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How to fix the WordFence wordfence-waf.php problem

My site has been down while I’ve tried to figure out (i.e., google someone else’s solution) to a crash caused by WordFence, an excellent utility that, ironically, protects your WordPress blog from various maladies.

The problem is severe: Users of your blog see naught but an error message of this form:

Fatal error: Unknown: Failed opening required ‘/home/dezi3014/public_html/wordfence-waf.php’ (include_path=’…/usr/lib/php /usr/local/lib/php’) in Unknown on line 0

The exact path will vary, but the meaning is the same. It is looking for a file that doesn’t exist. You’ll see the same message when you try to open your WordPress site as administrator. You’ll see it even when you manually uninstall WordPress by logging into your host and deleting the wordfence folder from the wp-content/plugins folder

If you look inside the wordfence-waf.php file (which is in whatever folder you’ve installed WordPress into), it warns you that “Before removing this file, please verify the PHP ini setting `auto_prepend_file` does not point to this.”

Helpful, except my php.ini file doesn’t have any reference to this. (I use MediaTemple.com as my host.) Some easy googling disclosed that the command to look for the file may not be in php.ini, but may be in .htaccess or .user.ini instead. And now you have to find those files.

At least for me, the .user.ini file is in the main folder into which you’ve installed WordPress. In fact, the only line in that file was the one that has the “auto_prepend_file” command. Remove that line and you have your site back.

I assume all of this is too obvious to write about for technically competent people. This post is for the rest of us.

One Response to “How to fix the WordFence wordfence-waf.php problem”

  1. At a (wild) guess, you could try creating a php.ini file containing the required instruction and then save it to the root folder for WordPress.

    I’ll be honest, I’m not an Apache expert, but I do know that the php.ini file has various manifestations.

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