# Allow access to a website URI/URL based on IP Address
RewriteCond %{REQUEST_URI} ^(.*/website-url/|.*/another-website-url/)$
# Add your Public IP Address using 2 or 3 octets so that if/when
# your IP address changes it will still be in your subnet range. If you
# have a static IP address then use all 4 octets.
# Examples: 2 octets: 65.100. 3 octets: 65.100.50. 4 octets: 65.100.50.1
RewriteCond %{REMOTE_ADDR} !^65\.100\.50\.$
RewriteRule ^(.*)$ - [F,L]
IMPORTANT NOTES: This URI|URL IP Address Allow htaccess code MUST be saved in this BPS Root Custom Code text box (BEFORE/ABOVE any htaccess caching code): 1. CUSTOM CODE TOP PHP/PHP.INI HANDLER/CACHE CODE. The .* htaccess code in front of the REQUEST_URI condition is critical. The code will not work correctly if you do not add the .* in front of the URI|URL.
Also you only need to add the last part of the URI and not the entire URI.
Example:
www.example.com/650/category/another-sub-category/website-url/
You would only need the last part of the URI in your htaccess code: .*/website-url/
Or if this is a WordPress Post or Page you can use the built-in WordPress Visibility options on the Post or Page Editor page for a Post or Page to make it Private or Password Protected.
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