Hi, I have a question about this odd occurance. I have a site running CP, Divi, and a handful of plugins, including All In One SEO Pack. While checking WordFence, and then trying to tweak the client’s SEO, I was blocked by this odd alert. Can anyone help with what this means or what could be causing it? I thought it was very odd that I could not change SEO settings.
This is the alert I got:
Not Acceptable!
An appropriate representation of the requested resource could not be found on this server. This error was generated by Mod_Security.
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It’s possible that the mod_security PHP module (on the server) flagged some sort of activity as suspicious and is therefore blocking further activity from that same user. For example, while designing custom login screens, I had to repeatedly type wrong passwords, which mod_security flagged as suspicious and locked me from doing any more attempts. This block (usually) goes away after 10-15 minutes… or you can optionally disable what is often called “Extra Web Security” for the domain to get back in immediately; the setting (for me) is in my hosting control panel, but, it may also be an option in your security plugin.
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Thanks. I’m on the phone with the hosting company now, but they recently updated to PHP 7.3 without notifying me, and some of the other PHP settings aren’t what they should so…I have a feeling the bug is in there somewhere.
I ran into this problem recently on a WP 4.9.x site running on PHP7.2. Never got to the bottom of why it happened but it turned out to be an issue with Wordfence rather than mod_security. Wordfence had blocked the user’s IP. Had to clear the IP from the database and all was well after that.
Have you tried disabling Wordfence (via FTP if necessary)?
I eventually found out that it was the hosting provider, actually, that was blocking it in this case.
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