SSL(Secure Sockets Layer)- Apache Documentation says " Transport Layer Security (TLS) and its predecessor, Secure Sockets Layer (SSL), are technologies which allow web browsers and web servers to communicate over a secured connection. " This means that the data being sent is encrypted by one side, transmitted, then decrypted by the other side before processing. This is a two-way process, meaning that both the server AND the browser encrypt all traffic before sending out data. Setting Up Environment- In-order to continue this tutorial, we required tomcat in our system. You can download install-able file (.exe or .msi in case of Windows OS) or binaries files in form of .zip or .tar.gz from here . If you have downloaded install-able file then install it. If you have downloaded zip, then extract the compressed download file at your favorite location/path. If you have installed the file then hit http://localhost:8080 , you should be able to see web-page something like...