How to fix “The CORS protocol does not allow specifying a wildcard (any) origin and credentials at the same time” error

Question

I\'ve already enabled CORS on the project in C# .net Core

In startup.cs I\'ve added lines

...
services.AddCors();
...
app.UseCors(builder =         


        

Answer 1

I also faced same issue, and I found solution here:

Setup Any Origin And Any Credentials

Change your CORS setup in startup.cs file like this

public void ConfigureServices(IServiceCollection services)
{
    // ...
    services.AddCors(options =>
    {
        options.AddDefaultPolicy(builder => 
            builder.SetIsOriginAllowed(_ => true)
            .AllowAnyMethod()
            .AllowAnyHeader()
            .AllowCredentials());
    });
}

It works for me.