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Secure Your Website in Minutes: A Beginner’s Guide to Let’s Encrypt

Ramesh Ponnusamy
4 min readMay 12, 2023

Imagine you have a Django web application(or any application) that is running on an EC2 instance with Ubuntu as the operating system. You have already associated a domain name with your Ubuntu machine and you want to secure the communication between your users and the web application using HTTPS. This is where SSL/TLS certificates come in, and the process of obtaining and installing them can be quite challenging, especially for beginners.

In the past, SSL certificates were not as widely available and were often costly, which made it difficult for smaller websites or applications to implement SSL security.

However, the advent of Let’s Encrypt has made the process much simpler and more accessible for everyone. Let’s Encrypt is a non-profit certificate authority that offers free SSL/TLS certificates that are trusted by all major browsers. The certificates are issued using an automated process that makes it easy for users to obtain and renew their certificates.

Example Use Case:

  1. EC2 Instance(Ubuntu)
  2. Django Running Application(port 8000)

Let's start setup our project! by following the steps!

STEP 1:

Installation:

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Ramesh Ponnusamy
Ramesh Ponnusamy

Written by Ramesh Ponnusamy

Data-Architect, SQL Master,Python ,Django, Flask dev, AI prompting, Linked-in: https://www.linkedin.com/in/ramesh-ponnusamy/ mail : ramramesh1374@gmail.com

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