Advanced TLS and Security Hardening

Application Security

In this course, you will learn to harden Node.js applications by preventing mixed content, enforcing HTTP Strict Transport Security (HSTS), and understanding Perfect Forward Secrecy (PFS) and TLS cipher suites. These best practices will help you secure your Express.js applications against common web threats.

Express.js

OpenSSL

TypeScript

See path

3 lessons

11 practices

1 hour

Course details

Preventing Mixed Content Warnings

Preview

Implementing the Redirection Middleware

Secure Your Server with HTTPS Redirection

Redirect HTTP to HTTPS

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From our community

Hear what our customers have to say about CodeSignal Learn

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

Software Engineer

+14

It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.

Alex Bush

Full Stack Engineer

I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.

Abbey Helterbran

Tech consultant

I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured.

Jonathan Miller

Senior Machine Learning Engineer

+12

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11