How to Create a Local Self-Signed SSL Certificate on CentOS 8
SHORT INTRODUCTION
An SSL certificate for Secure Socket Layer is used to secure and secure communications between the browser and the server. An SSL certificate is also known as a digital certificate. An SSL connection protects sensitive data such as us credit card information and passwords that are validated during each visit. When you buy an SSL certificate from a trusted third party they will say that your SSL certificate is valid and legally used by its owners.
Creating Self-Signed Certificates
Instead of buying an SSL certificate, we can use a self-signed certificate locally. Your browser will display an unreliable warning message the first time it reaches a signed certificate in the browser, but you can click that and test your app on your SSL.
Step 1: Installing Mod_SSL on CentOS
Install Apache service ,start & enable it.
To setup of the local self-signed SSL certificate, the mod_ssl package is required:
Verify the “mod_ssl” & “OpenSSL” Installation
Step 2 : Create a Local Self-Signed SSL Certificate for Apache
First Create a Directory then add the Local Self Signed Certificate Key & File in it:
The above command generates the Local Self Signed Certificate File & Key
Enter your Details as shown below:
Step 3 : Install Local Self-Signed SSL Certificate on Apache
Now its time to install the certificate using Apache server’s settings
Copy Paste the below lines in the bottom of the ssl.conf file as shown below :
Ensure that your path of certificate key & file is correct.
Save & Exit from file & restart the Apache Server
For external users to accessing your server, need to open port 443 through the firewall as shown below :
Step 4 : Testing Local Self-Signed SSL Certificate on Apache
First, Click on Advance then scroll to bottom and click on proceed :
The Output is as shown below:
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