2012-06-28 03:17:49 +00:00
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<table summary="Header navigation table" width="100%" border="0"
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<tr>
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<th colspan="3" align="center">Privoxy Frequently Asked
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Questions</th>
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</tr>
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<tr>
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<td width="10%" align="left" valign="bottom"><a href="general.html"
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accesskey="P">Prev</a></td>
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<td width="80%" align="center" valign="bottom"></td>
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<td width="10%" align="right" valign="bottom"><a href=
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"configuration.html" accesskey="N">Next</a></td>
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</tr>
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</table>
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<hr class="c1" width="100%">
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</div>
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<div class="SECT1">
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<h1 class="SECT1"><a name="INSTALLATION" id="INSTALLATION">2.
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Installation</a></h1>
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<div class="SECT2">
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<h3 class="SECT2"><a name="WHICHBROWSERS" id="WHICHBROWSERS">2.1. Which
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browsers are supported by Privoxy?</a></h3>
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<p>Any browser that can be configured to use a proxy, which should be
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virtually all browsers, including <span class=
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"APPLICATION">Firefox</span>, <span class="APPLICATION">Internet
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Explorer</span>, <span class="APPLICATION">Opera</span>, and
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<span class="APPLICATION">Safari</span> among others. Direct browser
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support is not an absolute requirement since <span class=
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"APPLICATION">Privoxy</span> runs as a separate application and talks
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to the browser in the standardized HTTP protocol, just like a web
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server does.</p>
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</div>
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<div class="SECT2">
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<h3 class="SECT2"><a name="WHICHOS" id="WHICHOS">2.2. Which operating
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systems are supported?</a></h3>
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<p>At present, <span class="APPLICATION">Privoxy</span> is known to run
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on Windows(95, 98, ME, 2000, XP, Vista), GNU/Linux (RedHat, SuSE,
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Debian, Fedora, Gentoo, Slackware and others), Mac OSX, OS/2, AmigaOS,
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FreeBSD, NetBSD, OpenBSD, Solaris, and various other flavors of
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Unix.</p>
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<p>But any operating system that runs TCP/IP, can conceivably take
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advantage of <span class="APPLICATION">Privoxy</span> in a networked
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situation where <span class="APPLICATION">Privoxy</span> would run as a
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server on a LAN gateway. Then only the <span class=
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"QUOTE">"gateway"</span> needs to be running one of the above operating
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systems.</p>
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<p>Source code is freely available, so porting to other operating
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systems is always a possibility.</p>
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</div>
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<div class="SECT2">
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<h3 class="SECT2"><a name="EMAIL-CLIENT" id="EMAIL-CLIENT">2.3. Can I
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use Privoxy with my email client?</a></h3>
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<p>As long as there is some way to set a HTTP proxy for the client,
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then yes, any application can be used, whether it is strictly speaking
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a <span class="QUOTE">"browser"</span> or not. Though this may not be
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the best approach for dealing with some of the common abuses of HTML in
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email. See <a href="configuration.html#OUTLOOK">How can I configure
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<span class="APPLICATION">Privoxy</span> with <span class=
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"APPLICATION">Outlook</span>?</a> below for more on this.</p>
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<p>Be aware that HTML email presents a number of unique security and
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privacy related issues, that can require advanced skills to overcome.
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The developers recommend using email clients that can be configured to
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convert HTML to plain text for these reasons.</p>
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</div>
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<div class="SECT2">
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<h3 class="SECT2"><a name="FIRSTSTEP" id="FIRSTSTEP">2.4. I just
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installed Privoxy. Is there anything special I have to do now?</a></h3>
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<p>All browsers should be told to use <span class=
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"APPLICATION">Privoxy</span> as a proxy by specifying the correct proxy
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address and port number in the appropriate configuration area for the
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browser. It's possible to combine <span class=
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"APPLICATION">Privoxy</span> with a packet filter to intercept HTTP
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requests even if the client isn't explicitly configured to use
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<span class="APPLICATION">Privoxy</span>, but where possible,
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configuring the client is recommended. See <a href=
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"../user-manual/startup.html" target="_top">the User Manual for more
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details</a>. You should also flush your browser's memory and disk cache
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to get rid of any cached junk items, and remove any stored <a href=
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"http://en.wikipedia.org/wiki/Browser_cookie" target=
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"_top">cookies</a>.</p>
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</div>
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<div class="SECT2">
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<h3 class="SECT2"><a name="LOCALHOST" id="LOCALHOST">2.5. What is the
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proxy address of Privoxy?</a></h3>
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<p>If you set up the <span class="APPLICATION">Privoxy</span> to run on
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the computer you browse from (rather than your ISP's server or some
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networked computer on a LAN), the proxy will be on <tt class=
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"LITERAL">127.0.0.1</tt> (sometimes referred to as <span class=
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"QUOTE">"localhost"</span>, which is the special name used by every
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computer on the Internet to refer to itself) and the port will be 8118
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(unless you used the <a href=
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"../user-manual/config.html#LISTEN-ADDRESS" target=
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"_top">listen-address</a> config option to tell <span class=
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"APPLICATION">Privoxy</span> to run on a different port).</p>
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<p>When configuring your browser's proxy settings you typically enter
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the word <span class="QUOTE">"localhost"</span> or the IP address
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<span class="QUOTE">"127.0.0.1"</span> in the boxes next to
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<span class="QUOTE">"HTTP"</span> and <span class=
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"QUOTE">"Secure"</span> (HTTPS) and then the number <span class=
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"QUOTE">"8118"</span> for <span class="QUOTE">"port"</span>. This tells
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your browser to send all web requests to <span class=
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"APPLICATION">Privoxy</span> instead of directly to the Internet.</p>
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<p><span class="APPLICATION">Privoxy</span> can also be used to proxy
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for a Local Area Network. In this case, your would enter either the IP
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address of the LAN host where <span class="APPLICATION">Privoxy</span>
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is running, or the equivalent hostname, e.g. <tt class=
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"LITERAL">192.168.1.1</tt>. Port assignment would be same as above.
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Note that <span class="APPLICATION">Privoxy</span> doesn't listen on
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any LAN interfaces by default.</p>
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<p><span class="APPLICATION">Privoxy</span> does not currently handle
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any other protocols such as FTP, SMTP, IM, IRC, ICQ, etc.</p>
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</div>
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<div class="SECT2">
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<h3 class="SECT2"><a name="NOTHING" id="NOTHING">2.6. I just installed
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Privoxy, and nothing is happening. All the ads are there. What's
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wrong?</a></h3>
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<p>Did you configure your browser to use <span class=
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"APPLICATION">Privoxy</span> as a proxy? It does not sound like it. See
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above. You might also try flushing the browser's caches to force a full
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re-reading of pages. You can verify that <span class=
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"APPLICATION">Privoxy</span> is running, and your browser is correctly
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configured by entering the special URL: <a href="http://p.p/" target=
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"_top">http://p.p/</a>. This should take you to a page titled
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<span class="QUOTE">"This is Privoxy.."</span> with access to
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<span class="APPLICATION">Privoxy's</span> internal configuration. If
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you see this, then you are good to go. If you receive a page saying
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<span class="QUOTE">"Privoxy is not running"</span>, then the browser
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is not set up to use your <span class="APPLICATION">Privoxy</span>
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installation. If you receive anything else (probably nothing at all),
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it could either be that the browser is not set up correctly, or that
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<span class="APPLICATION">Privoxy</span> is not running at all. Check
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the <a href="../user-manual/config.html#LOGFILE" target="_top">log
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file</a>. For instructions on starting <span class=
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"APPLICATION">Privoxy</span> and browser configuration, see the
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<a href="http://www.privoxy.org/user-manual/startup.html" target=
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"_top">chapter on starting <span class="APPLICATION">Privoxy</span></a>
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in the <a href="http://www.privoxy.org/user-manual/" target="_top">User
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Manual</a>.</p>
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</div>
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<div class="SECT2">
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<h3 class="SECT2"><a name="NOTUSED" id="NOTUSED">2.7. I get a
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<span class="QUOTE">"Privoxy is not being used"</span> dummy page
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although Privoxy is running and being used.</a></h3>
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<p>First, make sure that Privoxy is <span class=
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"emphasis EMPHASIS c2">really</span> running and being used by visiting
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<a href="http://p.p/" target="_top">http://p.p/</a>. You should see the
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<span class="APPLICATION">Privoxy</span> main page. If not, see the
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<a href="http://www.privoxy.org/user-manual/startup.html" target=
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"_top">chapter on starting <span class="APPLICATION">Privoxy</span></a>
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in the <a href="http://www.privoxy.org/user-manual/" target="_top">User
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Manual</a>.</p>
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<p>Now if <a href="http://p.p/" target="_top">http://p.p/</a> works for
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you, but other parts of <span class="APPLICATION">Privoxy</span>'s web
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interface show the dummy page, your browser has cached a redirection it
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encountered before <span class="APPLICATION">Privoxy</span> was being
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used. You need to clear your browser's cache. Note that shift-reloading
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the dummy page won't help, since that'll only refresh the dummy page,
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not the redirection that lead you there.</p>
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<p>The procedure for clearing the cache varies from browser to browser.
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For example, <span class="APPLICATION">Mozilla/Netscape</span> users
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would click <span class="GUIBUTTON">Edit</span> --> <span class=
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"GUIBUTTON">Preferences</span> --> <span class=
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"GUIBUTTON">Advanced</span> --> <span class="GUIBUTTON">Cache</span>
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and then click both <span class="QUOTE">"<span class="GUIBUTTON">Clear
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Memory Cache</span>"</span> and <span class="QUOTE">"<span class=
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"GUIBUTTON">Clear Disk Cache</span>"</span>. In some <span class=
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"APPLICATION">Firefox</span> versions it's <span class=
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"GUIBUTTON">Tools</span> --> <span class="GUIBUTTON">Options</span>
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--> <span class="GUIBUTTON">Privacy</span> --> <span class=
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"GUIBUTTON">Cache</span> and then click <span class=
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"QUOTE">"<span class="GUIBUTTON">Clear Cache Now</span>"</span>.</p>
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</div>
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</div>
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<div class="NAVFOOTER">
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<hr class="c1" width="100%">
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<table summary="Footer navigation table" width="100%" border="0"
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cellpadding="0" cellspacing="0">
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<tr>
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<td width="33%" align="left" valign="top"><a href="general.html"
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accesskey="P">Prev</a></td>
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<td width="34%" align="center" valign="top"><a href="index.html"
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accesskey="H">Home</a></td>
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<td width="33%" align="right" valign="top"><a href=
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"configuration.html" accesskey="N">Next</a></td>
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</tr>
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<tr>
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<td width="33%" align="left" valign="top">General Information</td>
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<td width="34%" align="center" valign="top"> </td>
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<td width="33%" align="right" valign="top">Configuration</td>
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</tr>
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</table>
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</div>
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</body>
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</html>
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