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ERRMSG: A potentially dangerous Request Form value was detected from the client

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ERRMSG: A potentially dangerous Request Form value was detected from the client



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By Ryan Healey
InstantASP Support

After installing InstantForum.NET or InstantKB.NET under .NET 4.0 you may receive the following error when trying to save articles or post topics with HTML inside...

A potentially dangerous Request.Form value was detected from the client (strSearchEventArgsXML="<s/>").
Resolution

1. Open your web.config file and locate the <httpRuntime> element  This may look like...

<httpRuntime maxRequestLength="30720"  />

2. Update the httpRuntime element and add the requestValidationMode attribute as shown below...

<httpRuntime requestValidationMode="2.0".maxRequestLength="30720"  />

That's It!

Implementing these suggestions should resolve this exception message. If you require further assistance please don't hesitate to open a support ticket or contact us.




Related Links



Open link in new window... Using InstantForum.NET 2010 Under .NET 4.0

Open link in new window... A potentially dangerous Request.Form value was detected

Open link in new window... Using InstantForum.NET 2012 under .NET 4.0


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Details

Product: InstantKB.NET, InstantForum.NET

Version: All Versions

Type: ERRMSG

Level: Novice

Rated 5 stars based on 1 vote

Article has been viewed 2,472 times.

Last Modified:14 December 2011

Last Modified By: Ryan Healey


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