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  • Mark Slade 48 posts 109 karma points
    Mar 11, 2015 @ 20:11
    Mark Slade
    0

    Unable to validate data filling up my logs

    Hi Guys,

    I've got a site that has just recently started to fill up my log files with:-

    2015-03-11 13:46:39,848 [11] ERROR Umbraco.Web.Mvc.AdminTokenAuthorizeAttribute - [Thread 31] Failed to format passed in token value System.Web.HttpException (0x80004005): Unable to validate data. at System.Web.Configuration.MachineKeySection.EncryptOrDecryptData(Boolean fEncrypt, Byte[] buf, Byte[] modifier, Int32 start, Int32 length, Boolean useValidationSymAlgo, Boolean useLegacyMode, IVType ivType, Boolean signData) at System.Web.Security.FormsAuthentication.Decrypt(String encryptedTicket) at Umbraco.Core.StringExtensions.DecryptWithMachineKey(String value) at Umbraco.Web.Mvc.AdminTokenAuthorizeAttribute.AuthorizeCore(HttpContextBase httpContext)

    I'm getting an entry like this every minute.

    Any clues?

    Cheers

    Mark

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  • Jan Skovgaard 11280 posts 23678 karma points MVP 11x admin c-trib
    Mar 11, 2015 @ 20:13
    Jan Skovgaard
    0

    Hi Mark

    What exact version of Umbraco are you using? Are you making use of any 3rd party packages, doing any 3rd party integration or making use of the Umbraco API to hook into backoffice events or something like that? What changes have been made to the site since this started happening?

    Looking forward to hearing from you.

    /Jan

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  • Mark Slade 48 posts 109 karma points
    Mar 11, 2015 @ 20:17
    Mark Slade
    0

    Hi Jan,

    Thanks for responding.

    We are using 6.2.4. The only addon is uTweets and i've got that running on countless sites. There are no hooks into the backoffice events. And from what I can tell, nothing has changed.

    Mark

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