asp.net core 5 allow cors all

public void ConfigureServices(IServiceCollection services) { services.AddCors(options => { options.AddPolicy(MyAllowSpecificOrigins, builder => { builder.WithOrigins("http://example.com", "http://www.contoso.com") .AllowAnyHeader() .AllowAnyMethod(); }); }); services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_2); }

asp.net allow cors for all

// Credit_1: https://www.infoworld.com/article/3327562/how-to-enable-cors-in-aspnet-core.html
// Credit_2: https://docs.microsoft.com/en-us/aspnet/core/security/cors?view=aspnetcore-5.0

// At class "Startup":
#region global variables
readonly string MyAllowSpecificOrigins = "_myAllowSpecificOrigins";
#endregion

// Inside "ConfigureServices" function
// From a --SINGLE SOURCE-- (in this case localhost:4200):
services.AddCors(options =>
{
	options.AddPolicy(name: MyAllowSpecificOrigins,
	builder => builder.WithOrigins("http://localhost:4200").AllowAnyMethod().AllowAnyHeader());
});

// From --ALL SOURCES--:
services.AddCors(options =>
{
	options.AddPolicy(name: MyAllowSpecificOrigins,
    builder => builder.AllowAnyOrigin());
});

// Inside "Configure" function
app.UseCors(MyAllowSpecificOrigins);

Posted by: Guest on August-03-2021

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