<p>The domain string <strong>must</strong> begin with a dot, and
<strong>must</strong> include at least one embedded dot. That is,
- ".foo.com" is legal, but "foo.bar.com" and ".com" are not.</p>
+ <code>.foo.com</code> is legal, but <code>foo.bar.com</code> and
+ <code>.com</code> are not.</p>
+
+ <div class="note">Most browsers in use today will not allow cookies to be set
+ for a two-part top level domain, such as <code>.co.uk</code>,
+ although such a domain ostensibly fulfills the requirements
+ above.<br />
+
+ These domains are equivalent to top level domains such as
+ <code>.com</code>, and allowing such cookies may be a security
+ risk. Thus, if you are under a two-part top level domain, you
+ should still use your actual domain, as you would with any other top
+ level domain (for example <code>.foo.co.uk</code>).
+ </div>
+
</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<p>Not all clients can understand all of these formats. but you
should use the newest one that is generally acceptable to your
- users' browsers.</p>
+ users' browsers. At the time of writing, most browsers only fully
+ support <code>CookieStyle Netscape</code>.</p>
</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_usertrack</td></tr>
</table>
- <p>When the user track module is compiled in, and
- "CookieTracking on" is set, Apache will start sending a
+ <p>When <code class="module"><a href="../mod/mod_usertrack.html">mod_usertrack</a></code> is loaded, and
+ <code>CookieTracking on</code> is set, Apache will send a
user-tracking cookie for all new requests. This directive can
be used to turn this behavior on or off on a per-server or
- per-directory basis. By default, compiling mod_usertrack will
- not activate cookies. </p>
+ per-directory basis. By default, enabling
+ <code class="module"><a href="../mod/mod_usertrack.html">mod_usertrack</a></code> will <strong>not</strong>
+ activate cookies. </p>
</div>