IIS full manual for preventing file downloads (without changing the file name method)

Source: Internet
Author: User
IHttpHandler
Problem: prevent unauthorized download of all files in the encry Directory
Solution:
1. Overview: application ing in application IIS combines the IHttpHandler custom permissions in ASP. NET
IIS application ING is used to simply put all files and give control to our self-implemented IHttpHandler.
2. Implementation:
2.1 Add application ing: open IIS Manager-> right-click the site we want to control download-> "configure..." in the properties dialog box ..."
Change the file in the red circle to your own. netFramework aspnet_isapi.dll path.
2.2 modify web. config and add the httpHandlers item under system. web
<System. web>
...
<HttpHandlers>
<Add verb = "*" path = "encry/*. *" type = "CustomHttpHandler. Class1, CustomHttpHandler"> </add>
</HttpHandlers>
...
</System. web>
2.3 implement IHttpHandler
// ------------------------ File: Class1.cs ---------
Using System;
Using System. Web;
Namespace CustomHttpHandler
{
/// <Summary>
/// Summary of Class1.
/// </Summary>
Public class Class1: System. Web. IHttpHandler
{
Public Class1 ()
{
//
// TODO: add the constructor logic here
//
}
# Region IHttpHandler member
Public void ProcessRequest (HttpContext context)
{
// TODO: add Class1.ProcessRequest implementation
// String strRefUrl = context. Request. ServerVariables ["HTTP_REFERER"];
/* Insert your own code, read the file content and fill in Response. In this example, only one error message is returned */
Context. Response. Write ("you cannot access this page ");
}
Public bool IsReusable
{
Get
{
// TODO: add Class1.IsReusable getter implementation
Return false;
}
}
# Endregion
}
}
// ----------------- File: end ------------------------------------------------

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