<div class="next"> <ul> <li>[[Browsing the web with <span class="application">Tor Browser</span>|doc/anonymous_internet/Tor_browser]]</li> </ul> </div>
For example, the user-agent string of <span class="application">Tor Browser</span> includes <em>Windows NT</em> but this value preserves your anonymity even if you run Windows NT. On the other hand, changing this value makes you distinguishable from other users of <span class="application">Tor Browser</span> and, as a consequence, weakens your anonymity.
This second synchronization is made by sending HTTPS queries through Tor to several websites and deducing a correct time from their answers. You can see the list of websites that Tails can connect to in *[[!tails_gitweb config/chroot_local-includes/etc/default/htpdate.pools desc="/etc/default/htpdate.pools"]]*.