asp.net站点阻止某个文件夹或者文件被浏览器访问

 1 using System;
 2 
 3 namespace System.Web
 4 {
 5     internal class HttpForbiddenHandler : IHttpHandler
 6     {
 7         public bool IsReusable
 8         {
 9             get
10             {
11                 return true;
12             }
13         }
14 
15         internal HttpForbiddenHandler()
16         {
17         }
18 
19         public void ProcessRequest(HttpContext context)
20         {
21             PerfCounters.IncrementCounter(AppPerfCounter.REQUESTS_NOT_FOUND);
22             throw new HttpException(403, SR.GetString("Path_forbidden", new object[]
23             {
24                 context.Request.Path
25             }));
26         }
27     }
28 }