Server Error in '/rs' Application.

A potentially dangerous Request.Form value was detected from the client (ctl00$cphBody$forum$ctl03$IPLocatorUrlPath="...city/?key=&ip={0...").

http://go.microsoft.com/fwlink/?LinkId=153133 .

Exception Details: System.Web.HttpRequestValidationException: A potentially dangerous Request.Form value was detected from the client (ctl00$cphBody$forum$ctl03$IPLocatorUrlPath="...city/?key=&ip={0...").

Source Error:

[No relevant source lines]

Source File: c:\windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\rs\c41bcf8e\7b89ffc0\App_Web_spypj23u.4.cs Line: 0

Stack Trace:

[HttpRequestValidationException (0x80004005): A potentially dangerous Request.Form value was detected from the client (ctl00$cphBody$forum$ctl03$IPLocatorUrlPath="...city/?key=&ip={0...").]

System.Web.HttpRequest.ValidateString(String value, String collectionKey, RequestValidationSource requestCollection) +8862660

System.Web.HttpRequest.ValidateNameValueCollection(NameValueCollection nvc, RequestValidationSource requestCollection) +122

System.Web.HttpRequest.get_Form() +150

System.Web.UI.Page.GetCollectionBasedOnMethod(Boolean dontReturnNull) +114

System.Web.UI.Page.DeterminePostBackMode() +69

System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +8431

System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +253

System.Web.UI.Page.ProcessRequest() +78

System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context) +21

System.Web.UI.Page.ProcessRequest(HttpContext context) +49

ASP.forum_default_aspx.ProcessRequest(HttpContext context) in c:\windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\rs\c41bcf8e\7b89ffc0\App_Web_spypj23u.4.cs:0

System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +100

System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +75

Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.272

Set the requestValidationMode attribute in the httpRuntime configuration section to requestValidationMode="2.0", in the web.config. Example: .

You can safely turn off the page validation because the input on all pages is checked everywhere and encoded whith a better protection then the page valdidation provides.

By default, .Net 4.0 rejects all requests with <>*%&:\? characters.

And this is all. YAF stores data "as-is" and protects them while displaying as was written above.