<!-- TODO: Add discussion here of why we have !^$ in there. -->
<highlight language="config">
-RewriteCond %{HTTP_REFERER} <strong>!^$</strong>
+RewriteCond %{HTTP_REFERER} !^$
RewriteCond %{HTTP_REFERER} !www.example.com [NC]
-RewriteRule <strong>\.(gif|jpg|png)$</strong> - [F,NC]
+RewriteRule \.(gif|jpg|png)$ - [F,NC]
</highlight>
<p>In this second example, instead of failing the request, we display
an alternate image instead.</p>
<highlight language="config">
-RewriteCond %{HTTP_REFERER} <strong>!^$</strong>
+RewriteCond %{HTTP_REFERER} !^$
RewriteCond %{HTTP_REFERER} !www.example.com [NC]
-RewriteRule <strong>\.(gif|jpg|png)$</strong> /images/go-away.png [R,NC]
+RewriteRule \.(gif|jpg|png)$ /images/go-away.png [R,NC]
</highlight>
<p>In the third example, we redirect the request to an image on some
other site.</p>
<highlight language="config">
-RewriteCond %{HTTP_REFERER} <strong>!^$</strong>
+RewriteCond %{HTTP_REFERER} !^$
RewriteCond %{HTTP_REFERER} !www.example.com [NC]
-RewriteRule <strong>\.(gif|jpg|png)$</strong> http://other.example.com/image.gif [R,NC]
+RewriteRule \.(gif|jpg|png)$ http://other.example.com/image.gif [R,NC]
</highlight>
<p>Of these techniques, the last two tend to be the most effective
particular source.</p>
<highlight language="config">
-RewriteCond %{HTTP_USER_AGENT} ^<strong>NameOfBadRobot</strong>
-RewriteCond %{REMOTE_ADDR} =<strong>123\.45\.67\.[8-9]</strong>
-RewriteRule ^<strong>/secret/files/</strong> - [<strong>F</strong>]
+RewriteCond %{HTTP_USER_AGENT} ^NameOfBadRobot
+RewriteCond %{REMOTE_ADDR} =123\.45\.67\.[8-9]
+RewriteRule ^/secret/files/ - [F]
</highlight>
</dd>