We are using WordPress and what I would like to do is to redirect any requests to our main blog page that feature a query string, to the main blog page without a query string. The only exception being a search query.
Therefore:
/blog/?gibberish should redirect to /blog/
/blog/?gibberish=gibberish should redirect to /blog/
/blog/?s=cats should be processed as normal and not redirect
For simplicity here is the default WordPress redirect rules
# BEGIN WordPress
RewriteRule ^index.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /blog/index.php [L]
# END WordPress
Here is what I have tried so far
# BEGIN WordPress
RewriteRule ^index.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /blog/index.php [L]
RewriteCond %{QUERY_STRING} .
RewriteRule ^$ http://domain.com/ [R=301,L]
# END WordPress
However this comes up with an error in the browser saying the page isn’t redirecting properly.
The reason we want to do this is because we’re using a caching plugin, but it doesn’t cache requests with a query string. At the moment we have lots of malicious requests using nonsense query strings which is bypassing the caching and causing a load on the server.
You could do this in
functions.phpas well, executing a function oninitto check for bad queries and redirecting as needed.