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+<?xml version="1.0" encoding="utf-8"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+ - License, v. 2.0. If a copy of the MPL was not distributed with this
+ - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
+ "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"[
+ <!ENTITY % brandDTD SYSTEM "chrome://branding/locale/brand.dtd" >
+ %brandDTD;
+]>
+
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+<title>Using Privacy Features</title>
+<link rel="stylesheet" href="helpFileLayout.css"
+ type="text/css"/>
+</head>
+<body>
+
+<h1 id="using_the_cookie_manager">Using the Cookie Manager</h1>
+
+<p>A cookie is a small amount of information on your computer that is used by
+ some websites. For a brief overview, see
+ <a href="privacy_help.xhtml#what_are_cookies_and_how_do_they_work">What Are
+ Cookies and How Do They Work?</a></p>
+
+<p>Before loading a web page that uses cookies, your browser handles the
+ page&apos;s cookies by doing two things:</p>
+
+<ul>
+ <li>Accepts or rejects any requests by the website to <strong>set</strong>
+ (store) one or more cookies on your computer.</li>
+ <li>Accepts or rejects any requests by the website to <strong>read</strong>
+ cookies it previously stored on your computer. A website can&apos;t
+ actually read cookies or any other data on your computer&mdash;instead,
+ your browser gets the cookies and sends them back to the website.</li>
+</ul>
+
+<div class="contentsBox">In this section:
+ <ul>
+ <li><a href="#enabling_and_disabling_cookies">Enabling &amp; Disabling
+ Cookies</a></li>
+ <li><a href="#managing_cookies_site-by-site">Managing Cookies
+ Website-By-Website</a></li>
+ <li><a href="#viewing_cookies">Viewing Cookies</a></li>
+ <li><a href="#removing_cookies">Removing Cookies</a></li>
+ <li><a href="#cookie_manager_settings">Cookie Manager Settings</a></li>
+ </ul>
+</div>
+
+<h2 id="enabling_and_disabling_cookies">Enabling &amp; Disabling Cookies</h2>
+
+<p>You can specify how cookies should be handled by setting your Cookies
+ preferences. To change your Cookies preferences:</p>
+
+<ol>
+ <li>Open the <span class="mac">&brandShortName;</span>
+ <span class="noMac">Edit</span> menu and choose Preferences.</li>
+ <li>Under the Privacy &amp; Security category, click Cookies. (If no
+ subcategories are visible, double-click Privacy &amp; Security to expand
+ the list.)</li>
+ <li>Set your Cookies preferences.</li>
+</ol>
+
+<p>For more information about the effect of each setting, see
+ <a href="#cookies">Privacy &amp; Security Preferences - Cookies</a>.</p>
+
+<p>[<a href="#using_the_cookie_manager">Return to beginning of
+ section</a>]</p>
+
+<h2 id="managing_cookies_site-by-site">Managing Cookies Website-By-Website</h2>
+
+<p>To set cookie permissions for the current website:</p>
+
+<ol>
+ <li>Open the Tools menu and choose Cookie Manager.</li>
+ <li>Choose one of the following items:
+ <ul>
+ <li><strong>Block Cookies from this Website</strong>: Block the
+ current website from setting cookies.</li>
+ <li><strong>Use Default Cookie Permissions</strong>: Reset
+ cookie permission for the current website and use the
+ <a href="#cookie_manager_settings">default settings</a>.</li>
+ <li><strong>Allow Session Cookies from this Website</strong>: Allow
+ the current website to set session cookies. Persistent cookies from
+ this website will be downgraded to session cookies.</li>
+ <li><strong>Allow Cookies from this Website</strong>: Allow the
+ current website to set cookies.</li>
+ </ul>
+ </li>
+</ol>
+
+<p>To <a href="#add_cookie_sites">set cookie permission</a> for several websites
+ or a website you are not viewing, use the Cookie Manager.</p>
+
+<p>Other dialog options:</p>
+
+<ul>
+ <li><strong>Use my choice for all cookies from this website</strong>:
+ If you check this option, you will not be warned the next time
+ that website tries to set or modify a cookie, and your <q>allow</q> or
+ <q>deny</q> response will still be in effect.</li>
+ <li><strong>Show Details</strong>/<strong>Hide Details</strong>:
+ Click the button to show or hide <a href="#viewing_cookies">detailed
+ information</a> of the cookie.</li>
+</ul>
+
+<p>If you want to change a remembered response later, use the Cookie Manager
+ to edit <a href="#stored_cookies">stored cookies</a> and
+ <a href="#cookie_sites">add or remove cookie websites</a>.</p>
+
+<p>To stop automatically accepting or rejecting cookies from a website:</p>
+
+<ol>
+ <li>Open the Tools menu and choose Cookie Manager.</li>
+ <li>Choose Manage Stored Cookies from the submenu. The Cookie Manager window
+ opens with a list of all the cookies stored on your computer.</li>
+ <li>Click the Cookie Websites tab. The sites for which you have allowed or
+ denied cookies are listed.</li>
+ <li>Click to select the website from which you no longer want to automatically
+ accept cookies, and then click Remove Cookie.</li>
+</ol>
+
+<p>[<a href="#using_the_cookie_manager">Return to beginning of section</a>]</p>
+
+<h2 id="viewing_cookies">Viewing Cookies</h2>
+
+<p>To view detailed information about cookies:</p>
+
+<ol>
+ <li>Open the Tools menu and choose Cookie Manager.</li>
+ <li>Choose Manage Stored Cookies from the submenu. The Cookie Manager window
+ opens with a list of all the cookies stored on your computer.</li>
+ <li>Select a cookie to see its details.</li>
+</ol>
+
+<p>For more information about the information displayed, see
+ <a href="#stored_cookies">Stored Cookies</a>.</p>
+
+<p>[<a href="#using_the_cookie_manager">Return to beginning of section</a>]</p>
+
+<h2 id="removing_cookies">Removing Cookies</h2>
+
+<p><strong>Important</strong>: To remove cookies, follow the steps in this
+ section. Do not try to edit the cookies file on your computer.</p>
+
+<p>To remove one or more cookies from your computer:</p>
+
+<ol>
+ <li>Open the Tools menu and choose Cookie Manager.</li>
+ <li>Choose Manage Stored Cookies from the submenu. The Cookie Manager window
+ opens with a list of all the cookies stored on your computer.</li>
+ <li>Select one or more cookies and click Remove Cookie, or click Remove All
+ Cookies.</li>
+</ol>
+
+<p>Even though you&apos;ve removed the cookies now, you will reacquire those
+ same cookies the next time you return to the website.</p>
+
+<p>To prevent that from happening, select the checkbox labeled <q>Don&apos;t
+ allow websites that set removed cookies to set future cookies</q>. When this
+ checkbox is selected, websites for the cookies that you are removing are
+ added to the list of websites whose cookies will automatically be rejected.</p>
+
+<p>You must click OK for your changes to take effect.</p>
+
+<p>[<a href="#using_the_cookie_manager">Return to beginning of section</a>]</p>
+
+<h1 id="cookie_manager_settings">Cookie Manager Settings</h1>
+
+<p>This section describes how to set your Cookies preferences and control other
+ aspects of cookie handling.</p>
+
+<p>For step-by-step descriptions of various tasks related to cookies, see
+ <a href="#using_the_cookie_manager">Using the Cookie Manager</a>.</p>
+
+<div class="contentsBox">In this section:
+ <ul>
+ <li><a href="#cookies">Privacy &amp; Security Preferences -
+ Cookies</a></li>
+ <li><a href="#stored_cookies">Stored Cookies</a></li>
+ <li><a href="#cookie_sites">Cookie Websites</a></li>
+ </ul>
+</div>
+
+<h2 id="cookies">Privacy &amp; Security Preferences - Cookies</h2>
+
+<p>This section describes how to use the Cookies preferences panel to change
+ which cookies &brandShortName; will accept from and return to websites. If
+ you&apos;re not already viewing it, follow these steps:</p>
+
+<ol>
+ <li>Open the <span class="mac">&brandShortName;</span>
+ <span class="noMac">Edit</span> menu and choose Preferences.</li>
+ <li>Under the Privacy &amp; Security category, click Cookies. (If no
+ subcategories are visible, double-click Privacy &amp; Security to expand
+ the list.)</li>
+</ol>
+
+<p>Cookies help websites keep track of information for you, such as the
+ contents of your on-line shopping cart or which cities&apos; weather you want
+ to know about. For a brief overview, see
+ <a href="privacy_help.xhtml#what_are_cookies_and_how_do_they_work">What Are
+ Cookies and How Do They Work?</a></p>
+
+<p>You can select one of these options:</p>
+
+<ul>
+ <li><strong>Block cookies</strong>: Select this option to refuse all
+ cookies from websites not explicitly allowed to set cookies.</li>
+ <li><strong>Allow cookies for the originating website only</strong>: Select
+ this option if you don&apos;t want to accept or return
+ <a href="privacy_help.xhtml#what_are_third-party_cookies">third-party
+ (foreign) cookies</a> for any websites other than the one you are actively
+ visiting.</li>
+ <li><strong>Allow third-party cookies for previously visited websites
+ only</strong>: Select this option if you want to accept or return
+ <a href="privacy_help.xhtml#what_are_third-party_cookies">third-party
+ cookies</a> only for websites that stored cookies when you explicitly
+ visited them previously.</li>
+ <li><strong>Allow all cookies</strong>: Select this option to permit all
+ websites not explicitly blocked to set cookies on your computer.</li>
+</ul>
+
+<p><strong>Note</strong>: Blocking cookies does not remove old cookies. By
+ blocking cookies you only block websites from setting new cookies, and old
+ cookies will still be sent to websites. To completely block a website from
+ receiving old cookies, you need to <a href="#removing_cookies">remove its
+ cookies</a>.
+</p>
+
+<p><strong>Note</strong>: <a href="#cookie_sites">Per-website cookie permission</a>
+ supersedes default cookie setting. For example, if you allow a website to set
+ cookies, the website can set cookies even if you choose <q>Block cookies</q>.
+</p>
+
+<p>If you allow cookies or do not change the default setting, you can also
+ select the following preferences:</p>
+
+<ul>
+ <li><strong>Accept cookies normally</strong>: Select this
+ if you want websites to set or modify cookies without restrictions.</li>
+ <li><strong>Accept for current session only</strong>: Select this to delete
+ the cookie the next time you exit your browser.</li>
+ <li><strong>Accept cookies for [__] days</strong>: Select this if you
+ want to limit the length of time any cookie can remain on your computer,
+ then type the number of days.</li>
+</ul>
+
+<p>You can also get more information about your stored cookies:</p>
+
+<ul>
+ <li><strong>Cookie Manager</strong>: Click this button to view
+ information about the cookies currently stored on your computer and which
+ websites are allowed to set them.</li>
+</ul>
+
+<h2 id="stored_cookies">Stored Cookies</h2>
+
+<p>This section describes how to use the Stored Cookies tab of the Cookie
+ Manager. If you&apos;re not already viewing it, follow these steps:</p>
+
+<ol>
+ <li>Open the Tools menu and choose Cookie Manager.</li>
+ <li>Choose Manage Stored Cookies from the submenu. The Cookie Manager window
+ opens with a list of all the cookies stored on your computer.</li>
+</ol>
+
+<p>The Stored Cookies tab lists all the cookies stored on your computer, the
+ websites they belong to, and their current status.</p>
+
+<p>When you select a cookie in this list, the following information about that
+ cookie appears in the bottom portion of the tab:</p>
+
+<table class="defaultTable">
+ <thead>
+ <tr>
+ <th>Item</th>
+ <th>Explanation</th>
+ </tr>
+ </thead>
+ <tbody class="tbody-default">
+ <tr>
+ <td>Name</td>
+ <td>The name assigned to the cookie by its originator.</td>
+ </tr>
+ <tr>
+ <td>Information</td>
+ <td>A string of characters containing the information a website tracks
+ for you. It might contain a user key or name by which you are
+ identified to the website, information about your interests, and so
+ forth.</td>
+ </tr>
+ <tr>
+ <td>Host or domain</td>
+ <td>Provides the name of the cookie&apos;s host or domain.
+
+ <p>A <strong>host</strong> cookie is sent back, during subsequent
+ visits, only to the <a href="glossary.xhtml#server">server</a> that
+ set it.</p>
+
+ <p>A <strong>domain</strong> cookie is sent back to any website
+ that&apos;s in the same domain as the website that set it. A
+ website&apos;s domain is the part of its URL that contains the name of
+ an organization, business, or school&mdash;such as netscape.com or
+ washington.org.</p>
+ </td>
+ </tr>
+ <tr>
+ <td>Path</td>
+ <td>The file pathway. This is provided only if the cookie should be sent
+ back to all URLs that are on that path or lower. For example,
+ <tt>http://a.b/x/y/z.html</tt> means that the cookie can also be set
+ for path <tt>x/</tt>.</td>
+ </tr>
+ <tr>
+ <td>Send For</td>
+ <td>When this field is <q>For encrypted connections only</q> it means
+ that the browser checks the connection whenever the server asks for a
+ cookie and will not send it unless the connection is encrypted
+ (HTTPS).</td>
+ </tr>
+ <tr>
+ <td>Expires</td>
+ <td>The date and time at which the cookie will be deactivated. The
+ browser regularly removes expired cookies from your computer.</td>
+ </tr>
+ </tbody>
+</table>
+
+<p>To remove cookies, click one of these buttons:</p>
+
+<ul>
+ <li><strong>Remove Cookie</strong>: Removes the selected cookie or cookies
+ from the list.</li>
+ <li><strong>Remove All Cookies</strong>: Removes all cookies from the
+ list.</li>
+</ul>
+
+<p>Select this checkbox to prevent the cookies you remove from being added back
+ into the list later:</p>
+
+<ul>
+ <li><strong>Don&apos;t allow websites that set removed cookies to set future
+ cookies</strong></li>
+</ul>
+
+<p>Even if you remove cookies now, you will reacquire those same cookies the
+ next time you return to the website. To prevent that from happening, select
+ this checkbox. When this checkbox is selected, websites for the cookies that
+ you are removing are added to the list of websites whose cookies will
+ automatically be rejected.</p>
+
+<p>You must click Close for your changes to take effect.</p>
+
+<h2 id="cookie_sites">Cookie Websites</h2>
+
+<p>This section describes how to use the Cookie Websites tab of the Cookie
+ Manager. If you&apos;re not already viewing it, follow these steps:</p>
+
+<ol>
+ <li>Open the Tools menu and choose Cookie Manager.</li>
+ <li>Choose Manage Stored Cookies from the submenu. The Cookie Manager window
+ opens with a list of all the cookies stored on your computer.</li>
+ <li>Click the Cookie Websites tab.</li>
+</ol>
+
+<p>The Cookie Websites tab of the Cookie Manager lists the websites for which
+ your decisions have been remembered, and what your decisions were. It also
+ allows you to add and remove websites from the list.</p>
+
+<h3 id="add_cookie_sites">Adding Cookie Websites</h3>
+
+<p>To add cookies websites manually:</p>
+
+<ul>
+ <li>Enter the website address, e.g. <tt>www.mozilla.org</tt></li>
+ <li>Set the website cookie permission:
+ <ul>
+ <li><strong>Block</strong>: Click this button to add the website as a
+ website blocked from setting cookies.</li>
+ <li><strong>Session</strong>: Click this button to add the website as a
+ website that can set session cookies. Persistent cookies from this
+ website will be downgraded to session cookies.</li>
+ <li><strong>Allow</strong>: Click this button to add the website as a
+ website that can set cookies.</li>
+ </ul>
+ </li>
+ <li>Repeat the steps to add additional websites.</li>
+</ul>
+
+<h3 id="remove_cookie_sites">Removing Cookie Websites</h3>
+
+<p>To remove a cookie website:</p>
+
+<ul>
+ <li><strong>Remove Website</strong>: Removes the selected website or websites
+ from the list.</li>
+ <li><strong>Remove All Websites</strong>: Removes all websites from the list.</li>
+</ul>
+
+<p>Once you&apos;ve removed a website from this list, Cookie Manager remembers
+ nothing about it.</p>
+
+<h1 id="using_the_password_manager">Using the Password Manager</h1>
+
+<p>Many websites require you to type a user name and password before you can
+ enter the website. For instance, personalized pages and websites containing
+ your financial information usually require you to log in.</p>
+
+<p>The user name and password you use at a particular website can be read by the
+ site&apos;s administrator. Potentially, that person could then attempt to log
+ into other websites where you may have used the same user name and password.
+ If this concerns you, you may wish to use a different password at every
+ website with which you register.</p>
+
+<p>Password Manager can help you remember some or all of your names and
+ passwords by storing them on your computer&apos;s hard disk, and entering
+ them for you automatically when you visit such websites.</p>
+
+<div class="contentsBox">In this section:
+ <ul>
+ <li><a href=
+ "#using_password_manager_to_remember_user_names_and_passwords">Using
+ Password Manager to Remember User Names and Passwords</a></li>
+ <li><a href="#entering_user_names_and_passwords_automatically">Entering
+ User Names and Passwords Automatically</a></li>
+ <li><a href="#turning_password_manager_on_and_off">Turning Password Manager
+ On and Off</a></li>
+ <li><a href="#viewing_and_managing_stored_passwords">Viewing and Managing
+ Stored Passwords</a></li>
+ <li><a href="passwords_help.xhtml">Password Settings</a></li>
+ </ul>
+</div>
+
+<h2 id="using_password_manager_to_remember_user_names_and_passwords">Using
+ Password Manager to Remember User Names and Passwords</h2>
+
+<p>When Password Manager is active (as it is by default), it gives you an
+ opportunity to save user names and passwords on your hard drive that you
+ enter while using the Internet.</p>
+
+<p>For example, after you log onto a website from a page that requests a user
+ name and password, a dialog box appears asking, <q>Do you want Password
+ Manager to remember this logon?</q> When you see this dialog box, you can
+ click one of the following buttons:</p>
+
+<ul>
+ <li><strong>Yes</strong>: The next time you return to the website you&apos;ll
+ see that your user name and password are already filled in. All you have to
+ do is click the Login button (or equivalent) to send them to the
+ server.</li>
+ <li><strong>Never for this site</strong>: Password Manager will not ask in
+ the future if you want to save your user name and password for that
+ website.</li>
+ <li><strong>No</strong>: Password Manager won&apos;t remember the user name
+ and password, but will ask again the next time you visit the website.</li>
+</ul>
+
+<p>Similarly, when you log onto an email account or an FTP site, or perform any
+ other action that requires the browser itself to display a special dialog box
+ for your login information, you can select this option in the dialog box:</p>
+
+<ul>
+ <li><strong>Use Password Manager to remember these values</strong></li>
+</ul>
+
+<p>The next time you check your email or perform other tasks that require a
+ password only, the password will be submitted directly without any further
+ action on your part. For tasks that require you to enter both a user name and
+ password, you need to click a Login button or equivalent after Password
+ Manager fills in the information.</p>
+
+<p>Password Manager saves your user names and passwords on your own computer in
+ a file that&apos;s difficult, but not impossible, for an intruder to read.
+ See <a href="#encrypting_stored_sensitive_information">Encrypting Stored
+ Sensitive Information</a> for information on protecting your stored user
+ names and passwords with encryption technology.</p>
+
+<p>If the Password Manager dialog box described above does not appear when you
+ click Submit after typing your user name and password, Password Manager may
+ be turned off or the website may disallow its use.</p>
+
+<p>To check whether Password Manager is currently active, see
+ <a href="#turning_password_manager_on_and_off">Turning Password Manager On
+ and Off</a>.</p>
+
+<p>[<a href="#using_the_password_manager">Return to beginning of
+ section</a>]</p>
+
+<h2 id="entering_user_names_and_passwords_automatically">Entering User Names
+ and Passwords Automatically</h2>
+
+<p>There are two different ways that Password Manager can fill in user names
+ and passwords on your behalf:</p>
+
+<ul>
+ <li>You use Password Manager to remember your user name and password for a
+ website (using the three-button dialog box described in
+ <a href=
+ "#using_password_manager_to_remember_user_names_and_passwords">Using
+ Password Manager to Remember User Names and Passwords</a>).
+
+ <p>The next time you visit the website, Password Manager automatically fills
+ in your user name and password on the website&apos;s log in page. You can
+ then click the Login button, or equivalent, to send the information to
+ the server.</p>
+ </li>
+ <li>You use Password Manager to remember your user name and password for an
+ email account, an FTP site, or in any other situation where you type login
+ information in a dialog box that displays a checkbox labeled <q>Use
+ Password Manager to remember these values</q>.
+
+ <p>In most cases, the next time you attempt to access that server, Password
+ Manager automatically fills in your user name and password in the same
+ dialog box. You can then click OK to send the information to the
+ server.</p>
+
+ <p>In some cases, such as when you open your email account,
+ &brandShortName; needs to send only the password to the server, and does
+ so immediately without displaying the dialog box or requiring any further
+ action on your part.</p>
+ </li>
+</ul>
+
+<p>[<a href="#using_the_password_manager">Return to beginning of
+ section</a>]</p>
+
+<h2 id="turning_password_manager_on_and_off">Turning Password Manager On and
+ Off</h2>
+
+<p>Password Manager is on by default. To turn it off:</p>
+
+<ol>
+ <li>Open the <span class="mac">&brandShortName;</span>
+ <span class="noMac">Edit</span> menu and choose Preferences.</li>
+ <li>Under the Privacy &amp; Security category, click Passwords. (If no
+ subcategories are visible, double-click Privacy &amp; Security to expand
+ the list.)</li>
+ <li>In the Password Manager section, deselect <q>Remember passwords</q>
+ to turn Password Manager off.</li>
+</ol>
+
+<p>To turn Password Manager on, follow steps 1 and 2 above, but select the
+ checkbox in step 3 rather than deselecting it.</p>
+
+<p>[<a href="#using_the_password_manager">Return to beginning of
+ section</a>]</p>
+
+<h2 id="viewing_and_managing_stored_passwords">Viewing and Managing Stored
+ Passwords</h2>
+
+<p>To see the user names and passwords you have stored and to display a list of
+ websites from which logon information never is saved:</p>
+
+<ul>
+ <li>Open the Tools menu, choose Password Manager, and then choose Manage
+ Stored Passwords from the submenu. You see the Password Manager window with
+ the Passwords Saved tab opened.
+ <ul>
+ <li>To see your saved passwords, click Show Passwords and confirm your
+ choice.</li>
+ <li>To hide your passwords, click Hide Passwords.</li>
+ <li>To remove an entry from the list, click it and then click Remove. The
+ next time you visit the website, you will need to enter your user name
+ and password again, since Password Manager will no longer have the
+ information.</li>
+ </ul>
+ Click the Passwords Never Saved tab to see a list of the websites for which
+ you instructed Password Manager never to store user names and passwords. To
+ remove a website from this list, click it and then click Remove. The next
+ time you log into the website, you can use the stored user name and
+ password (if available) or indicate that you want Password Manager to save
+ the information for that website.</li>
+</ul>
+
+<p>[<a href="#using_the_password_manager">Return to beginning of
+ section</a>]</p>
+
+<h1 id="clearing_private_data">Clearing Private Data</h1>
+
+<p>While browsing the web, various items of potentially private information
+ may be gathered and stored by &brandShortName;. This section describes the
+ types of such private data and options to remove them either manually by
+ request or automatically when shutting down &brandShortName;.</p>
+
+<div class="contentsBox">In this section:
+ <ul>
+ <li><a href="#types_of_private_data">Types of Private Data</a></li>
+ <li><a href="#private_data_prefs">Private Data Preferences</a></li>
+ <li><a href="#clear_private_data_now">Clear Private Data Now</a></li>
+ </ul>
+</div>
+
+<h2 id="types_of_private_data">Types of Private Data</h2>
+
+<p>Several types of information are gathered and kept by &brandShortName; while
+ you are browsing websites. Some of these data are necessary for those sites to
+ function properly or more efficiently, others are for your convenience.</p>
+
+<p>Privacy implications vary from type to type. For example, browsing history
+ and cache contents provide a snapshot of your recent browsing activity which
+ is local to your computer; cookies or offline web content may be used by a
+ website to track a user directly across visits (e.g., for statistical
+ purposes or for targeted advertisements).</p>
+
+<p>In <a href="#browsing_in_a_private_window">private browsing mode</a>, no
+ private data will be retained beyond the duration of the private session.</p>
+
+<p>The following private information may be stored locally by
+ &brandShortName;:</p>
+
+<table class="defaultTable">
+ <thead>
+ <tr>
+ <th>Type</th>
+ <th>Explanation</th>
+ </tr>
+ </thead>
+ <tbody class="tbody-default">
+ <tr>
+ <td>Browsing History</td>
+ <td>If enabled in the
+ <a href="cs_nav_prefs_navigator.xhtml#history">History preferences</a>,
+ a history of any website pages you have <em>visited</em> is kept and
+ may be suggested to complete website addresses in the location bar.</td>
+ </tr>
+ <tr>
+ <td>Location Bar History</td>
+ <td>This is a history of web addresses which were <em>entered</em>
+ manually or copy-pasted into the location bar of the browser. This
+ list is available in the location bar menu.</td>
+ </tr>
+ <tr>
+ <td>Download History</td>
+ <td>Depending on the options selected in the
+ <a href="cs_nav_prefs_navigator.xhtml#downloads">Downloads
+ preferences</a>, a history of <em>files downloaded</em> from
+ websites is maintained in the Download Manager.</td>
+ </tr>
+ <tr>
+ <td>Saved Form and Search History</td>
+ <td>If enabled in the
+ <a href="cs_nav_prefs_navigator.xhtml#history">History preferences</a>,
+ text entered into <em>elements of forms</em> (e.g., user names, but not
+ passwords) will be stored for the specified number of days; matches are
+ suggested in a list when you revisit that page. If you put the search
+ box onto your toolbar, the history of <em>search terms</em> will be
+ stored as well.</td>
+ </tr>
+ <tr>
+ <td>Cache</td>
+ <td>The cache is a <em>short-term store</em> for web pages and other
+ data (like e-mail attachments for IMAP accounts or remote images in
+ messages) to avoid having these items being requested again from the
+ server if they were just recently accessed. The cache on your disk
+ may contain data up to the limit specified in the
+ <a href="cs_nav_prefs_advanced.xhtml#cache">Cache preferences</a>.</td>
+ </tr>
+ <tr>
+ <td>Cookies</td>
+ <td>Cookies are <em>small pieces of information</em> that websites use to
+ keep track of users and sessions, or to store website preferences. Use
+ the <a href="using_priv_help.xhtml#cookies">Cookies preferences</a> to
+ specify to what extent cookies are permitted and for how long they are
+ kept.</td>
+ </tr>
+ <tr>
+ <td>Offline Website Data</td>
+ <td>Websites may be permitted to store their pages&apos; contents and
+ related data locally so that they are available for use <em>without
+ a network connection</em>. See the
+ <a href="cs_nav_prefs_advanced.xhtml#offline_apps">Offline Apps
+ preferences</a> for options to control this behavior and to inspect
+ the contents of stored offline website data.</td>
+ </tr>
+ <tr>
+ <td>Saved Passwords</td>
+ <td>If enabled in the
+ <a href="passwords_help.xhtml#passwords">Passwords preferences</a>,
+ &brandShortName; keeps <em>entered passwords</em> for later use, thus
+ you don&apos;t have to retype them every time you visit a website.</td>
+ </tr>
+ <tr>
+ <td>Authenticated Sessions</td>
+ <td>Websites may require <em>authentication</em> (username and password,
+ asked for with a pop-up dialog) and can keep track of such by
+ authenticated sessions. A site will ask you for your credentials
+ again when you proceed to the next page after this information is
+ cleared.</td>
+ </tr>
+ </tbody>
+</table>
+
+<p>[<a href="#clearing_private_data">Return to beginning of section</a>]</p>
+
+<h2 id="private_data_prefs">Privacy &amp; Security Preferences
+ - Private Data</h2>
+
+<p>This section describes how to use the Private Data preferences panel to
+ determine when and which type of private data should be deleted. If
+ you&apos;re not already viewing it, follow these steps:</p>
+
+<ol>
+ <li>Open the <span class="mac">&brandShortName;</span>
+ <span class="noMac">Edit</span> menu and choose Preferences.</li>
+ <li>Under the Privacy &amp; Security category, click Private Data. (If no
+ subcategories are visible, double-click Privacy &amp; Security to expand
+ the list.)</li>
+</ol>
+
+<p>The <strong>Clear Private Data</strong> section provides the following
+ options:</p>
+
+<ul>
+ <li><strong>Always clear my private data when I close
+ &brandShortName;</strong>: Check this option to always initiate clearing
+ of the selected private data when the application is shut down.</li>
+ <li><strong>Ask me before clearing private data</strong>: Check this option
+ for &brandShortName; to prompt you with a dialog box before clearing the
+ selected private data. The dialog box also allows you to change the
+ selection, rather than clearing them without any interaction.</li>
+ <li><strong>When I ask &brandShortName; to clear my private data, it should
+ erase</strong>: For each <a href="#types_of_private_data">type of private
+ data</a>, a separate option is provided whether or not to clear any
+ stored items of this specific type. Check the respective box for each
+ item to be deleted by default when clearing is requested by you or
+ initiated on shutdown.</li>
+ <li><strong>Clear Now</strong>: Click this button to initiate clearing of
+ private data immediately, depending on the preferences selected in
+ this panel:
+ <ul>
+ <li>When the <q>Ask me before clearing private data</q> option is checked,
+ &brandShortName; opens a dialog box where you can confirm and change
+ any items to be cleared.</li>
+ <li>When <q>Ask me before clearing private data</q> is <em>not</em>
+ checked, all types selected to be cleared by default will be deleted
+ immediately without the dialog box being shown.</li>
+ </ul>
+ </li>
+</ul>
+
+<!-- link up "Data Manager" below once bug 599097 has been taken care of -->
+
+<p><strong>Note</strong>: Also consider more selective alternatives to delete
+ private data. For example, the individual preference panels for each type may
+ provide additional options, and the Data Manager allows to clear private data
+ by type and the specific domain of a website. Rather than clearing all cookies
+ when shutting down &brandShortName;, you could specify to allow cookies for
+ sessions only, thus giving you the opportunity to establish exceptions for
+ selected websites for which you want to retain cookies.</p>
+
+<p>[<a href="#clearing_private_data">Return to beginning of section</a>]</p>
+
+<h2 id="clear_private_data_now">Clear Private Data Now</h2>
+
+<p>Private data can be cleared at any time, either from the
+ <a href="#private_data_prefs">Private Data preferences</a> by clicking
+ the Clear Now button, or by selecting Clear Private Data from the Tools
+ menu of a browser window. This initiates one of the following actions:</p>
+
+<ul>
+ <li>When the <q>Ask me before clearing private data</q> option is checked
+ in the <a href="#private_data_prefs">Private Data preference panel</a>,
+ &brandShortName; opens a dialog window where you can confirm and change
+ the <a href="#types_of_private_data">types of private data</a> to be
+ cleared as follows:
+ <ul>
+ <li>The defaults for the individual types are determined by the
+ <a href="#private_data_prefs">Private Data preferences</a>.
+ Note that individual boxes may be disabled if no items of that
+ type are available for deletion.</li>
+ <li>Check or uncheck boxes as desired if you want to clear a different
+ set of private data.</li>
+ <li>Click <q>Clear Private Data Now</q> to clear the selected items,
+ or Cancel to quit the dialog.</li>
+ </ul>
+ </li>
+ <li>When <q>Ask me before clearing private data</q> is <em>not</em> checked,
+ all types selected in the <a href="#private_data_prefs">Private Data
+ preferences</a> to be cleared by default will be deleted immediately
+ without the dialog box being shown.</li>
+</ul>
+
+<p>[<a href="#clearing_private_data">Return to beginning of section</a>]</p>
+
+<h1 id="browsing_in_a_private_window">Browsing in a Private Window</h1>
+
+<p>There may be occasions where you don&apos;t want &brandShortName; to keep
+ track of your browsing activities. For example, when someone else quickly
+ wants to use your computer and you don&apos;t want your current browsing
+ context disturbed; or, for confidential tasks such as online banking.</p>
+
+<p>Opening a private window starts a
+ <a href="glossary.xhtml#private_browsing">private browsing</a> session
+ in which no <a href="#types_of_private_data">private data</a> on the sites
+ and pages you visit are made available beyond the scope and duration of that
+ session. Each subsequently opened private window becomes part of the same
+ private session. It ends when the last private window is closed.</p>
+
+<p>Private windows are not entirely isolated from non-private windows; private
+ browsing just implies that &brandShortName; will not keep any local record
+ of your activities in such a window. Some private data may be shared between
+ private but not non-private windows and vice versa, others accessed in a
+ read-only mode from a private window.</p>
+
+<p>Note that <a href="customize_help.xhtml#add-ons">Add-ons</a> like plugins
+ and extensions may not be subjected to these policies and may change their
+ settings or modify their locally kept data even in a private window.</p>
+
+<div class="contentsBox">In this section:
+ <ul>
+ <li><a href="#opening_a_private_window">Opening a Private Window</a></li>
+ <li><a href="#behavior_of_a_private_window">Behavior of a Private
+ Window</a></li>
+ <li><a href="#leaving_the_private_browsing_mode">Leaving the Private
+ Browsing Mode</a></li>
+ </ul>
+</div>
+
+<h2 id="opening_a_private_window">Opening a Private Window</h2>
+
+<p>A browser window can be either in regular (non-private) or in private
+ browsing mode. It is not possible to switch a non-private browser window
+ into private mode, but you can open a new private window in two ways:</p>
+
+<ul>
+ <li>From a browser window, open the File menu, choose New, then Private
+ Window. The new window opens with a page explaining that you are now in
+ private browsing mode.</li>
+ <li>Right-click on a link in a web page you are viewing, then select <q>Open
+ Link in Private Window</q> from the menu. The new private window will open,
+ showing the page referred to by the selected link.</li>
+</ul>
+
+<p>Any number of private and non-private windows can be open at the same time,
+ but be aware in this case for which windows history information is kept.</p>
+
+<p>[<a href="#browsing_in_a_private_window">Return to beginning of
+ section</a>]</p>
+
+<h2 id="behavior_of_a_private_window">Behavior of a Private Window</h2>
+
+<p>A private window behaves differently than a non-private window in the way
+ it handles private data (see <a href="#types_of_private_data">Types of
+ Private Data</a> for detailed information of the individual categories).
+ Specifically, after closing a private session when closing the last private
+ window, no information related to that session will be retained in
+ &brandShortName;. Private data gathered in one private session won&apos;t
+ be available to any future private session either.</p>
+
+<h3>Recognizing a Private Window</h3>
+
+<p>To determine whether or not a window is in private browsing mode, have a
+ look at its title bar. Private windows show
+ <q>-&nbsp;<span class="noMac">&brandShortName; </span>Private Browsing</q>
+ <span class="noMac">rather than just <q>-&nbsp;&brandShortName;</q></span>
+ at the end of the window&apos;s title.</p>
+
+<h3>Navigation and Bookmarks</h3>
+
+<ul>
+ <li>Navigating within a private window is identical to a non-private
+ window. You can use the Back and Forward buttons as well as the Go
+ menu as usual.</li>
+ <li>Links will not be marked as visited when browsing in a private
+ window.</li>
+ <li>Bookmarks can be added in a private window in the same way as for a
+ non-private window. They will not be cleared once the private session
+ has ended.</li>
+</ul>
+
+<h3>Browsing and other Histories</h3>
+
+<ul>
+ <li>Previously established Browsing History and Location Bar History will
+ be available to a private window, but new sites visited and locations
+ entered into the location bar will not be recorded and saved.</li>
+ <li>Files can be downloaded as usual, but no entries will be added to the
+ Download Manager. The downloaded files themselves will not be removed.</li>
+ <li>Saved Form and Search History will be available to a private window,
+ thus providing suggestions for form fields or searches. However, any
+ new items or search terms entered will not be recorded and saved.</li>
+</ul>
+
+<h3>Cookies</h3>
+
+<ul>
+ <li>A private window can collect cookies from the sites it visits, but a
+ private window does not share cookies with a non-private window and vice
+ versa. For example, if you log into a website in a regular window, then
+ open a private window to continue, you likely will be asked to enter your
+ credentials again.</li>
+ <li>Cookies in a private session are accepted according to the settings,
+ but only retained for the duration of that session regardless of the
+ lifetime allowed in a non-private window.</li>
+ <li>Existing exceptions to the cookie policy will be honored in private
+ windows, and any new exceptions you create will be retained after the
+ private session has ended.</li>
+</ul>
+
+<h3>Cached and Offline Content</h3>
+
+<ul>
+ <li>While a private window can use the memory cache for performance, it is
+ not permitted to access the disk cache regardless of the settings for a
+ non-private window. Thus, no cached content will be available after
+ restarting &brandShortName;.</li>
+ <li>A private window cannot use any stored offline content deposited by
+ websites. Thus, you will not be able to use web applications while being
+ offline, even if they have already stored offline content locally.</li>
+</ul>
+
+<h3>Passwords and Authenticated Sessions</h3>
+
+<ul>
+ <li>No new passwords will be stored in the Password Manager when entered
+ in a private window.</li>
+ <li>Authenticated sessions do not carry over from a non-private to a private
+ window. Thus, you cannot continue a session started in a non-private window
+ in a private window or vice versa.</li>
+</ul>
+
+<h3>Preferences and Permissions</h3>
+
+<ul>
+ <li>Any changes to settings and permissions made from a private window are
+ handled in the same way as from a non-private window and retained after
+ the private session has ended.</li>
+ <li>Per-site preferences such as zoom levels or download locations are
+ observed in a private window. However, any changes you make will not be
+ retained, e.g., zoom levels revert to the initial value when navigating
+ or switching tabs.</li>
+</ul>
+
+<p>[<a href="#browsing_in_a_private_window">Return to beginning of
+ section</a>]</p>
+
+<h2 id="leaving_the_private_browsing_mode">Leaving the Private Browsing
+ Mode</h2>
+
+<p>There is no special function or command to leave the private mode,
+ and it is not possible to continue working in non-private mode with
+ a private window.</p>
+
+<p>To end a private browsing session, just close all private windows.
+ There will be no record on &brandShortName;&apos;s side on any browsing
+ activities performed in any of the associated private windows.</p>
+
+<p>[<a href="#browsing_in_a_private_window">Return to beginning of
+ section</a>]</p>
+
+<h1 id="encrypting_stored_sensitive_information">Encrypting Stored Sensitive
+ Information</h1>
+
+<p>If you use Password Manager to save passwords, then this sensitive
+ information is stored on your computer in a file that&apos;s difficult, but
+ not impossible, for an intruder to read.</p>
+
+<p>For example, if your computer is in an area where unauthorized people have
+ access to it, it&apos;s possible for a determined person to read the file
+ containing your sensitive information.</p>
+
+<p>For a greater degree of security, you may want to protect the file with
+ encryption. Encryption makes it much harder for an unauthorized person to
+ view your stored sensitive information.</p>
+
+<p>Your decision about whether to use encryption for stored sensitive data is a
+ tradeoff between improved security and convenience.</p>
+
+<p>If you use encryption, you will need to enter a master password
+ periodically, which can be inconvenient. If you don&apos;t, it may be easier
+ for a stranger who has access to your computer to steal your passwords.</p>
+
+<div class="contentsBox">In this section:
+ <ul>
+ <li><a href="#setting_a_master_password">Setting a Master Password</a></li>
+ <li><a href="#changing_your_master_password">Changing Your Master
+ Password</a></li>
+ <li><a href="#logging_out_of_your_master_password">Logging Out of Your
+ Master Password</a></li>
+ <li><a href="#what_to_do_if_you_forget_your_master_password">What to Do If
+ You Forget Your Master Password</a></li>
+ </ul>
+</div>
+
+<h2 id="setting_a_master_password">Setting a Master Password</h2>
+
+<p>To enable encryption of passwords you need to set a master password. If
+ your master password has not previously been set, you can set it at this
+ time:</p>
+
+<ol>
+ <li>Open the <span class="mac">&brandShortName;</span>
+ <span class="noMac">Edit</span> menu and choose Preferences.</li>
+ <li>Under the Privacy &amp; Security category, click Master Passwords. (If no
+ subcategories are visible, double-click Privacy &amp; Security to expand
+ the list.)</li>
+ <li>In the Change Master Password section, click Change Password to open the
+ Change Master Password dialog box.</li>
+ <li>Enter your desired master password, and retype it to confirm the
+ spelling.</li>
+ <li>Click OK.</li>
+</ol>
+
+<p>Make sure your new password is difficult to guess. For some suggestions on
+ how to improve password security, see
+ <a href="passwords_help.xhtml#choosing_a_good_password">Choosing a Good
+ Password</a>.</p>
+
+<p>[<a href="#encrypting_stored_sensitive_information">Return to beginning of
+ section</a>]</p>
+
+<h2 id="changing_your_master_password">Changing Your Master Password</h2>
+
+<p>To change your master password:</p>
+
+<ol>
+ <li>Open the <span class="mac">&brandShortName;</span>
+ <span class="noMac">Edit</span> menu and choose Preferences.</li>
+ <li>Under the Privacy &amp; Security category, click Master Passwords. (If no
+ subcategories are visible, double-click Privacy &amp; Security to expand
+ the list.)</li>
+ <li>In the Change Master Password section, click Change Password to open the
+ Change Master Password dialog box.</li>
+ <li>Enter your current master password.</li>
+ <li>Enter your new master password, and retype it to confirm the
+ spelling.</li>
+ <li>Click OK.</li>
+</ol>
+
+<p>Make sure your new password is difficult to guess. For some guidelines, see
+ <a href="passwords_help.xhtml#choosing_a_good_password">Choosing a Good
+ Password</a>.</p>
+
+<p>[<a href="#encrypting_stored_sensitive_information">Return to beginning of
+ section</a>]</p>
+
+<h2 id="logging_out_of_your_master_password">Logging Out of Your Master
+ Password</h2>
+
+<p>Normally, you are asked for your master password once during each
+ &brandShortName; session during which you access any of your stored sensitive
+ information.</p>
+
+<p>It&apos;s also possible to require that your master password be requested
+ each time it is needed, or after a certain amount of time has passed. For
+ details, see <a href="passwords_help.xhtml#master_password_timeout">Master
+ Password Timeout</a>.</p>
+
+<p>You can log out of your master password so that it must be entered again
+ before any sensitive information can be stored or retrieved. This is useful
+ if you are going to leave your computer unattended for a period of time.</p>
+
+<p>To log out of your master password:</p>
+
+<ol>
+ <li>Open the Tools menu and choose Password Manager.</li>
+ <li>Select Log Out from the submenu.</li>
+</ol>
+
+<p>[<a href="#encrypting_stored_sensitive_information">Return to beginning of
+ section</a>]</p>
+
+<h2 id="what_to_do_if_you_forget_your_master_password">What to Do If You Forget
+ Your Master Password</h2>
+
+<p>If you forget your master password, you won&apos;t be able to access any of
+ the stored password it protects. Your master password is your most important
+ password. Make sure you remember it or record it in a safe place.</p>
+
+<p>As a last resort, it&apos;s possible to reset your master password if you
+ are sure you can&apos;t remember it. However, resetting your master password
+ permanently erases all the web and email passwords, saved on your behalf by
+ Password Manager. You will also lose all your personal certificates
+ associated with the
+ <a href="glossary.xhtml#software_security_device">Software Security
+ Device</a>.</p>
+
+<p>Before taking this drastic step, read
+ <a href="passwords_help.xhtml#reset_master_password">Reset Master
+ Password</a>.</p>
+
+<p>If you are sure you can&apos;t remember or retrieve your master password,
+ follow these instructions to reset it:</p>
+
+<ol>
+ <li>Open the <span class="mac">&brandShortName;</span>
+ <span class="noMac">Edit</span> menu and choose Preferences.</li>
+ <li>Under the Privacy &amp; Security category, click Master Passwords. (If no
+ subcategories are visible, double-click Privacy &amp; Security to expand
+ the list.)</li>
+ <li>Click Reset Master Password.</li>
+ <li>In the Reset Master Password dialog box, click Reset.</li>
+</ol>
+
+<p>[<a href="#encrypting_stored_sensitive_information">Return to beginning of
+ section</a>]</p>
+
+<h1 id="managing_images">Managing Images</h1>
+
+<p>If you wish, you can choose not to download any images when you browse the
+ web. This greatly restricts what you can view online, but may be helpful if
+ you have a slow connection and wish to shorten the time it takes web pages to
+ load.</p>
+
+<p>You can also control how frequently animated images repeat their animation,
+ or turn off animation completely.</p>
+
+<p>The next section describes how to control these image settings. The default
+ settings allow all images to be accepted and allow them to repeat their
+ animation.</p>
+
+<h2 id="images">Privacy &amp; Security Preferences - Images</h2>
+
+<p>This section describes how to set preferences for images. To view the
+ preference settings for images:</p>
+
+<ol>
+ <li>Open the <span class="mac">&brandShortName;</span>
+ <span class="noMac">Edit</span> menu and choose Preferences.</li>
+ <li>Under the Privacy &amp; Security category, click Images. (If no
+ subcategories are visible, double-click Privacy &amp; Security to expand
+ the list.)</li>
+</ol>
+
+<h3 id="image_acceptance_policy">Image Acceptance Policy</h3>
+
+<p>Image Acceptance preferences allow you to control whether or under what
+ conditions the &brandShortName; browser should display images:</p>
+
+<ul>
+ <li><strong>Do not load any images</strong>: Select this option if you do not
+ want the &brandShortName; browser to display images.</li>
+ <li><strong>Only load images that come from the originating
+ server</strong>: Select this option if you do not want to load images from
+ third-party websites.</li>
+ <li><strong>Load all images</strong>: Select this option if you want to
+ display all images. (This option is selected by default.)</li>
+</ul>
+
+<h3>Animated images should loop</h3>
+
+<p>These settings control how many times animated images repeat their
+ animation:</p>
+
+<ul>
+ <li><strong>As many times as the image specifies</strong>: Select this if you
+ want image animation to repeat as many times as specified within each
+ image. (This option is selected by default.)</li>
+ <li><strong>Once</strong>: Select this if you want image animation to occur
+ once, overriding the number of times specified within each image.</li>
+ <li><strong>Never</strong>: Select this if you do not want image
+ animation.</li>
+</ul>
+
+</body>
+</html>