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BOOK: Beginning ASP.NET 4 : in C# and VB
This is the forum to discuss the Wrox book Beginning ASP.NET 4: in C# and VB by Imar Spaanjaars; ISBN: 9780470502211
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Old April 6th, 2013, 02:15 PM
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Smile Deployed - Stack trace error: This is an invalid webresource request.

Hey Imar,

Hello again.
Fantasic tutorial book, did it from cover to cover, no errors in your book !!!
I succesfully deployed your tutorial to test/practice my work quite a while ago.. edgy1.com

Issue:
I periodically get the attached email about an invalid WebResource request.

Is it a hacker, a search engine, something wrong with my code or missing code/software on my provider server?

Thanks Mucho for your advice and patience.

Edgy
"Dollars"/TEXAS

I'm currently studying the Professional ASP.NET 4.0 in C# & VB, but it has errors and ommisions, yours did not !!!

*************** EMAIL Subject line *********************************
Error in page http://edgy1.com/WebResource.axd?d=K...33541946135544

********** Email body *****************
Message
This is an invalid webresource request.

StackTrace
at System.Web.Handlers.AssemblyResourceLoader.System. Web.IHttpHandler.ProcessRequest(HttpContext context) at System.Web.HttpApplication.CallHandlerExecutionSte p.System.Web.HttpApplication.IExecutionStep.Execut e() at System.Web.HttpApplication.ExecuteStep(IExecutionS tep step, Boolean& completedSynchronously)
Query String
d=KCoeR6b71J_vEE_t6FLm1fOSvdbGj0uYAF1b1SmdBQTAE_Fq jw7cvSF02_ynft_sK2NwWrB-6_4jow9-k3PO7LsS7QmpzPwNQGIGALeJWME1&t=634933541946135544
************************************************
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Old April 6th, 2013, 03:13 PM
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Quote:
Fantasic tutorial book, did it from cover to cover, no errors in your book !!!
I succesfully deployed your tutorial to test/practice my work quite a while ago.. edgy1.com
Thank you! And good to see you deployed your site.....

I am getting the same error message on my own sites as well, and I think they are from hack attempts. About two years ago there was a serious bug in ASP.NET that could be exploited through WebResource. So maybe hackers are trying to find out if your server is vulnerable.

More details:
http://stackoverflow.com/questions/5...source-request
http://threatpost.com/en_us/blogs/ne...et-apps-091310

Cheers,

Imar
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Imar Spaanjaars
http://Imar.Spaanjaars.Com
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Author of Beginning ASP.NET 4.5 : in C# and VB, Beginning ASP.NET Web Pages with WebMatrix
and Beginning ASP.NET 4 : in C# and VB.
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