A website needs an SSL certificate in order to keep user data secure, verify ownership of the website, prevent attackers from creating a fake version of the site, and gain user trust.
This document introduces how to get and use SSL certificate(HTTPS) for your application.
You can get a SSL certificate from a certificate authority (CA) such as Let's Encrypt or Cloudflare and so on.
Once you have a certificate, you need to configure your web server to use it. The following references show how to configure your web server to use a certificate.
- Host ASP.NET Core on Linux with Apache: HTTPS configuration
- Host ASP.NET Core on Linux with Nginx: HTTPS configuration
- How to Set Up SSL on IIS 7 or later
You can create a self-signed certificate for testing purposes or internal use.
There is an article about how to create a self-signed certificate, If you are using IIS, you can use the following this document to obtain a Certificate
This error may occur when using IIS. You need to trust your certificate by Manage computer certificates.