.htaccess & WordPress: Exclude folder from RewriteRule
This is the #1 google result and the wrong answer.
The correct answer is adding this before the Wordpress directives.
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteCond %{REQUEST_URI} ^/subdirectoryname1/(.*)$ [OR]
RewriteCond %{REQUEST_URI} ^/subdirectoryname2/(.*)$ [OR]
RewriteRule ^.*$ - [L]
</IfModule>
RewriteCond %{REQUEST_URI} !^/(csNewsAd|csNewsAd/.*)$
instead of
RewriteRule ^/csNewsAd($|/) - [L]
Place the line below in the .htaccess file in the root.
ErrorDocument 401 default
Had the exact same problem and this worked for me. It is not the problem that the redirects don't work. The problem is that the 401 (Authorization Required) error is nog defined so the "popup" doesn't show.