SSL (Secure Sockets Layer) is an HTTP encryption mechanism that allows you to send confidential or confidential information via the Internet to a client and vice versa without fear that data will be intercepted by any third party.
If your website requires the user to submit any personal or confidential information, using SSL is a good idea. You will need to obtain a certificate from a trusted authority (which can verify that your site is genuine) and configure Apache (with SSL).
If your site is just a collection of pages and other information, and there is no exchange of confidential information, you can go and install Apache without SSL.
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