PHP fatal error in error log

  • Hi! My error log has lots of posts like this below. Thanks your support!

    [02-Mar-2025 18:36:19 Europe/] PHP Fatal error: Uncaught mysqli_sql_exception: Connection refused in /wp-content/plugins/ninjafirewall/lib/firewall.php:451 Stack trace: #0 /wp-content/plugins/ninjafirewall/lib/firewall.php(451): mysqli_real_connect() #1 /wp-content/plugins/ninjafirewall/lib/firewall.php(104): nfw_connect() #2 /wp-content/nfwlog/ninjafirewall.php(10): include_once(‘/home/kozpontis…’) #3 {main} thrown in /wp-content/plugins/ninjafirewall/lib/firewall.php on line 451

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  • Plugin Contributor bruandet

    (@bruandet)

    The firewall cannot connect to the database, the connection is refused (maybe due to wrong credentials).
    Can you download this script: https://nintechnet.com/share/wp-db.txt
    1. Rename it to “wp-db.php”.
    2. Upload it into your WordPress root folder.
    3. Go to https://YOUR WEBSITE/wp-db.php and look for error in the results.
    4. Delete it afterwards.

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