CODEWITHSUNDEEP
asp.net-coreasp.net-core-2.1
Miguel Moura
Miguel Moura

Reputation: 39364

Use SSL Certificate in ASP.NET Core 2.1 while Developing

On an ASP.NET Core 2.1 I application appSettings file I have the following:

"Kestrel": {
  "Certificates": {
    "Default": {
      "Path": "localhost.pfx",
      "Password": "1234"
    }
  }
}

I created the certificate using the dotnet command:

dotnet dev-certs https -ep "localhost.pfx" -p 1234

And I copied the localhost.pfx file to the project root along the appSettings file.

When I run the project on http://localhost:5000 it is redirected to https://localhost:5001.

However, I receive the browser error saying the connection is not safe and asking me to add an exception.

What am I doing wrong?

Upvotes: 11

Views: 15899

Answers (1)

Shaun Luttin
Shaun Luttin

Reputation: 141462

Short Answer

Include the --trust option. 

dotnet dev-certs https -ep "localhost.pfx" -p 1234 --trust

That creates a certificate that will work with these appsettings.json:

"Kestrel": {
  "Certificates": {
    "Default": {
      "Path": "localhost.pfx",
      "Password": "12345"
    }
  }
}

Notes

If you need to recreate the certificate, clean the certificate store first. 

dotnet dev-certs https --clean

The --trust option will work right away with Chrome; with Firefox, though, we will still need to add a security exception.

Using --trust means that we no longer need to add the "Kestrel" section to the appsettings.json file.

Upvotes: 18

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