mirror of
https://github.com/rn10950/RetroZilla.git
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129 lines
5.0 KiB
HTML
129 lines
5.0 KiB
HTML
<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
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"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"[
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<!ENTITY % brandDTD SYSTEM "chrome://branding/locale/brand.dtd" >
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%brandDTD;
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]>
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<title>SSL Settings</title>
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<link rel="stylesheet" href="chrome://help/locale/helpFileLayout.css"
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type="text/css"/>
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</head>
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<body>
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<h1 id="ssl_settings">SSL Settings</h1>
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<p>This section describes how to set your SSL preferences.</p>
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<div class="contentsBox">In this section:
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<ul>
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<li><a href="#privacy_and_security_preferences_ssl">Privacy & Security
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Preferences - SSL</a></li>
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</ul>
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</div>
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<h2 id="privacy_and_security_preferences_ssl">Privacy & Security
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Preferences - SSL</h2>
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<p>This section describes how to use the SSL preferences panel. If you are not
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already viewing the panel, follow these steps:</p>
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<ol>
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<li>Open the <span class="mac">&brandShortName;</span>
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<span class="noMac">Edit</span> menu and choose Preferences.</li>
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<li>Under the Privacy & Security category, click SSL. (If no
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subcategories are visible, double-click Privacy & Security to expand
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the list.)</li>
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</ol>
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<h3 id="ssl_protocol_versions">SSL Protocol Versions</h3>
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<p>The Secure Sockets Layer (SSL) protocol defines rules governing mutual
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authentication between a web site and browser software and the encryption of
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information that flows between them. The Transport Layer Security (TLS)
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protocol is an IETF standard based on SSL. TLS 1.0 can be thought of as SSL
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3.1.</p>
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<p>You should normally leave these three checkboxes selected to ensure that
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both older and newer web servers can work with the browser:</p>
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<ul>
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<li><strong>Enable SSL version 3</strong>: Allows newer web servers to work
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with the browser.</li>
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<li><strong>Enable TLS</strong>: Allows web servers that support TLS to take
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advantage of it.</li>
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</ul>
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<p><strong>Important note regarding TLS</strong>: Some servers that do not
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implement SSL correctly cannot negotiate the SSL handshake with client
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software (such as the browser) that supports TLS. Such servers are known as
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<q>TLS intolerant</q>.</p>
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<p>When the Enable TLS option in the SSL preferences panel is selected, the
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browser attempts to use the TLS protocol when making secure connections with
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a server. If that connection fails because the server is TLS intolerant, the
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browser will fall back to using SSL 3.0.</p>
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<h3 id="ssl_warnings">SSL Warnings</h3>
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<p>It's easy to tell when the web site you are viewing is using an encrypted
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connection. If the connection is encrypted, the lock icon in the lower-right
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corner of the Navigator window is locked. If the connection is not encrypted,
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the lock icon is unlocked.</p>
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<p>If you want additional warnings, you can select one or more of the warning
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checkboxes in the SSL preferences panel. Some people find these warnings
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annoying.</p>
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<p>To activate any of these Navigator warnings, select the corresponding
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checkbox:</p>
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<ul>
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<li><strong>Loading a page that supports encryption</strong>: Select this
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warning if you want to be reminded whenever you are loading a page that
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supports encryption.</li>
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<li><strong>Loading a page that uses low-grade encryption</strong>: Select
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this warning if you want to be reminded whenever you are loading a page
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that supports low-grade encryption. (Low-grade encryption is the weakest
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encryption available, using 40-bit keys.)</li>
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<li><strong>Leaving a page that supports encryption</strong>: Select this
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warning if you want to be reminded whenever you are leaving a page that
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supports encryption for one that does not.</li>
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<li><strong>Sending form data from an unencrypted page to an unencrypted
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page</strong>: Select this warning if you want to be reminded whenever you
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are submitting data over an unencrypted connection. If you send unencrypted
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information over the Internet, it can easily be intercepted by other
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people.</li>
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<li><strong>Viewing a page with an encrypted/unencrypted mix</strong>:
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Select this warning if you want to be alerted whenever you are viewing a
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page that includes any information that's not encrypted.</li>
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</ul>
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<p>For short definitions, click
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<a href="glossary.xhtml#authentication">authentication</a>,
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<a href="glossary.xhtml#encryption">encryption</a>, or
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<a href="glossary.xhtml#certificate">certificate</a>.</p>
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<p>For more information about ciphers and encryption, see the following online
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documents:</p>
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<ul>
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<li>
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<a href="http://developer.mozilla.org/en/docs/Introduction_to_Public-Key_Cryptography">Introduction
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to Public-Key Cryptography</a></li>
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<li>
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<a href="http://developer.mozilla.org/en/docs/Introduction_to_SSL">Introduction
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to SSL</a></li>
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<li>
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<a href="http://www.mozilla.org/projects/security/pki/nss/nss-3.11/nss-3.11-algorithms.html">Encryption
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Technologies Available in NSS 3.11</a>.</li>
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</ul>
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<p>Copyright © 2003-2010 The Mozilla Foundation.</p>
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</body>
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</html>
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