SSL, Secure Socket Layer is a protocol created in order to place normal traffic between server and client in encrypted and protected wrapper, without any possibility of traffic being intercepted in between of transmission.
SSL certificates encrypt a site information and create more secure and trusted connection. Certificates can show server’s identification information to site visitors. Certificates Authorities like DigiCert , GoDaddy can issue the self-signed SSL certificates that verify the server information.
In this guide I will cover how to create a self-signed SSL certificates for Apache on an Ubuntu Server which will encrypt traffic to your server. As we are generating SSL certificates are for testing purpose and not issued by any Certificates Authorities it will not provide third party validation of your server identity, but still it will help you to transfer information securely.