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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "DTD/xhtml1-transitional.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> <link rel="stylesheet" type="text/css" href="help.css"/> <meta name="section" content="Preferences"/> <link rel="contents" type="text/css" href="toc.html"/> <link rel="home" type="text/css" href="index.html"/> <link rel="glossary" href="glossary.html"/> <link rel="first" href="welcome.html"/> <link rel="previous" href="history.html"/> <link rel="next" href="security.html"/> <link rel="last" href="dialogs.html"/> <title>Preferences, Privacy</title> </head> <body> <h1 id="privacy">Privacy</h1> <p> These settings give you control over your privacy on the Internet. </p> <p> <span class="note">Tip:</span> Read Opera's tutorial for an excellent introduction to <a target="_blank" href="http://www.opera.com/support/tutorials/security/"> protecting your personal information and security</a> on the Internet. </p> <h2 id="privacy-referrer">Referrer logging</h2> <p> Some Web sites make a note of which page you came from, and behave accordingly. Turn referrer logging off if you do not want one site to know which other site you just came from. </p> <p> <span class="note">Note:</span> Some sites depend on referrer logging to work properly. </p> <h2 id="privacy-redirection">Automatic redirection</h2> <p> Some Web pages automatically redirect you to another page or site. Disable automatic redirection if you would rather have manual control by clicking redirection links. </p> <h2 id="privacy-trace">Caching password-protected pages</h2> <p> If you log in to use a Web site, the log-in page will always be deleted from Opera's cache when you exit. </p> <p> To make sure that Web pages you have visited within a password-protected site are also deleted, check the option to use cookies to trace password-protected pages. </p> <p> <span class="note">Note:</span> Checking this option will also prevent password-protected pages from appearing in your global history, and links to these pages will not be marked as visited. </p> <h2 id="privacy-cookie">General cookie handling</h2> <p> There are four overall ways of handling cookies: </p> <table class="nice"> <tr> <th>Option</th> <th>Explanation</th> </tr> <tr> <td>Automatically accept all cookies</td> <td>Accept cookies regardless of who sets them</td> </tr> <tr> <td>Accept only cookies from selected servers</td> <td>Create a list of servers to accept cookies from</td> </tr> <tr> <td>Display received cookies</td> <td>View each cookie before accepting or refusing</td> </tr> <tr> <td>Do not accept cookies</td> <td>Refuse all cookies without question</td> </tr> </table> <p> The choices below fine-tune cookie handling. They are applied in addition to, and therefore depend on, the selections you made above: </p> <table class="nice"> <tr> <th>Option</th> <th>Explanation</th> </tr> <tr> <td>Only accept cookies for the server</td> <td>Accept cookies set by current server to itself, e.g. <span class="url">server.example.org</span>, but refuse cookies intended for other servers within the same domain, e.g. <span class="url">otherservers.example.org</span>, in addition to refusing third-party cookies (see below)</td> </tr> <tr> <td>Do not accept third-party cookies</td> <td>Accept cookies from all servers within current domain, e.g. <span class="url">example.org</span>, but refuse cookies from another domain, e.g. <span class="url">example.com</span></td> </tr> <tr> <td>Display third-party cookies</td> <td>View cookies from other domains before accepting or refusing</td> </tr> <tr> <td>Accept from any servers</td> <td>Accept cookies set by any server in any domain</td> </tr> </table> <h2 id="privacy-filter">Cookie filter</h2> <p> You can handle cookies based on which site sets them, for example accepting cookies from <span class="url">trustable.example.org</span>, but refusing cookies from <span class="url">questionable.example.com</span>. </p> <ol> <li>Click <input type="button" class="button" value="Edit server filters"/></li> <li>Enter address to server</li> <li>Click drop-down button and select rule you wish to apply</li> <li>Click <input type="button" class="button" value="Add"/></li> </ol> <table class="nice"> <tr> <th>Option</th> <th>Explanation</th> </tr> <tr> <td>Accept from server</td> <td>Entering <span class="url">www.example.org</span> accepts cookies from <span class="url">www.example.org</span>, but not <span class="url">web.example.org</span></td> </tr> <tr> <td>Accept from domains</td> <td>Entering <span class="url">example.org</span> accepts cookies from both <span class="url">www.example.org</span> and <span class="url">web.example.org</span></td> </tr> <tr> <td>Accept third party from server</td> <td>Servers entered will be able to set third-party cookies</td> </tr> <tr> <td>Accept third party from domain</td> <td>All servers within domains entered will be able to set third-party cookies</td> </tr> <tr> <td>Allow illegal paths</td> <td>Control illegal usage of top level domains</td> </tr> </table> <p> <span class="note">Note:</span> The "Refuse" rules have exactly the opposite effect of the "Accept/Allow" rules, and are therefore not listed here. </p> <h2>Additional cookie options</h2> <table class="nice"> <tr> <th>Option</th> <th>Explanation</th> </tr> <tr> <td>Throw away new cookies on exit</td> <td>All new or updated cookies will be deleted when you exit Opera</td> </tr> <tr> <td>Display warning for illegal domains</td> <td>Opera warns you if server attempts to set cookie where domain does not correctly match server</td> </tr> <tr> <td>Display warning for illegal path</td> <td>Opera warns you if server attempts to set cookie where there is a path mismatch</td> </tr> </table> <p> <a target="_blank" href="http://www.opera.com/support/service/privacy/">Learn more about cookies</a> </p> <p class="copyright">Copyright © 1995 - 2003 Opera Software ASA. <span class="nowrap">All rights reserved.</span></p> </body> </html>