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VB 5.1.8 Facebook authorization token is not valid.

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  • VB 5.1.8 Facebook authorization token is not valid.


    On a VBulletin 5.1.8 build on AWS EC2 Servers running unix / php / mysql, where there are no plug-ins or extra features added, I am experiencing an issue where registered users cannot login with facebook. I have done what due diligence I could, cleared the browser cache, cookies, cleared the server cache, checked for out of version files, looks normal.

    This seems unrelated to the server files (as I have not made any changes since the last security update [vBulletin 5.1.8 Patch Level 3])

    On my forum, you can click the FB button, and a dialogue box will pop up asking for username and password for facebook. Once provided the dialogue box closes and the screen fades. The user is shown this error:
    Click image for larger version

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    Facebook developer alerts are empty, no messages from facebook indicating there are issues with the token.

    I have attempted to clear the local internet browser cache and fb_ cookies, no change. I cleared the server cache, no change.
    Attached Files

  • #2
    If I remove the cookies fb_ from my domain; I can attempt to enter my facebook email and password again, which results in the same error message.
    Even deleting the cookies makes no difference.


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