public class EncFilterProvider : IFilterProvider
{
    public int Order
    {
        get
        {
            return -1500;
        }
    }

    public void OnProvidersExecuted(FilterProviderContext context)
    {
    }

    public void OnProvidersExecuting(FilterProviderContext context)
    {
        // remove authorize filters
        var authFilters = context.Results.Where(x =>
           x.Descriptor.Filter.GetType() == typeof(AuthorizeFilter)).ToList();
        foreach(var f in authFilters)
            context.Results.Remove(f);
    }
}

public void ConfigureServices(IServiceCollection services)
  {
      if(config["servermode"] = "internal")
      {
          services.AddScoped<IFilterProvider, EncFilterProvider>();
      }
   }