Fixing "Failed Opening Required wordfence-waf.php" – Restore or Recreate the File

Contents: Check If wordfence-waf.php Exists Restore wordfence-waf.php from Backup Recreate wordfence-waf.php Manually Check & Update wp-config.php Reinstall Wordfence (If Necessary) Summary of Fixes

Fixing Wordfence wordfence-waf.php Error

The error:

PHP Fatal error:  require_once(/home/user/public_html/wordfence-waf.php): 
failed to open stream: No such file or directory

indicates that Wordfence's Web Application Firewall (WAF) is missing or corrupted.

Check If wordfence-waf.php Exists

Run:

ls -lah /home/user/public_html/wordfence-waf.php

If the file does not exist, proceed to restore or recreate it.

Restore wordfence-waf.php from Backup

If you have a backup of your WordPress site, restore the wordfence-waf.php file from:

cPanel > File Manager
Your hosting provider's backup system
A manual backup (FTP, cPanel, SSH)

If the file is restored, restart Apache/Nginx:

sudo systemctl restart apache2

sudo systemctl restart nginx

Recreate wordfence-waf.php Manually

If the file cannot be restored, recreate it.

Create a New wordfence-waf.php

Connect via SSH or use cPanel File Manager

Create the file manually:

nano /home/user/public_html/wordfence-waf.php

Add the following content:

<?php
// Wordfence Web Application Firewall
if (file_exists(__DIR__ . '/wp-content/wflogs/bootstrap.php')) {
    include_once __DIR__ . '/wp-content/wflogs/bootstrap.php';
}

Save the file (CTRL + X, then Y, then ENTER).

Set correct permissions:

chmod 644 /home/user/public_html/wordfence-waf.php
chown www-data:www-data /home/user/public_html/wordfence-waf.php  # For Apache
chown nginx:nginx /home/user/public_html/wordfence-waf.php        # For Nginx

Restart Apache/Nginx

sudo systemctl restart apache2

sudo systemctl restart nginx

Check & Update wp-config.php

If wordfence-waf.php is still missing, check your wp-config.php file.

Open wp-config.php for editing:

nano /home/user/public_html/wp-config.php

Find this line (or add it if missing):

define("WFWAF_LOG_PATH", '/home/user/public_html/wp-content/wflogs/');

Save the file & exit.

Try loading your site again.

Reinstall Wordfence (If Necessary)

If Wordfence is still broken, reinstall it:

wp plugin deactivate wordfence
wp plugin delete wordfence
wp plugin install wordfence --activate

Now Wordfence WAF should work properly!

Summary of Fixes

Issue	Fix
File missing	Restore from backup or recreate manually
Permissions incorrect	Set `chmod 644` and `chown www-data:www-data`
Wrong wp-config.php settings	Add `define("WFWAF_LOG_PATH", ...)`
Wordfence corrupted	Reinstall with `wp plugin install wordfence`

Now Wordfence WAF should be working again!

Fixing "Failed Opening Required wordfence-waf.php" – Restore or Recreate the File

Check If wordfence-waf.php Exists

Restore wordfence-waf.php from Backup

Recreate wordfence-waf.php Manually

Create a New wordfence-waf.php

Restart Apache/Nginx

Check & Update wp-config.php

Reinstall Wordfence (If Necessary)

Summary of Fixes

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Fixing "Failed Opening Required wordfence-waf.php" – Restore or Recreate the File

Check If wordfence-waf.php Exists

Restore wordfence-waf.php from Backup

Recreate wordfence-waf.php Manually

Create a New wordfence-waf.php

Restart Apache/Nginx

Check & Update wp-config.php

Reinstall Wordfence (If Necessary)

Summary of Fixes

Hosting

Cloud Solution

For You

VDS

Website Builders

Our services

Client Area

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