r24444: {website} Update FF bugs in design doc and add FF4.0 notes. (website/trunk/torbutton/en/design) - tor-commits

25 Mar 2011

Author: mikeperry
Date: 2011-03-25 23:31:40 +0000 (Fri, 25 Mar 2011)
New Revision: 24444
Added:
   website/trunk/torbutton/en/design/FF40_AUDIT
Modified:
   website/trunk/torbutton/en/design/index.html.en
Log:
Update FF bugs in design doc and add FF4.0 notes.
Added: website/trunk/torbutton/en/design/FF40_AUDIT
===================================================================

--- website/trunk/torbutton/en/design/FF40_AUDIT	                        (rev 0)
+++ website/trunk/torbutton/en/design/FF40_AUDIT	2011-03-25 23:31:40 UTC (rev 24444)
@@ -0,0 +1,36 @@
+- Major compatibility issues:
+  http://blog.mozilla.com/addons/2010/11/11/making-add-on-compatible-firefox-4...
+  https://developer.mozilla.org/en/Extensions/Updating_extensions_for_Firefox_...
+  https://developer.mozilla.org/en/XPCOM/XPCOM_changes_in_Gecko_2.0
+
+- Key high level concerns:
+  - WebThreads
+    - https://developer.mozilla.org/En/Using_web_workers
+    - Network activity blocked by content policy
+  - What the hell is a blob url?
+    - https://developer.mozilla.org/en/DOM/window.createBlobURL
+    - https://developer.mozilla.org/en/DOM/window.revokeBlobURL
+    - Seems only relevent to FS injection..
+  - WebSockets
+  - New window.history functions may allow state smuggling
+    - https://developer.mozilla.org/en/DOM/Manipulating_the_browser_history
+  - New screen attributes
+    - https://developer.mozilla.org/en/DOM/window.mozInnerScreenX, Y
+  - Bounding rectangles -> window sizes?
+    - https://bugzilla.mozilla.org/show_bug.cgi?id=396392
+  - Mouse events reveal desktop coordinates?
+    - https://bugzilla.mozilla.org/show_bug.cgi?id=503943
+    - https://developer.mozilla.org/en/DOM/Event/UIEvent/MouseEvent
+  - DocShell and plugins inside createHTMLDocument?
+    - https://developer.mozilla.org/en/DOM/DOMImplementation.createHTMLDocument
+  - Media attributes
+    - "buffered"
+    - "preload"
+    - new codecs?
+
+
+
+- New fingerprinting threats:
+  - Lots of things are now available to CSS :(
+
+
Modified: website/trunk/torbutton/en/design/index.html.en
===================================================================
--- website/trunk/torbutton/en/design/index.html.en	2011-03-25 16:52:56 UTC (rev 24443)
+++ website/trunk/torbutton/en/design/index.html.en	2011-03-25 23:31:40 UTC (rev 24444)
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>Torbutton Design Documentation</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /></head><body><div class="article" title="Torbutton Design Documentation"><div class="titlepage"><div><div><h2 class="title"><a id="design"></a>Torbutton Design Documentation</h2></div><div><div class="author"><h3 class="author"><span class="firstname">Mike</span> <span class="surname">Perry</span></h3><div class="affiliation"><div class="address"><p><code class="email">&lt;<a class="email" href="mailto:mikeperry.fscked/org">mikeperry.fscked/org</a>&gt;</code></p></div></div></div></div><div><p class="pubdate">Jun 28 2010</p></div></div><hr /></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="sect1"><a href="#id2910402">1. Introduction</a></span></dt><dd><dl><dt><span class="sect2"><a href="#adversary">1.1. Adversary Model</a>
 </span></dt><dt><span class="sect2"><a href="#requirements">1.2. Torbutton Requirements</a></span></dt><dt><span class="sect2"><a href="#layout">1.3. Extension Layout</a></span></dt></dl></dd><dt><span class="sect1"><a href="#id2907285">2. Components</a></span></dt><dd><dl><dt><span class="sect2"><a href="#id2927418">2.1. Hooked Components</a></span></dt><dt><span class="sect2"><a href="#id2922900">2.2. New Components</a></span></dt></dl></dd><dt><span class="sect1"><a href="#id2907191">3. Chrome</a></span></dt><dd><dl><dt><span class="sect2"><a href="#browseroverlay">3.1. Browser Overlay - torbutton.xul</a></span></dt><dt><span class="sect2"><a href="#id2922887">3.2. Preferences Window - preferences.xul</a></span></dt><dt><span class="sect2"><a href="#id2922834">3.3. Other Windows</a></span></dt></dl></dd><dt><span class="sect1"><a href="#id2917336">4. Toggle Code Path</a></span></dt><dd><dl><dt><span class="sect2"><a href="#id2934128">4.1. Button Click</a></span></dt><dt><
 span class="sect2"><a href="#id2915503">4.2. Proxy Update</a></span></dt><dt><span class="sect2"><a href="#id2931338">4.3. Settings Update</a></span></dt></dl></dd><dt><span class="sect1"><a href="#id2898010">5. Description of Options</a></span></dt><dd><dl><dt><span class="sect2"><a href="#id2910532">5.1. Test Settings</a></span></dt><dt><span class="sect2"><a href="#plugins">5.2. Disable plugins on Tor Usage (crucial)</a></span></dt><dt><span class="sect2"><a href="#id2917719">5.3. Isolate Dynamic Content to Tor State (crucial)</a></span></dt><dt><span class="sect2"><a href="#jshooks">5.4. Hook Dangerous Javascript</a></span></dt><dt><span class="sect2"><a href="#id2897638">5.5. Resize windows to multiples of 50px during Tor usage (recommended)</a></span></dt><dt><span class="sect2"><a href="#id2924640">5.6. Disable Updates During Tor</a></span></dt><dt><span class="sect2"><a href="#id2892217">5.7. Redirect Torbutton Updates Via Tor (recommended)</a></span></dt><dt><span c
 lass="sect2"><a href="#id2892261">5.8. Disable Search Suggestions during Tor (recommended)</a></span></dt><dt><span class="sect2"><a href="#id2892300">5.9. Disable livemarks updates during Tor usage (recommended)</a></span></dt><dt><span class="sect2"><a href="#id2892371">5.10. Block Tor/Non-Tor access to network from file:// urls (recommended)</a></span></dt><dt><span class="sect2"><a href="#id2892443">5.11. Close all Tor/Non-Tor tabs and windows on toggle (optional)</a></span></dt><dt><span class="sect2"><a href="#id2892524">5.12. Isolate Access to History navigation to Tor state (crucial)</a></span></dt><dt><span class="sect2"><a href="#id2892609">5.13. History Access Settings</a></span></dt><dt><span class="sect2"><a href="#id2892721">5.14. Clear History During Tor Toggle (optional)</a></span></dt><dt><span class="sect2"><a href="#id2934267">5.15. Block Password+Form saving during Tor/Non-Tor</a></span></dt><dt><span class="sect2"><a href="#id2934328">5.16. Block Tor dis
 k cache and clear all cache on Tor Toggle</a></span></dt><dt><span class="sect2"><a href="#id2934378">5.17. Block disk and memory cache during Tor</a></span></dt><dt><span class="sect2"><a href="#id2934430">5.18. Clear Cookies on Tor Toggle</a></span></dt><dt><span class="sect2"><a href="#id2934481">5.19. Store Non-Tor cookies in a protected jar</a></span></dt><dt><span class="sect2"><a href="#id2934538">5.20. Store both Non-Tor and Tor cookies in a protected jar (dangerous)</a></span></dt><dt><span class="sect2"><a href="#id2934577">5.21. Manage My Own Cookies (dangerous)</a></span></dt><dt><span class="sect2"><a href="#id2934592">5.22. Disable DOM Storage during Tor usage (crucial)</a></span></dt><dt><span class="sect2"><a href="#id2934696">5.23. Clear HTTP Auth on Tor Toggle (recommended)</a></span></dt><dt><span class="sect2"><a href="#id2934733">5.24. Clear cookies on Tor/Non-Tor shutdown</a></span></dt><dt><span class="sect2"><a href="#id2934788">5.25. Reload cookie ja
 r/clear cookies on Firefox crash</a></span></dt><dt><span class="sect2"><a href="#id2934863">5.26. On crash recovery or session restored startup, restore via: Tor, Non-Tor</a></span></dt><dt><span class="sect2"><a href="#id2934935">5.27. On normal startup, set state to: Tor, Non-Tor, Shutdown State</a></span></dt><dt><span class="sect2"><a href="#id2934994">5.28. Prevent session store from saving Non-Tor/Tor-loaded tabs</a></span></dt><dt><span class="sect2"><a href="#id2935059">5.29. Set user agent during Tor usage (crucial)</a></span></dt><dt><span class="sect2"><a href="#id2935233">5.30. Spoof US English Browser</a></span></dt><dt><span class="sect2"><a href="#id2935326">5.31. Don't send referrer during Tor Usage</a></span></dt><dt><span class="sect2"><a href="#id2935366">5.32. Strip platform and language off of Google Search Box queries</a></span></dt><dt><span class="sect2"><a href="#id2935407">5.33. Automatically use an alternate search engine when presented with a
-Google Captcha</a></span></dt><dt><span class="sect2"><a href="#id2935487">5.34. Store SSL/CA Certs in separate jars for Tor/Non-Tor (recommended)</a></span></dt></dl></dd><dt><span class="sect1"><a href="#FirefoxBugs">6. Relevant Firefox Bugs</a></span></dt><dd><dl><dt><span class="sect2"><a href="#FirefoxSecurity">6.1. Bugs impacting security</a></span></dt><dt><span class="sect2"><a href="#FirefoxWishlist">6.2. Bugs blocking functionality</a></span></dt><dt><span class="sect2"><a href="#FirefoxMiscBugs">6.3. Low Priority Bugs</a></span></dt></dl></dd><dt><span class="sect1"><a href="#TestPlan">7. Testing</a></span></dt><dd><dl><dt><span class="sect2"><a href="#SingleStateTesting">7.1. Single state testing</a></span></dt><dt><span class="sect2"><a href="#id2936532">7.2. Multi-state testing</a></span></dt><dt><span class="sect2"><a href="#HackTorbutton">7.3. Active testing (aka How to Hack Torbutton)</a></span></dt></dl></dd></dl></div><div class="sect1" title="1. Introduc
 tion"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="id2910402"></a>1. Introduction</h2></div></div></div><p>
+<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>Torbutton Design Documentation</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /></head><body><div class="article" title="Torbutton Design Documentation"><div class="titlepage"><div><div><h2 class="title"><a id="design"></a>Torbutton Design Documentation</h2></div><div><div class="author"><h3 class="author"><span class="firstname">Mike</span> <span class="surname">Perry</span></h3><div class="affiliation"><div class="address"><p><code class="email">&lt;<a class="email" href="mailto:mikeperry.fscked/org">mikeperry.fscked/org</a>&gt;</code></p></div></div></div></div><div><p class="pubdate">Mar 25 2011</p></div></div><hr /></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="sect1"><a href="#id2647809">1. Introduction</a></span></dt><dd><dl><dt><span class="sect2"><a href="#adversary">1.1. Adversary Model</a>
 </span></dt><dt><span class="sect2"><a href="#requirements">1.2. Torbutton Requirements</a></span></dt><dt><span class="sect2"><a href="#layout">1.3. Extension Layout</a></span></dt></dl></dd><dt><span class="sect1"><a href="#id2662790">2. Components</a></span></dt><dd><dl><dt><span class="sect2"><a href="#id2680078">2.1. Hooked Components</a></span></dt><dt><span class="sect2"><a href="#id2682465">2.2. New Components</a></span></dt></dl></dd><dt><span class="sect1"><a href="#id2684278">3. Chrome</a></span></dt><dd><dl><dt><span class="sect2"><a href="#browseroverlay">3.1. Browser Overlay - torbutton.xul</a></span></dt><dt><span class="sect2"><a href="#id2666921">3.2. Preferences Window - preferences.xul</a></span></dt><dt><span class="sect2"><a href="#id2659528">3.3. Other Windows</a></span></dt></dl></dd><dt><span class="sect1"><a href="#id2650612">4. Toggle Code Path</a></span></dt><dd><dl><dt><span class="sect2"><a href="#id2681148">4.1. Button Click</a></span></dt><dt><
 span class="sect2"><a href="#id2683321">4.2. Proxy Update</a></span></dt><dt><span class="sect2"><a href="#id2662007">4.3. Settings Update</a></span></dt></dl></dd><dt><span class="sect1"><a href="#id2679416">5. Description of Options</a></span></dt><dd><dl><dt><span class="sect2"><a href="#id2674592">5.1. Test Settings</a></span></dt><dt><span class="sect2"><a href="#plugins">5.2. Disable plugins on Tor Usage (crucial)</a></span></dt><dt><span class="sect2"><a href="#id2658766">5.3. Isolate Dynamic Content to Tor State (crucial)</a></span></dt><dt><span class="sect2"><a href="#jshooks">5.4. Hook Dangerous Javascript</a></span></dt><dt><span class="sect2"><a href="#id2668126">5.5. Resize windows to multiples of 50px during Tor usage (recommended)</a></span></dt><dt><span class="sect2"><a href="#id2660426">5.6. Disable Updates During Tor</a></span></dt><dt><span class="sect2"><a href="#id2644084">5.7. Redirect Torbutton Updates Via Tor (recommended)</a></span></dt><dt><span c
 lass="sect2"><a href="#id2644128">5.8. Disable Search Suggestions during Tor (recommended)</a></span></dt><dt><span class="sect2"><a href="#id2644167">5.9. Disable livemarks updates during Tor usage (recommended)</a></span></dt><dt><span class="sect2"><a href="#id2644238">5.10. Block Tor/Non-Tor access to network from file:// urls (recommended)</a></span></dt><dt><span class="sect2"><a href="#id2644310">5.11. Close all Tor/Non-Tor tabs and windows on toggle (optional)</a></span></dt><dt><span class="sect2"><a href="#id2644391">5.12. Isolate Access to History navigation to Tor state (crucial)</a></span></dt><dt><span class="sect2"><a href="#id2644476">5.13. History Access Settings</a></span></dt><dt><span class="sect2"><a href="#id2644588">5.14. Clear History During Tor Toggle (optional)</a></span></dt><dt><span class="sect2"><a href="#id2686134">5.15. Block Password+Form saving during Tor/Non-Tor</a></span></dt><dt><span class="sect2"><a href="#id2686195">5.16. Block Tor dis
 k cache and clear all cache on Tor Toggle</a></span></dt><dt><span class="sect2"><a href="#id2686245">5.17. Block disk and memory cache during Tor</a></span></dt><dt><span class="sect2"><a href="#id2686298">5.18. Clear Cookies on Tor Toggle</a></span></dt><dt><span class="sect2"><a href="#id2686349">5.19. Store Non-Tor cookies in a protected jar</a></span></dt><dt><span class="sect2"><a href="#id2686405">5.20. Store both Non-Tor and Tor cookies in a protected jar (dangerous)</a></span></dt><dt><span class="sect2"><a href="#id2686444">5.21. Manage My Own Cookies (dangerous)</a></span></dt><dt><span class="sect2"><a href="#id2686459">5.22. Disable DOM Storage during Tor usage (crucial)</a></span></dt><dt><span class="sect2"><a href="#id2686563">5.23. Clear HTTP Auth on Tor Toggle (recommended)</a></span></dt><dt><span class="sect2"><a href="#id2686600">5.24. Clear cookies on Tor/Non-Tor shutdown</a></span></dt><dt><span class="sect2"><a href="#id2686655">5.25. Reload cookie ja
 r/clear cookies on Firefox crash</a></span></dt><dt><span class="sect2"><a href="#id2686731">5.26. On crash recovery or session restored startup, restore via: Tor, Non-Tor</a></span></dt><dt><span class="sect2"><a href="#id2686802">5.27. On normal startup, set state to: Tor, Non-Tor, Shutdown State</a></span></dt><dt><span class="sect2"><a href="#id2686861">5.28. Prevent session store from saving Non-Tor/Tor-loaded tabs</a></span></dt><dt><span class="sect2"><a href="#id2686926">5.29. Set user agent during Tor usage (crucial)</a></span></dt><dt><span class="sect2"><a href="#id2687100">5.30. Spoof US English Browser</a></span></dt><dt><span class="sect2"><a href="#id2687193">5.31. Don't send referrer during Tor Usage</a></span></dt><dt><span class="sect2"><a href="#id2687234">5.32. Strip platform and language off of Google Search Box queries</a></span></dt><dt><span class="sect2"><a href="#id2687274">5.33. Automatically use an alternate search engine when presented with a
+Google Captcha</a></span></dt><dt><span class="sect2"><a href="#id2687355">5.34. Store SSL/CA Certs in separate jars for Tor/Non-Tor (recommended)</a></span></dt></dl></dd><dt><span class="sect1"><a href="#FirefoxBugs">6. Relevant Firefox Bugs</a></span></dt><dd><dl><dt><span class="sect2"><a href="#FirefoxSecurity">6.1. Bugs impacting security</a></span></dt><dt><span class="sect2"><a href="#FirefoxWishlist">6.2. Bugs blocking functionality</a></span></dt><dt><span class="sect2"><a href="#FirefoxMiscBugs">6.3. Low Priority Bugs</a></span></dt></dl></dd><dt><span class="sect1"><a href="#TestPlan">7. Testing</a></span></dt><dd><dl><dt><span class="sect2"><a href="#SingleStateTesting">7.1. Single state testing</a></span></dt><dt><span class="sect2"><a href="#id2688437">7.2. Multi-state testing</a></span></dt><dt><span class="sect2"><a href="#HackTorbutton">7.3. Active testing (aka How to Hack Torbutton)</a></span></dt></dl></dd></dl></div><div class="sect1" title="1. Introduc
 tion"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="id2647809"></a>1. Introduction</h2></div></div></div><p>
This document describes the goals, operation, and testing procedures of the
 Torbutton Firefox extension. It is current as of Torbutton 1.2.5.
@@ -232,13 +232,13 @@
 stable.</p><p>'Chrome' is a combination of XML and Javascript used to describe a window.
 Extensions are allowed to create 'overlays' that are 'bound' to existing XML
 window definitions, or they can create their own windows. The DTD for this XML
-is called <a class="ulink" href="http://developer.mozilla.org/en/docs/XUL_Reference" target="_top">XUL</a>.</p></div></div><div class="sect1" title="2. Components"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="id2907285"></a>2. Components</h2></div></div></div><p>
+is called <a class="ulink" href="http://developer.mozilla.org/en/docs/XUL_Reference" target="_top">XUL</a>.</p></div></div><div class="sect1" title="2. Components"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="id2662790"></a>2. Components</h2></div></div></div><p>
Torbutton installs components for two purposes: hooking existing components to
 reimplement their interfaces; and creating new components that provide
 services to other pieces of the extension.
-  </p><div class="sect2" title="2.1. Hooked Components"><div class="titlepage"><div><div><h3 class="title"><a id="id2927418"></a>2.1. Hooked Components</h3></div></div></div><p>Torbutton makes extensive use of Contract ID hooking, and implements some
+  </p><div class="sect2" title="2.1. Hooked Components"><div class="titlepage"><div><div><h3 class="title"><a id="id2680078"></a>2.1. Hooked Components</h3></div></div></div><p>Torbutton makes extensive use of Contract ID hooking, and implements some
 of its own standalone components as well.  Let's discuss the hooked components
 first.</p><div class="sect3" title="@mozilla.org/browser/sessionstore;1 - components/nsSessionStore36.js"><div class="titlepage"><div><div><h4 class="title"><a id="sessionstore"></a><a class="ulink" href="http://developer.mozilla.org/en/docs/nsISessionStore" target="_top">@mozilla.org/browser/sessionstore;1</a> -
 <a class="ulink" href="https://git.torproject.org/checkout/torbutton/master/src/components/nsSessionStore36.js" target="_top">components/nsSessionStore36.js</a></h4></div></div></div><p>These components address the <a class="link" href="#disk">Disk Avoidance</a>
@@ -267,7 +267,7 @@
 back to arbitrary servers outside of Tor with no user intervention. Fixing
 this issue helps to satisfy Torbutton's <a class="link" href="#proxy">Proxy
 Obedience</a> Requirement.
- </p></div><div class="sect3" title="@mozilla.org/browser/sessionstartup;1 - components/crash-observer.js"><div class="titlepage"><div><div><h4 class="title"><a id="id2924906"></a><a class="ulink" href="http://lxr.mozilla.org/seamonkey/source/browser/components/sessionstore/src/nsSessionStartup.js" target="_top">@mozilla.org/browser/sessionstartup;1</a> -
+ </p></div><div class="sect3" title="@mozilla.org/browser/sessionstartup;1 - components/crash-observer.js"><div class="titlepage"><div><div><h4 class="title"><a id="id2658953"></a><a class="ulink" href="http://lxr.mozilla.org/seamonkey/source/browser/components/sessionstore/src/nsSessionStartup.js" target="_top">@mozilla.org/browser/sessionstartup;1</a> -
     <a class="ulink" href="https://git.torproject.org/checkout/torbutton/master/src/components/crash-observer.js" target="_top">components/crash-observer.js</a></h4></div></div></div><p>This component wraps the Firefox Session Startup component that is in
 charge of <a class="ulink" href="http://developer.mozilla.org/en/docs/Session_store_API" target="_top">restoring saved
 sessions</a>. The wrapper's only job is to intercept the
@@ -281,7 +281,7 @@
 in the preferences window (<span class="command"><strong>extensions.torbutton.restore_tor</strong></span>), and
 restoring cookies for the corresponding cookie jar, if it exists.</p><p>By performing this notification, this component assists in the 
 <a class="link" href="#proxy">Proxy Obedience</a>, and <a class="link" href="#isolation">Network Isolation</a> requirements.
-</p></div><div class="sect3" title="@mozilla.org/browser/global-history;2 - components/ignore-history.js"><div class="titlepage"><div><div><h4 class="title"><a id="id2921641"></a><a class="ulink" href="http://www.oxymoronical.com/experiments/xpcomref/applications/Firefox/3.5/components/%40mozilla.org/browser/global-history;2" target="_top">@mozilla.org/browser/global-history;2</a>
+</p></div><div class="sect3" title="@mozilla.org/browser/global-history;2 - components/ignore-history.js"><div class="titlepage"><div><div><h4 class="title"><a id="id2679280"></a><a class="ulink" href="http://www.oxymoronical.com/experiments/xpcomref/applications/Firefox/3.5/components/%40mozilla.org/browser/global-history;2" target="_top">@mozilla.org/browser/global-history;2</a>
 - <a class="ulink" href="https://git.torproject.org/checkout/torbutton/master/src/components/ignore-history.js" target="_top">components/ignore-history.js</a></h4></div></div></div><p>This component was contributed by <a class="ulink" href="http://www.collinjackson.com/" target="_top">Collin Jackson</a> as a method for defeating
 CSS and Javascript-based methods of history disclosure. The global-history
 component is what is used by Firefox to determine if a link was visited or not
@@ -306,9 +306,9 @@
 This component helps satisfy the <a class="link" href="#isolation">Network
 Isolation</a> and <a class="link" href="#setpreservation">Anonymity Set
 Preservation</a> requirements.
-</p></div></div><div class="sect2" title="2.2. New Components"><div class="titlepage"><div><div><h3 class="title"><a id="id2922900"></a>2.2. New Components</h3></div></div></div><p>Torbutton creates four new components that are used throughout the
+</p></div></div><div class="sect2" title="2.2. New Components"><div class="titlepage"><div><div><h3 class="title"><a id="id2682465"></a>2.2. New Components</h3></div></div></div><p>Torbutton creates four new components that are used throughout the
 extension. These components do not hook any interfaces, nor are they used
-anywhere besides Torbutton itself.</p><div class="sect3" title="@torproject.org/cookie-jar-selector;2 - components/cookie-jar-selector.js"><div class="titlepage"><div><div><h4 class="title"><a id="id2909775"></a><a class="ulink" href="https://git.torproject.org/checkout/torbutton/master/src/components/cookie-jar-selector.js" target="_top">@torproject.org/cookie-jar-selector;2
+anywhere besides Torbutton itself.</p><div class="sect3" title="@torproject.org/cookie-jar-selector;2 - components/cookie-jar-selector.js"><div class="titlepage"><div><div><h4 class="title"><a id="id2658495"></a><a class="ulink" href="https://git.torproject.org/checkout/torbutton/master/src/components/cookie-jar-selector.js" target="_top">@torproject.org/cookie-jar-selector;2
 - components/cookie-jar-selector.js</a></h4></div></div></div><p>The cookie jar selector (also based on code from <a class="ulink" href="http://www.collinjackson.com/" target="_top">Collin
 Jackson</a>) is used by the Torbutton chrome to switch between
 Tor and Non-Tor cookies. Its operations are simple: sync cookies to disk, then
@@ -317,7 +317,7 @@
 into place.</p><p>
 This component helps to address the <a class="link" href="#state">State
 Isolation</a> requirement of Torbutton.
-</p></div><div class="sect3" title="@torproject.org/torbutton-logger;1 - components/torbutton-logger.js"><div class="titlepage"><div><div><h4 class="title"><a id="id2906606"></a><a class="ulink" href="https://git.torproject.org/checkout/torbutton/master/src/components/torbutton-logger.js" target="_top">@torproject.org/torbutton-logger;1
+</p></div><div class="sect3" title="@torproject.org/torbutton-logger;1 - components/torbutton-logger.js"><div class="titlepage"><div><div><h4 class="title"><a id="id2683046"></a><a class="ulink" href="https://git.torproject.org/checkout/torbutton/master/src/components/torbutton-logger.js" target="_top">@torproject.org/torbutton-logger;1
 - components/torbutton-logger.js</a></h4></div></div></div><p>The torbutton logger component allows on-the-fly redirection of torbutton
 logging messages to either Firefox stderr
 (<span class="command"><strong>extensions.torbutton.logmethod=0</strong></span>), the Javascript error console
@@ -369,7 +369,7 @@
 </p><p>
This helps to fulfill both the <a class="link" href="#setpreservation">Anonymity Set Preservation</a> and the <a class="link" href="#undiscoverability">Tor Undiscoverability</a> requirements of
-Torbutton.</p></div></div></div><div class="sect1" title="3. Chrome"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="id2907191"></a>3. Chrome</h2></div></div></div><p>The chrome is where all the torbutton graphical elements and windows are
+Torbutton.</p></div></div></div><div class="sect1" title="3. Chrome"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="id2684278"></a>3. Chrome</h2></div></div></div><p>The chrome is where all the torbutton graphical elements and windows are
 located. Each window is described as an <a class="ulink" href="http://developer.mozilla.org/en/docs/XUL_Reference" target="_top">XML file</a>, with zero or more Javascript
 files attached. The scope of these Javascript files is their containing
 window.</p><div class="sect2" title="3.1. Browser Overlay - torbutton.xul"><div class="titlepage"><div><div><h3 class="title"><a id="browseroverlay"></a>3.1. Browser Overlay - <a class="ulink" href="https://git.torproject.org/checkout/torbutton/master/src/chrome/content/torbutton.xul" target="_top">torbutton.xul</a></h3></div></div></div><p>The browser overlay, torbutton.xul, defines the toolbar button, the status
@@ -496,9 +496,9 @@
 Avoidance</a> and <a class="link" href="#state">State Separation</a>
 requirements.
-   </p></li></ol></div></div><div class="sect2" title="3.2. Preferences Window - preferences.xul"><div class="titlepage"><div><div><h3 class="title"><a id="id2922887"></a>3.2. Preferences Window - <a class="ulink" href="https://git.torproject.org/checkout/torbutton/master/src/chrome/content/preferences.xul" target="_top">preferences.xul</a></h3></div></div></div><p>The preferences window of course lays out the Torbutton preferences, with
-handlers located in <a class="ulink" href="https://git.torproject.org/checkout/torbutton/master/src/chrome/content/preferences.js" target="_top">chrome/content/preferences.js</a>.</p></div><div class="sect2" title="3.3. Other Windows"><div class="titlepage"><div><div><h3 class="title"><a id="id2922834"></a>3.3. Other Windows</h3></div></div></div><p>There are additional windows that describe popups for right clicking on
-the status bar, the toolbutton, and the about page.</p></div></div><div class="sect1" title="4. Toggle Code Path"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="id2917336"></a>4. Toggle Code Path</h2></div></div></div><p>
+   </p></li></ol></div></div><div class="sect2" title="3.2. Preferences Window - preferences.xul"><div class="titlepage"><div><div><h3 class="title"><a id="id2666921"></a>3.2. Preferences Window - <a class="ulink" href="https://git.torproject.org/checkout/torbutton/master/src/chrome/content/preferences.xul" target="_top">preferences.xul</a></h3></div></div></div><p>The preferences window of course lays out the Torbutton preferences, with
+handlers located in <a class="ulink" href="https://git.torproject.org/checkout/torbutton/master/src/chrome/content/preferences.js" target="_top">chrome/content/preferences.js</a>.</p></div><div class="sect2" title="3.3. Other Windows"><div class="titlepage"><div><div><h3 class="title"><a id="id2659528"></a>3.3. Other Windows</h3></div></div></div><p>There are additional windows that describe popups for right clicking on
+the status bar, the toolbutton, and the about page.</p></div></div><div class="sect1" title="4. Toggle Code Path"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="id2650612"></a>4. Toggle Code Path</h2></div></div></div><p>
The act of toggling is connected to <code class="function">torbutton_toggle()</code>
 via the <a class="ulink" href="https://git.torproject.org/checkout/torbutton/master/src/chrome/content/torbutton.xul" target="_top">torbutton.xul</a>
@@ -519,7 +519,7 @@
 409737</a> unfixed. The content policy does not allow any network activity
 whatsoever during this three stage transition.
- </p><div class="sect2" title="4.1. Button Click"><div class="titlepage"><div><div><h3 class="title"><a id="id2934128"></a>4.1. Button Click</h3></div></div></div><p>
+ </p><div class="sect2" title="4.1. Button Click"><div class="titlepage"><div><div><h3 class="title"><a id="id2681148"></a>4.1. Button Click</h3></div></div></div><p>
This is the first step in the toggling process. When the user clicks the
 toggle button or the toolbar, <code class="function">torbutton_toggle()</code> is
@@ -532,7 +532,7 @@
 <span class="command"><strong>torbutton_unique_pref_observer</strong></span> to perform the rest of the
 toggle.
-  </p></div><div class="sect2" title="4.2. Proxy Update"><div class="titlepage"><div><div><h3 class="title"><a id="id2915503"></a>4.2. Proxy Update</h3></div></div></div><p>
+  </p></div><div class="sect2" title="4.2. Proxy Update"><div class="titlepage"><div><div><h3 class="title"><a id="id2683321"></a>4.2. Proxy Update</h3></div></div></div><p>
When Torbutton receives any proxy change notifications via its
 <span class="command"><strong>torbutton_unique_pref_observer</strong></span>, it calls
@@ -547,7 +547,7 @@
 observer so that other addons (such as SwitchProxy) can switch the proxy
 settings between multiple proxies.
-  </p></div><div class="sect2" title="4.3. Settings Update"><div class="titlepage"><div><div><h3 class="title"><a id="id2931338"></a>4.3. Settings Update</h3></div></div></div><p>
+  </p></div><div class="sect2" title="4.3. Settings Update"><div class="titlepage"><div><div><h3 class="title"><a id="id2662007"></a>4.3. Settings Update</h3></div></div></div><p>
The next stage is also handled by
 <code class="function">torbutton_update_status()</code>. This function sets scores of
@@ -558,10 +558,10 @@
 <span class="command"><strong>extensions.torbutton.settings_applied</strong></span>, which signifies the
 completion of the toggle operation to the <a class="link" href="#contentpolicy" title="@torproject.org/cssblocker;1 - components/cssblocker.js">content policy</a>.
-  </p></div></div><div class="sect1" title="5. Description of Options"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="id2898010"></a>5. Description of Options</h2></div></div></div><p>This section provides a detailed description of Torbutton's options. Each
+  </p></div></div><div class="sect1" title="5. Description of Options"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="id2679416"></a>5. Description of Options</h2></div></div></div><p>This section provides a detailed description of Torbutton's options. Each
 option is presented as the string from the preferences window, a summary, the
 preferences it touches, and the effect this has on the components, chrome, and
-browser properties.</p><div class="sect2" title="5.1. Test Settings"><div class="titlepage"><div><div><h3 class="title"><a id="id2910532"></a>5.1. Test Settings</h3></div></div></div><p>
+browser properties.</p><div class="sect2" title="5.1. Test Settings"><div class="titlepage"><div><div><h3 class="title"><a id="id2674592"></a>5.1. Test Settings</h3></div></div></div><p>
 This button under the Proxy Settings tab provides a way to verify that the 
 proxy settings are correct, and actually do route through the Tor network. It
 performs this check by issuing an <a class="ulink" href="http://developer.mozilla.org/en/docs/XMLHttpRequest" target="_top">XMLHTTPRequest</a>
@@ -620,7 +620,7 @@
 Since most plugins completely ignore browser proxy settings, the actions
 performed by this setting are crucial to satisfying the <a class="link" href="#proxy">Proxy Obedience</a> requirement.
- </p></div><div class="sect2" title="5.3. Isolate Dynamic Content to Tor State (crucial)"><div class="titlepage"><div><div><h3 class="title"><a id="id2917719"></a>5.3. Isolate Dynamic Content to Tor State (crucial)</h3></div></div></div><p>Option: <span class="command"><strong>extensions.torbutton.isolate_content</strong></span></p><p>Enabling this preference is what enables the <a class="ulink" href="https://git.torproject.org/checkout/torbutton/master/src/components/cssblocker.js" target="_top">@torproject.org/cssblocker;1</a> content policy
+ </p></div><div class="sect2" title="5.3. Isolate Dynamic Content to Tor State (crucial)"><div class="titlepage"><div><div><h3 class="title"><a id="id2658766"></a>5.3. Isolate Dynamic Content to Tor State (crucial)</h3></div></div></div><p>Option: <span class="command"><strong>extensions.torbutton.isolate_content</strong></span></p><p>Enabling this preference is what enables the <a class="ulink" href="https://git.torproject.org/checkout/torbutton/master/src/components/cssblocker.js" target="_top">@torproject.org/cssblocker;1</a> content policy
 mentioned above, and causes it to block content load attempts in pages an
 opposite Tor state from the current state. Freshly loaded <a class="ulink" href="https://developer.mozilla.org/en/XUL/tabbrowser" target="_top">browser
 tabs</a> are tagged
@@ -672,7 +672,7 @@
-</p></div><div class="sect2" title="5.5. Resize windows to multiples of 50px during Tor usage (recommended)"><div class="titlepage"><div><div><h3 class="title"><a id="id2897638"></a>5.5. Resize windows to multiples of 50px during Tor usage (recommended)</h3></div></div></div><p>Option: <span class="command"><strong>extensions.torbutton.resize_windows</strong></span></p><p>
+</p></div><div class="sect2" title="5.5. Resize windows to multiples of 50px during Tor usage (recommended)"><div class="titlepage"><div><div><h3 class="title"><a id="id2668126"></a>5.5. Resize windows to multiples of 50px during Tor usage (recommended)</h3></div></div></div><p>Option: <span class="command"><strong>extensions.torbutton.resize_windows</strong></span></p><p>
This option drastically cuts down on the number of distinct anonymity sets
 that divide the Tor web userbase. Without this setting, the dimensions for a
@@ -707,7 +707,7 @@
</p><p>
 This setting helps to meet the <a class="link" href="#setpreservation">Anonymity Set Preservation</a> requirements.
-</p></div><div class="sect2" title="5.6. Disable Updates During Tor"><div class="titlepage"><div><div><h3 class="title"><a id="id2924640"></a>5.6. Disable Updates During Tor</h3></div></div></div><p>Option: <span class="command"><strong>extensions.torbutton.no_updates</strong></span></p><p>This setting causes Torbutton to disable the four <a class="ulink" href="http://wiki.mozilla.org/Update:Users/Checking_For_Updates#Preference_Controls_and_State" target="_top">Firefox
+</p></div><div class="sect2" title="5.6. Disable Updates During Tor"><div class="titlepage"><div><div><h3 class="title"><a id="id2660426"></a>5.6. Disable Updates During Tor</h3></div></div></div><p>Option: <span class="command"><strong>extensions.torbutton.no_updates</strong></span></p><p>This setting causes Torbutton to disable the four <a class="ulink" href="http://wiki.mozilla.org/Update:Users/Checking_For_Updates#Preference_Controls_and_State" target="_top">Firefox
 update settings</a> during Tor
   usage: <span class="command"><strong>extensions.update.enabled</strong></span>,
 <span class="command"><strong>app.update.enabled</strong></span>,
@@ -717,7 +717,7 @@
   checking for search plugin updates while Tor is enabled.
   </p><p>
 This setting satisfies the <a class="link" href="#updates">Update Safety</a> requirement.
-</p></div><div class="sect2" title="5.7. Redirect Torbutton Updates Via Tor (recommended)"><div class="titlepage"><div><div><h3 class="title"><a id="id2892217"></a>5.7. Redirect Torbutton Updates Via Tor (recommended)</h3></div></div></div><p>Option: <span class="command"><strong>extensions.torbutton.update_torbutton_via_tor</strong></span></p><p>This setting causes Torbutton to install an
+</p></div><div class="sect2" title="5.7. Redirect Torbutton Updates Via Tor (recommended)"><div class="titlepage"><div><div><h3 class="title"><a id="id2644084"></a>5.7. Redirect Torbutton Updates Via Tor (recommended)</h3></div></div></div><p>Option: <span class="command"><strong>extensions.torbutton.update_torbutton_via_tor</strong></span></p><p>This setting causes Torbutton to install an
<a class="ulink" href="https://developer.mozilla.org/en/nsIProtocolProxyFilter" target="_top">nsIProtocolProxyFilter</a>
 in order to redirect all version update checks and Torbutton update downloads
@@ -726,7 +726,7 @@
 help censored users meet the <a class="link" href="#undiscoverability">Tor
 Undiscoverability</a> requirement.
-  </p></div><div class="sect2" title="5.8. Disable Search Suggestions during Tor (recommended)"><div class="titlepage"><div><div><h3 class="title"><a id="id2892261"></a>5.8. Disable Search Suggestions during Tor (recommended)</h3></div></div></div><p>Option: <span class="command"><strong>extensions.torbutton.no_search</strong></span></p><p>
+  </p></div><div class="sect2" title="5.8. Disable Search Suggestions during Tor (recommended)"><div class="titlepage"><div><div><h3 class="title"><a id="id2644128"></a>5.8. Disable Search Suggestions during Tor (recommended)</h3></div></div></div><p>Option: <span class="command"><strong>extensions.torbutton.no_search</strong></span></p><p>
 This setting causes Torbutton to disable <a class="ulink" href="http://kb.mozillazine.org/Browser.search.suggest.enabled" target="_top"><span class="command"><strong>browser.search.suggest.enabled</strong></span></a>
 during Tor usage.
 This governs if you get Google search suggestions during Tor
@@ -737,7 +737,7 @@
 While this setting doesn't satisfy any Torbutton requirements, the fact that
 cookies are transmitted for partially typed queries does not seem desirable
 for Tor usage.
-</p></div><div class="sect2" title="5.9. Disable livemarks updates during Tor usage (recommended)"><div class="titlepage"><div><div><h3 class="title"><a id="id2892300"></a>5.9. Disable livemarks updates during Tor usage (recommended)</h3></div></div></div><p>Option:
+</p></div><div class="sect2" title="5.9. Disable livemarks updates during Tor usage (recommended)"><div class="titlepage"><div><div><h3 class="title"><a id="id2644167"></a>5.9. Disable livemarks updates during Tor usage (recommended)</h3></div></div></div><p>Option:
    </p><table border="0" summary="Simple list" class="simplelist"><tr><td><span class="command"><strong>extensions.torbutton.disable_livemarks</strong></span></td></tr></table><p>
   </p><p>
 This option causes Torbutton to prevent Firefox from loading <a class="ulink" href="http://www.mozilla.com/firefox/livebookmarks.html" target="_top">Livemarks</a> during
@@ -751,7 +751,7 @@
 This helps satisfy the <a class="link" href="#isolation">Network
 Isolation</a> and <a class="link" href="#setpreservation">Anonymity Set
 Preservation</a> requirements.
-</p></div><div class="sect2" title="5.10. Block Tor/Non-Tor access to network from file:// urls (recommended)"><div class="titlepage"><div><div><h3 class="title"><a id="id2892371"></a>5.10. Block Tor/Non-Tor access to network from file:// urls (recommended)</h3></div></div></div><p>Options:
+</p></div><div class="sect2" title="5.10. Block Tor/Non-Tor access to network from file:// urls (recommended)"><div class="titlepage"><div><div><h3 class="title"><a id="id2644238"></a>5.10. Block Tor/Non-Tor access to network from file:// urls (recommended)</h3></div></div></div><p>Options:
    </p><table border="0" summary="Simple list" class="simplelist"><tr><td><span class="command"><strong>extensions.torbutton.block_tor_file_net</strong></span></td></tr><tr><td><span class="command"><strong>extensions.torbutton.block_nontor_file_net</strong></span></td></tr></table><p>
   </p><p>
@@ -771,7 +771,7 @@
 operations in opposite Tor states. Also, allowing pages to submit arbitrary
 files to arbitrary sites just generally seems like a bad idea.
-</p></div><div class="sect2" title="5.11. Close all Tor/Non-Tor tabs and windows on toggle (optional)"><div class="titlepage"><div><div><h3 class="title"><a id="id2892443"></a>5.11. Close all Tor/Non-Tor tabs and windows on toggle (optional)</h3></div></div></div><p>Options:
+</p></div><div class="sect2" title="5.11. Close all Tor/Non-Tor tabs and windows on toggle (optional)"><div class="titlepage"><div><div><h3 class="title"><a id="id2644310"></a>5.11. Close all Tor/Non-Tor tabs and windows on toggle (optional)</h3></div></div></div><p>Options:
    </p><table border="0" summary="Simple list" class="simplelist"><tr><td><span class="command"><strong>extensions.torbutton.close_nontor</strong></span></td></tr><tr><td><span class="command"><strong>extensions.torbutton.close_tor</strong></span></td></tr></table><p>
   </p><p>
@@ -795,7 +795,7 @@
 While this setting doesn't satisfy any Torbutton requirements, the fact that
 cookies are transmitted for partially typed queries does not seem desirable
 for Tor usage.
-</p></div><div class="sect2" title="5.12. Isolate Access to History navigation to Tor state (crucial)"><div class="titlepage"><div><div><h3 class="title"><a id="id2892524"></a>5.12. Isolate Access to History navigation to Tor state (crucial)</h3></div></div></div><p>Option: <span class="command"><strong>extensions.torbutton.block_js_history</strong></span></p><p>
+</p></div><div class="sect2" title="5.12. Isolate Access to History navigation to Tor state (crucial)"><div class="titlepage"><div><div><h3 class="title"><a id="id2644391"></a>5.12. Isolate Access to History navigation to Tor state (crucial)</h3></div></div></div><p>Option: <span class="command"><strong>extensions.torbutton.block_js_history</strong></span></p><p>
 This setting determines if Torbutton installs an <a class="ulink" href="http://www.oxymoronical.com/experiments/apidocs/interface/nsISHistoryListener" target="_top">nsISHistoryListener</a>
 attached to the <a class="ulink" href="http://www.oxymoronical.com/experiments/apidocs/interface/nsISHistory" target="_top">sessionHistory</a> of 
 of each browser's <a class="ulink" href="https://developer.mozilla.org/en/XUL%3aProperty%3awebNavigation" target="_top">webNavigatator</a>.
@@ -823,7 +823,7 @@
 Separation</a> and (until Bug 409737 is fixed) <a class="link" href="#isolation">Network Isolation</a>
 requirements.
-   </p></div><div class="sect2" title="5.13. History Access Settings"><div class="titlepage"><div><div><h3 class="title"><a id="id2892609"></a>5.13. History Access Settings</h3></div></div></div><p>Options:
+   </p></div><div class="sect2" title="5.13. History Access Settings"><div class="titlepage"><div><div><h3 class="title"><a id="id2644476"></a>5.13. History Access Settings</h3></div></div></div><p>Options:
   </p><table border="0" summary="Simple list" class="simplelist"><tr><td><span class="command"><strong>extensions.torbutton.block_thread</strong></span></td></tr><tr><td><span class="command"><strong>extensions.torbutton.block_nthread</strong></span></td></tr><tr><td><span class="command"><strong>extensions.torbutton.block_thwrite</strong></span></td></tr><tr><td><span class="command"><strong>extensions.torbutton.block_nthwrite</strong></span></td></tr></table><p>
   </p><p>These four settings govern the behavior of the <a class="ulink" href="https://git.torproject.org/checkout/torbutton/master/src/components/ignore-history.js" target="_top">components/ignore-history.js</a>
 history blocker component mentioned above. By hooking the browser's view of
@@ -838,12 +838,12 @@
</p><p>
 This setting helps to satisfy the <a class="link" href="#state">State Separation</a> and <a class="link" href="#disk">Disk Avoidance</a> requirements.
-</p></div><div class="sect2" title="5.14. Clear History During Tor Toggle (optional)"><div class="titlepage"><div><div><h3 class="title"><a id="id2892721"></a>5.14. Clear History During Tor Toggle (optional)</h3></div></div></div><p>Option: <span class="command"><strong>extensions.torbutton.clear_history</strong></span></p><p>This setting governs if Torbutton calls
+</p></div><div class="sect2" title="5.14. Clear History During Tor Toggle (optional)"><div class="titlepage"><div><div><h3 class="title"><a id="id2644588"></a>5.14. Clear History During Tor Toggle (optional)</h3></div></div></div><p>Option: <span class="command"><strong>extensions.torbutton.clear_history</strong></span></p><p>This setting governs if Torbutton calls
 <a class="ulink" href="https://developer.mozilla.org/en/nsIBrowserHistory#removeAllPages.28.29" target="_top">nsIBrowserHistory.removeAllPages</a>
 and <a class="ulink" href="http://www.oxymoronical.com/experiments/apidocs/interface/nsISHistory" target="_top">nsISHistory.PurgeHistory</a>
 for each tab on Tor toggle.</p><p>
 This setting is an optional way to help satisfy the <a class="link" href="#state">State Separation</a> requirement.
-</p></div><div class="sect2" title="5.15. Block Password+Form saving during Tor/Non-Tor"><div class="titlepage"><div><div><h3 class="title"><a id="id2934267"></a>5.15. Block Password+Form saving during Tor/Non-Tor</h3></div></div></div><p>Options:
+</p></div><div class="sect2" title="5.15. Block Password+Form saving during Tor/Non-Tor"><div class="titlepage"><div><div><h3 class="title"><a id="id2686134"></a>5.15. Block Password+Form saving during Tor/Non-Tor</h3></div></div></div><p>Options:
   </p><table border="0" summary="Simple list" class="simplelist"><tr><td><span class="command"><strong>extensions.torbutton.block_tforms</strong></span></td></tr><tr><td><span class="command"><strong>extensions.torbutton.block_ntforms</strong></span></td></tr></table><p>
   </p><p>These settings govern if Torbutton disables
 <span class="command"><strong>browser.formfill.enable</strong></span>
@@ -852,19 +852,19 @@
 more important than it seems.
 </p><p>
 This setting helps to satisfy the <a class="link" href="#state">State Separation</a> and <a class="link" href="#disk">Disk Avoidance</a> requirements.
-</p></div><div class="sect2" title="5.16. Block Tor disk cache and clear all cache on Tor Toggle"><div class="titlepage"><div><div><h3 class="title"><a id="id2934328"></a>5.16. Block Tor disk cache and clear all cache on Tor Toggle</h3></div></div></div><p>Option: <span class="command"><strong>extensions.torbutton.clear_cache</strong></span>
+</p></div><div class="sect2" title="5.16. Block Tor disk cache and clear all cache on Tor Toggle"><div class="titlepage"><div><div><h3 class="title"><a id="id2686195"></a>5.16. Block Tor disk cache and clear all cache on Tor Toggle</h3></div></div></div><p>Option: <span class="command"><strong>extensions.torbutton.clear_cache</strong></span>
   </p><p>This option causes Torbutton to call <a class="ulink" href="https://developer.mozilla.org/en/nsICacheService#evictEntries.28.29" target="_top">nsICacheService.evictEntries(0)</a>
 on Tor toggle to remove all entries from the cache. In addition, this setting
 causes Torbutton to set <a class="ulink" href="http://kb.mozillazine.org/Browser.cache.disk.enable" target="_top">browser.cache.disk.enable</a> to false.
 </p><p>
 This setting helps to satisfy the <a class="link" href="#state">State Separation</a> and <a class="link" href="#disk">Disk Avoidance</a> requirements.
-</p></div><div class="sect2" title="5.17. Block disk and memory cache during Tor"><div class="titlepage"><div><div><h3 class="title"><a id="id2934378"></a>5.17. Block disk and memory cache during Tor</h3></div></div></div><p>Option: <span class="command"><strong>extensions.torbutton.block_cache</strong></span></p><p>This setting
+</p></div><div class="sect2" title="5.17. Block disk and memory cache during Tor"><div class="titlepage"><div><div><h3 class="title"><a id="id2686245"></a>5.17. Block disk and memory cache during Tor</h3></div></div></div><p>Option: <span class="command"><strong>extensions.torbutton.block_cache</strong></span></p><p>This setting
 causes Torbutton to set <a class="ulink" href="http://kb.mozillazine.org/Browser.cache.memory.enable" target="_top">browser.cache.memory.enable</a>,
 <a class="ulink" href="http://kb.mozillazine.org/Browser.cache.disk.enable" target="_top">browser.cache.disk.enable</a> and
 <a class="ulink" href="http://kb.mozillazine.org/Network.http.use-cache" target="_top">network.http.use-cache</a> to false during tor usage.
 </p><p>
 This setting helps to satisfy the <a class="link" href="#state">State Separation</a> and <a class="link" href="#disk">Disk Avoidance</a> requirements.
-</p></div><div class="sect2" title="5.18. Clear Cookies on Tor Toggle"><div class="titlepage"><div><div><h3 class="title"><a id="id2934430"></a>5.18. Clear Cookies on Tor Toggle</h3></div></div></div><p>Option: <span class="command"><strong>extensions.torbutton.clear_cookies</strong></span>
+</p></div><div class="sect2" title="5.18. Clear Cookies on Tor Toggle"><div class="titlepage"><div><div><h3 class="title"><a id="id2686298"></a>5.18. Clear Cookies on Tor Toggle</h3></div></div></div><p>Option: <span class="command"><strong>extensions.torbutton.clear_cookies</strong></span>
   </p><p>
This setting causes Torbutton to call <a class="ulink" href="https://developer.mozilla.org/en/nsICookieManager#removeAll.28.29" target="_top">nsICookieManager.removeAll()</a> on
@@ -874,7 +874,7 @@
</p><p>
 This setting helps to satisfy the <a class="link" href="#state">State Separation</a> and <a class="link" href="#disk">Disk Avoidance</a> requirements.
-</p></div><div class="sect2" title="5.19. Store Non-Tor cookies in a protected jar"><div class="titlepage"><div><div><h3 class="title"><a id="id2934481"></a>5.19. Store Non-Tor cookies in a protected jar</h3></div></div></div><p>Option: <span class="command"><strong>extensions.torbutton.cookie_jars</strong></span>
+</p></div><div class="sect2" title="5.19. Store Non-Tor cookies in a protected jar"><div class="titlepage"><div><div><h3 class="title"><a id="id2686349"></a>5.19. Store Non-Tor cookies in a protected jar</h3></div></div></div><p>Option: <span class="command"><strong>extensions.torbutton.cookie_jars</strong></span>
   </p><p>
This setting causes Torbutton to use <a class="ulink" href="https://git.torproject.org/checkout/torbutton/master/src/components/cookie-jar-selector.js" target="_top">@torproject.org/cookie-jar-selector;2</a> to store
@@ -887,15 +887,15 @@
</p><p>
 This setting helps to satisfy the <a class="link" href="#state">State Separation</a> and <a class="link" href="#disk">Disk Avoidance</a> requirements.
-</p></div><div class="sect2" title="5.20. Store both Non-Tor and Tor cookies in a protected jar (dangerous)"><div class="titlepage"><div><div><h3 class="title"><a id="id2934538"></a>5.20. Store both Non-Tor and Tor cookies in a protected jar (dangerous)</h3></div></div></div><p>Option: <span class="command"><strong>extensions.torbutton.dual_cookie_jars</strong></span>
+</p></div><div class="sect2" title="5.20. Store both Non-Tor and Tor cookies in a protected jar (dangerous)"><div class="titlepage"><div><div><h3 class="title"><a id="id2686405"></a>5.20. Store both Non-Tor and Tor cookies in a protected jar (dangerous)</h3></div></div></div><p>Option: <span class="command"><strong>extensions.torbutton.dual_cookie_jars</strong></span>
   </p><p>
This setting causes Torbutton to use <a class="ulink" href="https://git.torproject.org/checkout/torbutton/master/src/components/cookie-jar-selector.js" target="_top">@torproject.org/cookie-jar-selector;2</a> to store
 both Tor and Non-Tor cookies into protected jars.
 </p><p>
 This setting helps to satisfy the <a class="link" href="#state">State Separation</a> requirement.
-</p></div><div class="sect2" title="5.21. Manage My Own Cookies (dangerous)"><div class="titlepage"><div><div><h3 class="title"><a id="id2934577"></a>5.21. Manage My Own Cookies (dangerous)</h3></div></div></div><p>Options: None</p><p>This setting disables all Torbutton cookie handling by setting the above
-cookie prefs all to false.</p></div><div class="sect2" title="5.22. Disable DOM Storage during Tor usage (crucial)"><div class="titlepage"><div><div><h3 class="title"><a id="id2934592"></a>5.22. Disable DOM Storage during Tor usage (crucial)</h3></div></div></div><div class="sect2" title="5.22.1. Do not write Tor/Non-Tor cookies to disk"><div class="titlepage"><div><div><h3 class="title"><a id="id2934594"></a>5.22.1. Do not write Tor/Non-Tor cookies to disk</h3></div></div></div><p>Options:
+</p></div><div class="sect2" title="5.21. Manage My Own Cookies (dangerous)"><div class="titlepage"><div><div><h3 class="title"><a id="id2686444"></a>5.21. Manage My Own Cookies (dangerous)</h3></div></div></div><p>Options: None</p><p>This setting disables all Torbutton cookie handling by setting the above
+cookie prefs all to false.</p></div><div class="sect2" title="5.22. Disable DOM Storage during Tor usage (crucial)"><div class="titlepage"><div><div><h3 class="title"><a id="id2686459"></a>5.22. Disable DOM Storage during Tor usage (crucial)</h3></div></div></div><div class="sect2" title="5.22.1. Do not write Tor/Non-Tor cookies to disk"><div class="titlepage"><div><div><h3 class="title"><a id="id2686461"></a>5.22.1. Do not write Tor/Non-Tor cookies to disk</h3></div></div></div><p>Options:
   </p><table border="0" summary="Simple list" class="simplelist"><tr><td><span class="command"><strong>extensions.torbutton.tor_memory_jar</strong></span></td></tr><tr><td><span class="command"><strong>extensions.torbutton.nontor_memory_jar</strong></span></td></tr></table><p>
   </p><p>
 These settings (contributed by arno) cause Torbutton to set <a class="ulink" href="http://kb.mozillazine.org/Network.cookie.lifetimePolicy" target="_top">network.cookie.lifetimePolicy</a>
@@ -915,13 +915,13 @@
 <a class="ulink" href="http://developer.mozilla.org/en/docs/DOM:Storage" target="_top">DOM Storage</a> from
   being used to store persistent information across Tor states.</p><p>
 This setting helps to satisfy the <a class="link" href="#state">State Separation</a> requirement.
-</p></div><div class="sect2" title="5.23. Clear HTTP Auth on Tor Toggle (recommended)"><div class="titlepage"><div><div><h3 class="title"><a id="id2934696"></a>5.23. Clear HTTP Auth on Tor Toggle (recommended)</h3></div></div></div><p>Option: <span class="command"><strong>extensions.torbutton.clear_http_auth</strong></span>
+</p></div><div class="sect2" title="5.23. Clear HTTP Auth on Tor Toggle (recommended)"><div class="titlepage"><div><div><h3 class="title"><a id="id2686563"></a>5.23. Clear HTTP Auth on Tor Toggle (recommended)</h3></div></div></div><p>Option: <span class="command"><strong>extensions.torbutton.clear_http_auth</strong></span>
   </p><p>
 This setting causes Torbutton to call <a class="ulink" href="http://www.oxymoronical.com/experiments/apidocs/interface/nsIHttpAuthManager" target="_top">nsIHttpAuthManager.clearAll()</a>
 every time Tor is toggled.
 </p><p>
 This setting helps to satisfy the <a class="link" href="#state">State Separation</a> requirement.
-</p></div><div class="sect2" title="5.24. Clear cookies on Tor/Non-Tor shutdown"><div class="titlepage"><div><div><h3 class="title"><a id="id2934733"></a>5.24. Clear cookies on Tor/Non-Tor shutdown</h3></div></div></div><p>Option: <span class="command"><strong>extensions.torbutton.shutdown_method</strong></span>
+</p></div><div class="sect2" title="5.24. Clear cookies on Tor/Non-Tor shutdown"><div class="titlepage"><div><div><h3 class="title"><a id="id2686600"></a>5.24. Clear cookies on Tor/Non-Tor shutdown</h3></div></div></div><p>Option: <span class="command"><strong>extensions.torbutton.shutdown_method</strong></span>
   </p><p> This option variable can actually take 3 values: 0, 1, and 2. 0 means no
 cookie clearing, 1 means clear only during Tor-enabled shutdown, and 2 means
 clear for both Tor and Non-Tor shutdown. When set to 1 or 2, Torbutton listens
@@ -929,7 +929,7 @@
 <code class="function">https://git.torproject.org/checkout/torbutton/master/src/components/crash-ob...</code> and use <a class="ulink" href="https://git.torproject.org/checkout/torbutton/master/src/components/cookie-jar-selector.js" target="_top">@torproject.org/cookie-jar-selector;2</a>
 to clear out all cookies and all cookie jars upon shutdown.  </p><p>
 This setting helps to satisfy the <a class="link" href="#state">State Separation</a> requirement.
-</p></div><div class="sect2" title="5.25. Reload cookie jar/clear cookies on Firefox crash"><div class="titlepage"><div><div><h3 class="title"><a id="id2934788"></a>5.25. Reload cookie jar/clear cookies on Firefox crash</h3></div></div></div><p>Options:
+</p></div><div class="sect2" title="5.25. Reload cookie jar/clear cookies on Firefox crash"><div class="titlepage"><div><div><h3 class="title"><a id="id2686655"></a>5.25. Reload cookie jar/clear cookies on Firefox crash</h3></div></div></div><p>Options:
   </p><table border="0" summary="Simple list" class="simplelist"><tr><td><span class="command"><strong>extensions.torbutton.reload_crashed_jar</strong></span></td></tr><tr><td><span class="command"><strong>extensions.torbutton.crashed</strong></span></td></tr></table><p>
   </p><p>This is no longer a user visible option, and is enabled by default. In
 the event of a crash, the Torbutton <a class="ulink" href="https://git.torproject.org/checkout/torbutton/master/src/components/crash-observer.js" target="_top">components/crash-observer.js</a> 
@@ -941,7 +941,7 @@
   component.</p><p>
 This setting helps to satisfy the <a class="link" href="#state">State Separation</a> requirement in the event of Firefox
 crashes.
-</p></div><div class="sect2" title="5.26. On crash recovery or session restored startup, restore via: Tor, Non-Tor"><div class="titlepage"><div><div><h3 class="title"><a id="id2934863"></a>5.26. On crash recovery or session restored startup, restore via: Tor, Non-Tor</h3></div></div></div><p>Options:
+</p></div><div class="sect2" title="5.26. On crash recovery or session restored startup, restore via: Tor, Non-Tor"><div class="titlepage"><div><div><h3 class="title"><a id="id2686731"></a>5.26. On crash recovery or session restored startup, restore via: Tor, Non-Tor</h3></div></div></div><p>Options:
   </p><table border="0" summary="Simple list" class="simplelist"><tr><td><span class="command"><strong>extensions.torbutton.restore_tor</strong></span></td></tr><tr><td><span class="command"><strong>extensions.torbutton.crashed</strong></span></td></tr><tr><td><span class="command"><strong>extensions.torbutton.normal_exit</strong></span></td></tr></table><p>
   </p><p>This option works with the Torbutton <a class="ulink" href="https://git.torproject.org/checkout/torbutton/master/src/components/crash-observer.js" target="_top">crash-observer.js</a> 
   to set the Tor state after a crash is detected (via the 
@@ -957,7 +957,7 @@
 requirement in the event of Firefox crashes by ensuring all cookies,
 settings and saved sessions are reloaded from a fixed Tor state.
-</p></div><div class="sect2" title="5.27. On normal startup, set state to: Tor, Non-Tor, Shutdown State"><div class="titlepage"><div><div><h3 class="title"><a id="id2934935"></a>5.27. On normal startup, set state to: Tor, Non-Tor, Shutdown State</h3></div></div></div><p>Options:
+</p></div><div class="sect2" title="5.27. On normal startup, set state to: Tor, Non-Tor, Shutdown State"><div class="titlepage"><div><div><h3 class="title"><a id="id2686802"></a>5.27. On normal startup, set state to: Tor, Non-Tor, Shutdown State</h3></div></div></div><p>Options:
   </p><table border="0" summary="Simple list" class="simplelist"><tr><td><span class="command"><strong>extensions.torbutton.startup_state</strong></span></td></tr><tr><td><span class="command"><strong>extensions.torbutton.noncrashed</strong></span></td></tr><tr><td><span class="command"><strong>extensions.torbutton.normal_exit</strong></span></td></tr></table><p>
   </p><p>This option also works with the Torbutton <a class="ulink" href="https://git.torproject.org/checkout/torbutton/master/src/components/crash-observer.js" target="_top">crash-observer.js</a> 
   to set the Tor state after a normal startup is detected (via the 
@@ -967,7 +967,7 @@
 extensions.torbutton.normal_exit in torbutton_uninstall_observer() during
 Firefox exit and checks this value as well during startup.
-</p></div><div class="sect2" title="5.28. Prevent session store from saving Non-Tor/Tor-loaded tabs"><div class="titlepage"><div><div><h3 class="title"><a id="id2934994"></a>5.28. Prevent session store from saving Non-Tor/Tor-loaded tabs</h3></div></div></div><p>Options: 
+</p></div><div class="sect2" title="5.28. Prevent session store from saving Non-Tor/Tor-loaded tabs"><div class="titlepage"><div><div><h3 class="title"><a id="id2686861"></a>5.28. Prevent session store from saving Non-Tor/Tor-loaded tabs</h3></div></div></div><p>Options: 
   </p><table border="0" summary="Simple list" class="simplelist"><tr><td><span class="command"><strong>extensions.torbutton.nonontor_sessionstore</strong></span></td></tr><tr><td><span class="command"><strong>extensions.torbutton.notor_sessionstore</strong></span></td></tr></table><p>
   </p><p>If these options are enabled, the <a class="ulink" href="https://git.torproject.org/checkout/torbutton/master/src/components/nsSessionStore3.js" target="_top">replacement nsSessionStore.js</a>
   component checks the <span class="command"><strong>__tb_tor_fetched</strong></span> tag of tabs before writing them
@@ -977,7 +977,7 @@
 requirement, and also helps to satisfy the <a class="link" href="#state">State Separation</a> requirement in the event of Firefox
 crashes.
-</p></div><div class="sect2" title="5.29. Set user agent during Tor usage (crucial)"><div class="titlepage"><div><div><h3 class="title"><a id="id2935059"></a>5.29. Set user agent during Tor usage (crucial)</h3></div></div></div><p>Options:
+</p></div><div class="sect2" title="5.29. Set user agent during Tor usage (crucial)"><div class="titlepage"><div><div><h3 class="title"><a id="id2686926"></a>5.29. Set user agent during Tor usage (crucial)</h3></div></div></div><p>Options:
    </p><table border="0" summary="Simple list" class="simplelist"><tr><td><span class="command"><strong>extensions.torbutton.set_uagent</strong></span></td></tr><tr><td><span class="command"><strong>extensions.torbutton.platform_override</strong></span></td></tr><tr><td><span class="command"><strong>extensions.torbutton.oscpu_override</strong></span></td></tr><tr><td><span class="command"><strong>extensions.torbutton.buildID_override</strong></span></td></tr><tr><td><span class="command"><strong>extensions.torbutton.productsub_override</strong></span></td></tr><tr><td><span class="command"><strong>extensions.torbutton.appname_override</strong></span></td></tr><tr><td><span class="command"><strong>extensions.torbutton.appversion_override</strong></span></td></tr><tr><td><span class="command"><strong>extensions.torbutton.useragent_override</strong></span></td></tr><tr><td><span class="command"><strong>extensions.torbutton.useragent_vendor</strong></span></td></tr><tr><td><span
  class="command"><strong>extensions.torbutton.useragent_vendorSub</strong></span></td></tr></table><p>
    </p><p>On face, user agent switching appears to be straight-forward in Firefox.
 It provides several options for controlling the browser user agent string:
@@ -1001,7 +1001,7 @@
</p><p>
 This setting helps to satisfy the <a class="link" href="#setpreservation">Anonymity Set Preservation</a> requirement.
-</p></div><div class="sect2" title="5.30. Spoof US English Browser"><div class="titlepage"><div><div><h3 class="title"><a id="id2935233"></a>5.30. Spoof US English Browser</h3></div></div></div><p>Options:
+</p></div><div class="sect2" title="5.30. Spoof US English Browser"><div class="titlepage"><div><div><h3 class="title"><a id="id2687100"></a>5.30. Spoof US English Browser</h3></div></div></div><p>Options:
 </p><table border="0" summary="Simple list" class="simplelist"><tr><td><span class="command"><strong>extensions.torbutton.spoof_english</strong></span></td></tr><tr><td><span class="command"><strong>extensions.torbutton.spoof_charset</strong></span></td></tr><tr><td><span class="command"><strong>extensions.torbutton.spoof_language</strong></span></td></tr></table><p>
 </p><p> This option causes Torbutton to set
 <span class="command"><strong>general.useragent.locale</strong></span>
@@ -1012,13 +1012,13 @@
 well as hooking <span class="command"><strong>navigator.language</strong></span> via its <a class="link" href="#jshooks" title="5.4. Hook Dangerous Javascript">javascript hooks</a>.
  </p><p>
 This setting helps to satisfy the <a class="link" href="#setpreservation">Anonymity Set Preservation</a> and <a class="link" href="#location">Location Neutrality</a> requirements.
-</p></div><div class="sect2" title="5.31. Don't send referrer during Tor Usage"><div class="titlepage"><div><div><h3 class="title"><a id="id2935326"></a>5.31. Don't send referrer during Tor Usage</h3></div></div></div><p>Option: <span class="command"><strong>extensions.torbutton.disable_referer</strong></span>
+</p></div><div class="sect2" title="5.31. Don't send referrer during Tor Usage"><div class="titlepage"><div><div><h3 class="title"><a id="id2687193"></a>5.31. Don't send referrer during Tor Usage</h3></div></div></div><p>Option: <span class="command"><strong>extensions.torbutton.disable_referer</strong></span>
 </p><p> 
 This option causes Torbutton to set <a class="ulink" href="http://kb.mozillazine.org/Network.http.sendSecureXSiteReferrer" target="_top">network.http.sendSecureXSiteReferrer</a> and
 <a class="ulink" href="http://kb.mozillazine.org/Network.http.sendRefererHeader" target="_top">network.http.sendRefererHeader</a> during Tor usage.</p><p>
 This setting also does not directly satisfy any Torbutton requirement, but
 some may desire to mask their referrer for general privacy concerns.
-</p></div><div class="sect2" title="5.32. Strip platform and language off of Google Search Box queries"><div class="titlepage"><div><div><h3 class="title"><a id="id2935366"></a>5.32. Strip platform and language off of Google Search Box queries</h3></div></div></div><p>Option: <span class="command"><strong>extensions.torbutton.fix_google_srch</strong></span>
+</p></div><div class="sect2" title="5.32. Strip platform and language off of Google Search Box queries"><div class="titlepage"><div><div><h3 class="title"><a id="id2687234"></a>5.32. Strip platform and language off of Google Search Box queries</h3></div></div></div><p>Option: <span class="command"><strong>extensions.torbutton.fix_google_srch</strong></span>
 </p><p>
This option causes Torbutton to use the <a class="ulink" href="https://wiki.mozilla.org/Search_Service:API" target="_top">@mozilla.org/browser/search-service;1</a>
@@ -1028,7 +1028,7 @@
</p><p>
 This setting helps Torbutton to fulfill its <a class="link" href="#setpreservation">Anonymity Set Preservation</a> requirement.
-</p></div><div class="sect2" title="5.33. Automatically use an alternate search engine when presented with a Google Captcha"><div class="titlepage"><div><div><h3 class="title"><a id="id2935407"></a>5.33. Automatically use an alternate search engine when presented with a
+</p></div><div class="sect2" title="5.33. Automatically use an alternate search engine when presented with a Google Captcha"><div class="titlepage"><div><div><h3 class="title"><a id="id2687274"></a>5.33. Automatically use an alternate search engine when presented with a
 Google Captcha</h3></div></div></div><p>Options:
 </p><table border="0" summary="Simple list" class="simplelist"><tr><td><span class="command"><strong>extensions.torbutton.asked_google_captcha</strong></span></td></tr><tr><td><span class="command"><strong>extensions.torbutton.dodge_google_captcha</strong></span></td></tr><tr><td><span class="command"><strong>extensions.torbutton.google_redir_url</strong></span></td></tr></table><p>
 </p><p>
@@ -1049,11 +1049,11 @@
 As a result, we've implemented this option as an <a class="ulink" href="https://developer.mozilla.org/en/XUL_School/Intercepting_Page_Loads#HTTP_Observers" target="_top">'http-on-modify-request'</a>
 http observer to optionally redirect banned or captcha-triggering Google
 queries to search engines that do not rate limit Tor users. The current
-options are ixquick.com, bing.com, yahoo.com and scroogle.org. These are
+options are duckduckgo.com, ixquick.com, bing.com, yahoo.com and scroogle.org. These are
 encoded in the preferences
-<span class="command"><strong>extensions.torbutton.redir_url.[1-4]</strong></span>.
+<span class="command"><strong>extensions.torbutton.redir_url.[1-5]</strong></span>.
-</p></div><div class="sect2" title="5.34. Store SSL/CA Certs in separate jars for Tor/Non-Tor (recommended)"><div class="titlepage"><div><div><h3 class="title"><a id="id2935487"></a>5.34. Store SSL/CA Certs in separate jars for Tor/Non-Tor (recommended)</h3></div></div></div><p>Options:
+</p></div><div class="sect2" title="5.34. Store SSL/CA Certs in separate jars for Tor/Non-Tor (recommended)"><div class="titlepage"><div><div><h3 class="title"><a id="id2687355"></a>5.34. Store SSL/CA Certs in separate jars for Tor/Non-Tor (recommended)</h3></div></div></div><p>Options:
 </p><table border="0" summary="Simple list" class="simplelist"><tr><td><span class="command"><strong>extensions.torbutton.jar_certs</strong></span></td></tr><tr><td><span class="command"><strong>extensions.torbutton.jar_ca_certs</strong></span></td></tr></table><p>
 </p><p>
@@ -1108,11 +1108,15 @@
As <a class="link" href="#fingerprinting">mentioned above</a>, a large amount of
 information is available from <a class="ulink" href="http://developer.mozilla.org/en/docs/DOM:window.screen" target="_top">window.screen</a>.
+The most sensative data to anonymity is actually that which is not used in
+rendering - such as desktop resolution, and window decoration size.
 Currently, there is no way to obscure this information without Javascript
-hooking. This bug is a feature request to provide some other method to change
-these values. This bug interferes with Torbutton's ability to fulfill its
-<a class="link" href="#setpreservation">Anonymity Set Preservation</a>
-requirement.
+hooking. In addition, many of this same desktop and window decoration
+resolution information is available via <a class="ulink" href="https://developer.mozilla.org/En/CSS/Media_queries" target="_top">CSS Media
+Queries</a>, so perhaps some more lower-level rendering controls or
+preferences need to be provided. These issues interfere with Torbutton's
+ability to fulfill its <a class="link" href="#setpreservation">Anonymity Set
+Preservation</a> requirement.
</p></li><li class="listitem"><a class="ulink" href="https://bugzilla.mozilla.org/show_bug.cgi?id=435159" target="_top">Bug 435159 -
 nsNSSCertificateDB::DeleteCertificate has race conditions</a><p>
@@ -1141,7 +1145,14 @@
 javascript engine and processor, and apparently also a user's typing cadence.
 This bug hinders Torbutton's ability to satisfy its <a class="link" href="#setpreservation">Anonymity Set Preservation</a> requirement.
-      </p></li><li class="listitem"><a class="ulink" href="https://bugzilla.mozilla.org/show_bug.cgi?id=409737" target="_top">Bug 409737 -
+      </p></li><li class="listitem"><a class="ulink" href="https://bugzilla.mozilla.org/show_bug.cgi?id=122752" target="_top">SOCKS
+Username/Password Support</a><p>
+We need <a class="ulink" href="https://developer.mozilla.org/en/nsIProxyInfo" target="_top">Firefox
+APIs</a> or about:config settings to conrol the SOCKS Username and
+Password fields. The reason why we need this support is to utilize an (as yet
+unimplemented) scheme to separate Tor traffic based <a class="ulink" href="https://gitweb.torproject.org/torspec.git/blob_plain/HEAD:/proposals/171-separate-streams.txt" target="_top">on
+SOCKS username/password</a>.
+    </p></li><li class="listitem"><a class="ulink" href="https://bugzilla.mozilla.org/show_bug.cgi?id=409737" target="_top">Bug 409737 -
 javascript.enabled and docShell.allowJavascript do not disable all event
 handlers</a><p>
@@ -1393,13 +1404,13 @@
 with a bit of work.
</p></li></ol></div><p>
-    </p></div><div class="sect2" title="7.2. Multi-state testing"><div class="titlepage"><div><div><h3 class="title"><a id="id2936532"></a>7.2. Multi-state testing</h3></div></div></div><p>
+    </p></div><div class="sect2" title="7.2. Multi-state testing"><div class="titlepage"><div><div><h3 class="title"><a id="id2688437"></a>7.2. Multi-state testing</h3></div></div></div><p>
The tests in this section are geared towards a page that would instruct the
 user to toggle their Tor state after the fetch and perform some operations:
 mouseovers, stray clicks, and potentially reloads.
-   </p><div class="sect3" title="Cookies and Cache Correlation"><div class="titlepage"><div><div><h4 class="title"><a id="id2936545"></a>Cookies and Cache Correlation</h4></div></div></div><p>
+   </p><div class="sect3" title="Cookies and Cache Correlation"><div class="titlepage"><div><div><h4 class="title"><a id="id2688449"></a>Cookies and Cache Correlation</h4></div></div></div><p>
 The most obvious test is to set a cookie, ask the user to toggle tor, and then
 have them reload the page. The cookie should no longer be set if they are
 using the default Torbutton settings. In addition, it is possible to leverage
@@ -1407,11 +1418,11 @@
 identifiers</a>. The default settings of Torbutton should also protect
 against these from persisting across Tor Toggle.
-    </p></div><div class="sect3" title="Javascript timers and event handlers"><div class="titlepage"><div><div><h4 class="title"><a id="id2936567"></a>Javascript timers and event handlers</h4></div></div></div><p>
+    </p></div><div class="sect3" title="Javascript timers and event handlers"><div class="titlepage"><div><div><h4 class="title"><a id="id2688472"></a>Javascript timers and event handlers</h4></div></div></div><p>
Javascript can set timers and register event handlers in the hopes of fetching
 URLs after the user has toggled Torbutton. 
-    </p></div><div class="sect3" title="CSS Popups and non-script Dynamic Content"><div class="titlepage"><div><div><h4 class="title"><a id="id2936580"></a>CSS Popups and non-script Dynamic Content</h4></div></div></div><p>
+    </p></div><div class="sect3" title="CSS Popups and non-script Dynamic Content"><div class="titlepage"><div><div><h4 class="title"><a id="id2688484"></a>CSS Popups and non-script Dynamic Content</h4></div></div></div><p>
Even if Javascript is disabled, CSS is still able to 
 <a class="ulink" href="http://www.tjkdesign.com/articles/css%20pop%20ups/" target="_top">create popup-like
@@ -1436,7 +1447,7 @@
 submitting the test cases back to be run in the standard batch of Torbutton
 tests.
-   </p><div class="sect3" title="Some suggested vectors to investigate"><div class="titlepage"><div><div><h4 class="title"><a id="id2936635"></a>Some suggested vectors to investigate</h4></div></div></div><p>
+   </p><div class="sect3" title="Some suggested vectors to investigate"><div class="titlepage"><div><div><h4 class="title"><a id="id2688539"></a>Some suggested vectors to investigate</h4></div></div></div><p>
     </p><div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem">Strange ways to register Javascript <a class="ulink" href="http://en.wikipedia.org/wiki/DOM_Events" target="_top">events</a> and <a class="ulink" href="http://www.devshed.com/c/a/JavaScript/Using-Timers-in-JavaScript/" target="_top">timeouts</a> should
 be verified to actually be ineffective after Tor has been toggled.</li><li class="listitem">Other ways to cause Javascript to be executed after
 <span class="command"><strong>javascript.enabled</strong></span> has been toggled off.</li><li class="listitem">Odd ways to attempt to load plugins. Kyle Williams has had

    