routes.IgnoreRoute("{resource}.axd/{*pathInfo}");

Install-Package UrlFirewall.AspNetCore

services.AddUrlFirewall(options =>
            {
                options.RuleType = UrlFirewallRuleType.Black;
                options.SetRuleList(Configuration.GetSection("UrlBlackList"));
                options.StatusCode = HttpStatusCode.NotFound;
            });

app.UseUrlFirewall();//启用防火墙 开启黑名单请求路径
if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
                //HttpContext
                app.UseStaticHttpContext();
            }
            else
            {
                app.UseExceptionHandler("/Home/Error");
                app.UseHsts();
            }

{
"Logging": {
    "LogLevel": {
      "Default": "Information",
      "Microsoft": "Warning",
      "Microsoft.Hosting.Lifetime": "Information"
    }
  },
  //防火墙过滤这类型的访问
  "UrlBlackList": [
    {
      "Url": "{resource}.axd/{*pathInfo}",
      "Method": "All"
    }
  ]
}