

Step Three: You need to find your httpd.conf or ssl.conf file, whichever is present in your Apache configuration. This file controls the configuration of your SSL.

You will want to use the “cp” and “nano” commands to edit these files.

# cp /etc/httpd/conf.d/ssl.conf /etc/httpd/conf.d/ssl.conf.BAK 
# nano /etc/httpd/conf.d/ssl.conf

(if your files are in a different location, please adjust the file path).

Step Four: Now that you are editing the httpd.conf/ssl.conf file, look for the following directives. If they are commented out, indicated by a “#” starting the line, please remove the “#”.

For Apache Version <2.4.8 For Apache Version 2.4.8 or higher Enter the following path
SSLCertificateFile
SSLCertificateKeyFile
SSLCertificateChainFile
SSLCertificateFile
SSLCertificateKeyFile
SSLCACertificatePath
Certificate File Path
Certificate Private Key File Path
Intermediate Bundle Path

After each of these lines, you should add the absolute file path of your certificates. An example is below:

SSLCertificateFile /etc/httpd/conf/ssl.crt/your_leaf_certificate.crt 
SSLCertificateKeyFile /etc/httpd/conf/ssl.key/your_domain_name.key 
SSLCACertificatePath /etc/httpd/conf/ssl.chain/your_intermediate_chain.crt

Also, make sure that you have changed the permission of the certificate key file;

# chmod 400 /etc/httpd/conf/ssl.key/your_domain_name.com.key

Step Five: Save your configuration of Apache and Restart!

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Jim Armstrong works with rapidSSLonline.com to provide customized support and solutions to businesses that seek SSL solutions. RapidSSLonline provides cheap SSL certificates including wide range of SSL security products like WildCard SSL, EV SSL, SAN SSL, and Code Signing Certificate to maximize security for your data and transactions on web. His considerable knowledge of SSL includes brands like VeriSign, Thawte and Trustwave. Interested parties should contact rapidSSLonline.com by calling 727-388-4240 or by visiting http://www.rapidsslonline.com.