![]() Too bad the access point was set up by another bored soul - a tech-savvy teenager sitting next to you! ![]() You pull out your phone, scroll through the list of public wifi access points and choose legitemately-looking JFK Free Wi-Fi. You're in the airport waiting for your flight bored to death. Imagine you're that poor about-to-be-victim. That's when it can be intercepted and modified by any router/proxy sitting in between the user and the server. So what's the vulnerable scenario to consider?Įven if you have the HTTP to HTTPS redirect on your website, the initial request a user makes may be sent over the insecure connection. What are the limitations and implications of enabling the policy?.How to safely deploy HSTS in production?.Does it apply to websites only or to APIs as well?.We will see what HSTS is from the developer's point of view: If you're curious how, read on - we will simulate such an attack in the local environment and then will see how to prevent it from the code in Node.js. Your web app may still be vulnerable to the Man-in-the-Middle (MITM) attacks. your and your visitors' data is safe now. You install the certificate, configure the HTTP → HTTPS redirect. You can have a free certificate from your cloud provider (AWS, Azure, Cloudflare) or you can generate one with LetsEncrypt. It's 2021 now, and serving websites and APIs over a secure (SSL/TLS) channel is the default mode of deployment. Today's topic is the HTTP Strict Transport Security (HSTS) policy. Problem → Example attack → Solution → Implementation in Node.js → ImplicationsĬode for this post's vulnerable demo project. ![]() Each post covers one security best practice in detail. This is a post in the series on Node.js security best practices.
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