From the course: SSL Certificates for Web Developers

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HSTS preloading

HSTS preloading - SSL Tutorial

From the course: SSL Certificates for Web Developers

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HSTS preloading

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- In this movie, we're going to continue our discussion of HSTS, by talking about a great feature called preloading. Let's review what we've talked about with HSTS so far. And let's do it by thinking about the steps that happen when a user tries to interact with a website, starting with an insecure connection. So the user goes to their browser, and they enter http:// and the domain name. That's not going to be a secure connection, because they used http. The request is going to be sent by the browser, using HTTP on port 80, then the web server is going to be told that it should redirect all requests on port 80 to use HTTPS. We did that in the first movie of this chapter. After that, the web browser's going to say, "oh, okay, I misunderstood, let me resubmit the request." This time using HTTPS on port 443. And then we've configured our web server already to us our SSL certificate, and to respond to that correctly. In the last movie, we also told the web server to send back a header…

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