RewriteEngine on
# If a directory or a file exists, use it directly
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
# Otherwise forward it to index.php
RewriteRule . index.php
/elfinder/connect?_csrf-backend=cWRlRnZZX1QAETUSRgEcOCFdLms0KTViGQ4rKBQcOhB…KFg%3D%3D&mimes%5B%5D=image&cmd=open&target=&init=1&tree=1&_=1491320481183 Failed to load resource: the server responded with a status of 500 (Internal Server Error)