htaccess troubleshoot

#   BULLETPROOF PRO 5.D DEFAULT .HTACCESS

# If you edit the line of code above you will see error messages on the BPS Security Status page
# WARNING!!! THE default.htaccess FILE DOES NOT PROTECT YOUR WEBSITE AGAINST HACKERS
# This is a standard generic htaccess file that does NOT provide any website security
# The DEFAULT .HTACCESS file should be used for testing and troubleshooting purposes only

# my test code
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{HTTP_HOST} ^mydomain\.com$ [NC]
RewriteRule . /holding.html [L] # to redirect all 404 pages
RewriteRule bad_link\.html /holding.html [L] # to redirect selected 404 page
</IfModule>
# end test code

# BEGIN WordPress
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>

# END WordPress