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Error : This request has probably been tampered with. Close the browser and try again.

Vote:
 

Hi,

Details are below

  1. Upgraded CMS 6R2 to CMS 7.19.
  2. Trying to access admin mode to run page type builder plugin.
  3. Removed all restrictions from config to get direct login. But after trying to do any operation, app get broke. see error details.

"This request has probably been tampered with. Close the browser and try again.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.InvalidOperationException: This request has probably been tampered with. Close the browser and try again.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[InvalidOperationException: This request has probably been tampered with. Close the browser and try again.]
   EPiServer.Framework.Web.AspNetAntiForgery.ThrowForgeryException() +295
   EPiServer.Framework.Web.AspNetAntiForgery.ValidateField() +68
   EPiServer.Web.PageExtensions.AntiForgeryValidation.PreInit(Object sender, EventArgs e) +61
   System.EventHandler.Invoke(Object sender, EventArgs e) +0
   System.Web.UI.Page.OnPreInit(EventArgs e) +91
   EPiServer.Shell.WebForms.WebFormsBase.OnPreInit(EventArgs e) +13
   System.Web.UI.Page.PerformPreInit() +21
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1040

"

4. Felt that  FormAuth/login cookie issue, hence  we have creaed one admin account and try to login , but user reamain on login and login cookie get overwriiten or doesn't get created.

5. Tried to disable AnitForgery validation by setting  "requireSSL=false" from config, but no success.

Please sugget, what could be the error?

Thank you

#323049
Edited, Jun 03, 2024 13:06
Vote:
 

Have you added the machine key property in web.config on all machines?

#323094
Jun 04, 2024 7:44
abhishektayade - Jun 04, 2024 8:20
Hi Eric,

Thanks for response.
There was already a Machine key while upgrade. Also tried it with new one. This is my local system actually. There are around 13 site configured in CMS.

One more thing ....do I need to do with Site Configuration which is moved to DB from EPI framework file?
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