david
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xowa
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<head>
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  <title>Options/Security - XOWA</title>
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<div id="content" class="mw-body">
  <h1 id="firstHeading" class="firstHeading"><span>Options/Security</span></h1>
  <div id="bodyContent" class="mw-body-content">
    <div id="siteSub">From XOWA: the free, open-source, offline wiki application</div>
    <div id="contentSub"></div>
    <div id="mw-content-text" lang="en" dir="ltr" class="mw-content-ltr">
    
    <div>
      <table>
        <tr>
          <td class='optionsButton'>
            <a class='optionsLink' href='/wiki/Options/Window'>Apps (basic)</a>
          </td>
          <td class='optionsButton active'>
            <a class='optionsLink' href='/wiki/Options/Security'>Apps (advanced)</a>
          </td>
          <td class='optionsButton'>
            <a class='optionsLink' href='/wiki/Options/Import'>Wiki</a>
          </td>
          <td class='optionsButton'>
            <a class='optionsLink' href='/wiki/Options/HTML'>HTML</a>
          </td>
          <td class='optionsButton'>
            <a class='optionsLink' href='/wiki/Options/Content_apps'>External apps</a>
          </td>
          <td class='optionsButton'>
            <a class='optionsLink' href='/wiki/Options/Search_suggest'>Modules</a>
          </td>
          <td class='optionsButton'>
            <a class='optionsLink' href='/wiki/Options/Math'>Extensions</a>
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          <td class='optionsButton'>
            <a class='optionsLink' href='/wiki/Options/Dev'>Misc</a>
          </td>
        </tr>
      </table>
    </div>
    <div class="tabs">
      <div>
        <ul class='tab-links' style='margin-left:0px;'>
          <li class='active'>
            <a href='/wiki/Options/Security'>Security</a>
          </li>
          <li class=''>
            <a href='/wiki/Options/Shortcuts'>Shortcuts</a>
          </li>
          <li class=''>
            <a href='/wiki/Options/Menus'>Menus</a>
          </li>
          <li class=''>
            <a href='/wiki/Options/Config_script'>Config script</a>
          </li>
        </ul>
      </div><br>
      <div class='tab-content'>
        <div id="toc" class="toc">
          <div id="toctitle">
            <h2>
              Contents
            </h2>
          </div>
          <ul>
            <li class="toclevel-1 tocsection-1">
              <a href="#Security"><span class="tocnumber">1</span> <span class="toctext">Security</span></a>
            </li>
            <li class="toclevel-1 tocsection-2">
              <a href="#Web"><span class="tocnumber">2</span> <span class="toctext">Web</span></a>
            </li>
            <li class="toclevel-1 tocsection-3">
              <a href="#Privacy"><span class="tocnumber">3</span> <span class="toctext">Privacy</span></a>
            </li>
            <li class="toclevel-1 tocsection-4">
              <a href="#Notes"><span class="tocnumber">4</span> <span class="toctext">Notes</span></a>
            </li>
          </ul>
        </div>
        <div style='float:right; margin-right:10px; margin-top:5px;'>
          <p>
            <a href="xowa-cmd:app.user.prefs.save();" accesskey='s'><img src='file:///C:/xowa/bin/any/xowa/file/app.window/save.png' width="16" height="16">Save</a>
          </p>
        </div><br>
         
        <h2>
          <span class="mw-headline" id="Security">Security</span>
        </h2>
        <table class='options_table'>
          <tr>
            <td class='options_row_label'>
              JavaScript enabled: <sup id="cite_ref-javascript_enabled_0-0" class="reference"><a href="#cite_note-javascript_enabled-0">[1]</a></sup>
            </td>
            <td>
              <input xowa_prop="app.gui.html.javascript_enabled" type="checkbox" class="options_checkbox" id='xowa_prop_0' checked='checked'>
            </td>
          </tr>
        </table>
        <h2>
          <span class="mw-headline" id="Web">Web</span>
        </h2>
        <table class='options_table'>
          <tr>
            <td class='options_row_label'>
              Web access enabled: <sup id="cite_ref-web_access_enabled_1-0" class="reference"><a href="#cite_note-web_access_enabled-1">[2]</a></sup>
            </td>
            <td>
              <input xowa_prop="app.user.cfg.security.web_access_enabled" type="checkbox" class="options_checkbox" id='xowa_prop_1' checked='checked'>
            </td>
          </tr>
        </table>
        <h2>
          <span class="mw-headline" id="Privacy">Privacy</span>
        </h2>
        <table class='options_table'>
          <tr>
            <td class='options_row_label'>
              Logs enabled: <sup id="cite_ref-logs_enabled_2-0" class="reference"><a href="#cite_note-logs_enabled-2">[3]</a></sup>
            </td>
            <td>
              <input xowa_prop="app.api.usr.logs.enabled" type="checkbox" class="options_checkbox" id='xowa_prop_2' checked='checked'>
            </td>
          </tr>
          <tr>
            <td class='options_row_label'>
              History enabled: <sup id="cite_ref-history_enabled_3-0" class="reference"><a href="#cite_note-history_enabled-3">[4]</a></sup>
            </td>
            <td>
              <input xowa_prop="app.api.usr.history.enabled" type="checkbox" class="options_checkbox" id='xowa_prop_3' checked='checked'>
            </td>
          </tr>
          <tr>
            <td class='options_row_label'>
              Bookmarks enabled: <sup id="cite_ref-bookmarks_enabled_4-0" class="reference"><a href="#cite_note-bookmarks_enabled-4">[5]</a></sup>
            </td>
            <td>
              <input xowa_prop="app.api.usr.bookmarks.enabled" type="checkbox" class="options_checkbox" id='xowa_prop_4' checked='checked'>
            </td>
          </tr>
          <tr>
            <td class='options_row_label'>
              Load HTML to browser method: <sup id="cite_ref-html_load_tid_5-0" class="reference"><a href="#cite_note-html_load_tid-5">[6]</a></sup>
            </td>
            <td>
              <select xowa_prop="xowa.api.gui.browser.html.load_tid" xowa_prop_list="xowa.api.gui.browser.html.load_tid_list" class="options_textbox" size='2' id='xowa_prop_5'>
                <option value='mem' selected='selected'>
                  mem
                </option>
                <option value='url'>
                  url
                </option>
              </select>
            </td>
          </tr>
        </table>
        <h2>
          <span class="mw-headline" id="Notes">Notes</span>
        </h2>
        <ol class="references">
          <li id="cite_note-javascript_enabled-0">
            <span class="mw-cite-backlink"><a href="#cite_ref-javascript_enabled_0-0">^</a></span> <span class="reference-text">Choose if Javascript enabled: (default is <code>checked</code>)</span>
            <ul>
              <li>
                <span class="reference-text"><b>checked</b> to enable JavaScript. Note that this will allow you to use the functions listed at <a href="http://xowa.org/wiki/home/page/Diagnostics/Javascript/All.html" id="xolnki_2" title="Diagnostics/Javascript/All" class="xowa-visited">Diagnostics/Javascript/All</a></span>
              </li>
              <li>
                <span class="reference-text"><b>unchecked</b> to disable JavaScript. Only JavaScript specified by XOWA will run</span>
              </li>
            </ul>
            <dl>
              <dd>
                <span class="reference-text">XOWA uses JavaScript for certain functionality such as MathJax, sortable, collapsible, and reference tooltips. Unfortunately, JavaScript can also be a vector of attack. Although XOWA scrubs pages to eliminate embedded JavaScript, it is possible for malicious JavaScript to be injected into a Wiki page that evades XOWA's code. For those concerned about security, the safest approach would be to disable JavaScript entirely.</span>
              </dd>
            </dl>
          </li>
          <li id="cite_note-web_access_enabled-1">
            <span class="mw-cite-backlink"><a href="#cite_ref-web_access_enabled_1-0">^</a></span> <span class="reference-text">Choose if XOWA is allowed to access the Web: (default is <code>checked</code>)</span>
            <ul>
              <li>
                <span class="reference-text"><b>checked</b> to allow web access.</span>
              </li>
              <li>
                <span class="reference-text"><b>unchecked</b> to forbid web access. XOWA will not connect to the internet under any circumstances. This is equivalent to pulling the network cable for XOWA only.</span>
              </li>
            </ul><span class="reference-text">Note that this may cause the app to not behave properly. For example:</span>
            <ul>
              <li>
                <span class="reference-text">Images will not download, even if "Retrieve files" is checked</span>
              </li>
              <li>
                <span class="reference-text">Import links on Import/List will not work</span>
              </li>
              <li>
                <span class="reference-text">Download dump status on Wiki/Maintenance will not work</span>
              </li>
              <li>
                <span class="reference-text">etc..</span>
              </li>
            </ul><span class="reference-text">Also, note that this only controls XOWA's access to the internet. <a href="http://xowa.org/wiki/home/page/Options/Apps.html" id="xolnki_3" title="Options/Apps">Viewer apps</a> may still access the internet. For example, clicking on an external link will still launch a "Web browser". If you have VLC set up to play media files, it may access the internet when you click on a media file. A PDF app may try to update itself when you click on a PDF file. For more information, see <a href="http://xowa.org/wiki/home/page/Help/Privacy.html" id="xolnki_4" title="Help/Privacy" class="xowa-visited">Help/Privacy</a></span>
          </li>
          <li id="cite_note-logs_enabled-2">
            <span class="mw-cite-backlink"><a href="#cite_ref-logs_enabled_2-0">^</a></span> <span class="reference-text">Choose if logs are enabled: (default is <code>checked</code>)</span>
            <ul>
              <li>
                <span class="reference-text"><b>checked</b> to enable logs. XOWA logs application activity for diagnostic purposes. Note that these logs are never shared or uploaded. See <a href="http://xowa.org/wiki/home/page/Help/Privacy.html" id="xolnki_5" title="Help/Privacy" class="xowa-visited">Help/Privacy</a> for more info</span>
              </li>
              <li>
                <span class="reference-text"><b>unchecked</b> to disable logs. No messages will be written to the log. You can check by going to Help -&gt; System Data -&gt; Session Log</span>
              </li>
            </ul>
          </li>
          <li id="cite_note-history_enabled-3">
            <span class="mw-cite-backlink"><a href="#cite_ref-history_enabled_3-0">^</a></span> <span class="reference-text">Choose if page history is enabled: (default is <code>checked</code>)</span>
            <ul>
              <li>
                <span class="reference-text"><b>checked</b> to enable page history. XOWA stores viewed pages for the Page History page (History -&gt; Show). Note that this history is never shared or uploaded. See <a href="http://xowa.org/wiki/home/page/Help/Privacy.html" id="xolnki_6" title="Help/Privacy" class="xowa-visited">Help/Privacy</a> for more info</span>
              </li>
              <li>
                <span class="reference-text"><b>unchecked</b> to disable page history. No pages will be stored in page history. You can check by going to Help -&gt; System Data -&gt; Page History</span>
              </li>
            </ul>
          </li>
          <li id="cite_note-bookmarks_enabled-4">
            <span class="mw-cite-backlink"><a href="#cite_ref-bookmarks_enabled_4-0">^</a></span> <span class="reference-text">Choose if bookmarks are enabled: (default is <code>checked</code>)</span>
            <ul>
              <li>
                <span class="reference-text"><b>checked</b> to enable bookmarks. XOWA adds bookmarks whenever the user chooses "Bookmark this page". Note that these bookmarks are never shared or uploaded. See <a href="http://xowa.org/wiki/home/page/Help/Privacy.html" id="xolnki_7" title="Help/Privacy" class="xowa-visited">Help/Privacy</a> for more info</span>
              </li>
              <li>
                <span class="reference-text"><b>unchecked</b> to disable adding bookmarks. No bookmarks will be be added, even if the user clicks "Bookmark this page". You can check by clicking "Bookmark this page" and then clicking "Show all bookmarks"</span>
              </li>
            </ul>
          </li>
          <li id="cite_note-html_load_tid-5">
            <span class="mw-cite-backlink"><a href="#cite_ref-html_load_tid_5-0">^</a></span> <span class="reference-text">Choose how HTML is loaded into the browser: (default is <code>mem</code>) (recommended is <code>url</code>) This is a performance optimization with privacy implications</span>
            <ul>
              <li>
                <span class="reference-text"><b>mem</b>: Loads HTML through memory by calling <code>browser.setText(html)</code>. For unknown reasons, SWT / XULRunner uses more memory when loading HTML by setText -- as much as 5 - 10 MB for a page like en.w:Earth.</span>
              </li>
              <li>
                <span class="reference-text"><b>url</b>: Loads HTML through the file system by calling <code>browser.setUrl(file, html)</code>. This call uses less memory, but requires writing the HTML to disk. (see /xowa/user/anonymous/app/tmp/html) Although setting HTML via disk is theoretically slower than memory, the time difference is not noticeable. This may be more of an issue for users with privacy concerns. For more info on the latter, see <a href="http://xowa.org/wiki/home/page/Help/Privacy.html" id="xolnki_8" title="Help/Privacy" class="xowa-visited">Help/Privacy</a>.</span>
              </li>
            </ul><span class="reference-text">Note that <b>mem</b> is currently the default, but <b>url</b> will be made the default in a future release.</span>
          </li>
        </ol>
      </div>
    </div>
  
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        <li><a href="http://xowa.org/wiki/home/page/Help/Feedback.html" title='Questions? Comments? Leave feedback for XOWA'>Feedback</a></li>
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  <div class="portal" id='xowa-portal-blog'>
    <h3>Blog</h3>
    <div class="body">
      <ul>
        <li><a href="http://xowa.org/wiki/home/page/Blog.html" title='Follow XOWA''s development process'>Current</a></li>
      </ul>
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  <div class="portal" id='xowa-portal-links'>
    <h3>Links</h3>
    <div class="body">
      <ul>
        <li><a href="http://dumps.wikimedia.org/backup-index.html" title="Get wiki datababase dumps directly from Wikimedia">Wikimedia dumps</a></li>
        <li><a href="https://archive.org/search.php?query=xowa" title="Search archive.org for XOWA files">XOWA @ archive.org</a></li>
        <li><a href="http://en.wikipedia.org" title="Visit Wikipedia (and compare to XOWA!)">English Wikipedia</a></li>
      </ul>
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  <div class="portal" id='xowa-portal-donate'>
    <h3>Donate</h3>
    <div class="body">
      <ul>
        <li><a href="https://archive.org/donate/index.php" title="Support archive.org!">archive.org</a></li><!-- listed first due to recent fire damages: http://blog.archive.org/2013/11/06/scanning-center-fire-please-help-rebuild/ -->
        <li><a href="https://donate.wikimedia.org/wiki/Special:FundraiserRedirector" title="Support Wikipedia!">Wikipedia</a></li>
        <!-- <li><a href="" title="Support XOWA! (but only after you've supported archive.org and Wikipedia)">XOWA</a></li> -->
      </ul>
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