Remove www in url
RewriteEngine On
RewriteCond %{HTTP_HOST} !^yourdomain.com$ [NC]
RewriteRule ^(.*)$ http://yourdomain.com/$1 [L,R=301]
Prevent hotlinking
RewriteEngine On
#Replace ?yourdomain\.com/ with your blog url
RewriteCond %{HTTP_REFERER} !^http://(.+\.)?yourdomain\.com/ [NC]
RewriteCond %{HTTP_REFERER} !^$
#Replace /images/nohotlink.jpg with your "don't hotlink" image url
RewriteRule .*\.(jpe?g|gif|bmp|png)$ /images/nohotlink.jpg [L]
Custom error pages
ErrorDocument 400 /errors/400.html
ErrorDocument 401 /errors/401.html
ErrorDocument 403 /errors/403.html
ErrorDocument 404 /errors/404.html
ErrorDocument 500 /errors/500.html
Force download of specific file tyoe
<Files *.xls>
ForceType application/octet-stream
Header set Content-Disposition attachment
</Files>
<Files *.eps>
ForceType application/octet-stream
Header set Content-Disposition attachment
</Files>
Prevent directory listing
Options -Indexes