Rublon Two-Factor Authentication
[resolved] RC_REST_CREDENTIALS_FAILURE (3 posts)

  1. Folas
    Posted 2 years ago #

    I am getting the above error message when I try to log in with Rublon installed.

    Is this a known issue? I updated OpenSSL because of the heartbleed bug yesterday so it might be the cause.

    Can you give further information to this error message?


  2. Rublon
    Plugin Author

    Posted 2 years ago #

    It looks like the update of OpenSSL might have prevented cURL from functioning properly. In order to fix this, please run the following commands on your server (I understand that you know how to do this since you were able to update OpenSSL yourself):


    This will recreate links and caches for your system libraries.

    Restart Apache (httpd) or if you use php-fpm, please restart the php-fpm process.

    Please let me know if this helps.

  3. Folas
    Posted 2 years ago #

    I got it fixed.

    It seems like something with cURL was either messed up or uninstalled during the process of updating openSSL. I can't really tell what it was, but I've done the above and had to install/update some packages after I did this.

    "sudo apt-get install curl libcurl3 libcurl3-dev php5-curl" fixed everything (of course I also had to restart apache afterwards!).

    Thanks for the support and quick answer.

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