web站点还在license么，云平台

如果建立私有平台，licensing机制还是必要的。

• for hash, i'm not sure how far you want to take your licensing plan, but you might want to look into ms slf services and api here http://msdn.microsoft.com/en-us/library/cc182740.aspx to get some ideas

  有点简陋，通过自定义的http module来分析请求的对象，host的信息

  'd like to reword my previous post for the benefit of others. by httpmodule means writing just a single httpmodule in a code file. not putting all codes in every aspx page. once you write a code, thats it. its effect is application wide.
  

  Licensing, Copy-Protection And Activations That Actually Works!

  CryptoLicensing for .Net is a 100% .Net licensing solution for any C# and Visual Basic.Net (VB.Net) software including:

  • Windows Forms (WinForms), WPF applications,console apps, components and controls.
  • ASP.Net web sites.
  • .Net Compact Framework apps developed for Pocket PC and Windows Mobile.
  • Silverlight apps and libraries including Windows Phone 7.0.
  • XNA and XBox games and libraries.
  • Windows Services, Office Add-Ins.
  • Mono / Mono For Android applications.

  
  

也有人来推荐商业化的方案，如果软件销售很好，就直接使用商业的好了，以免破解了还有人陪着。

Refer the below links, 也有提出一堆方案的，看起来也是很合理的，但防君子不防小人，这个在.net可以reflect的地方，要破解，内存中的东西也给你搞出来，所以选择

一个技术难度适中，实现成本一般，有所保护的软件license就可以了。

http://www.codeproject.com/Articles/4940/Using-XML-Digital-Signatures-for-Application-Licen

http://forums.asp.net/t/1687789.aspx/1?Licensing+model+to+an+asp+net+application

http://www2.sas.com/proceedings/sugi30/234-30.pdf

Thanks for your reply....the problem is i have to upload files to my client server....so i have fear that he may tamper my code if i place it in config file or dll

要得到的信息，可以实现计算得到码，在安装过程中可以使用。