diff --git a/.abf.yml b/.abf.yml
index dc7c235..9b8415b 100644
--- a/.abf.yml
+++ b/.abf.yml
@@ -1,3 +1,3 @@
 sources:
-  firefox-27.0.1.source.tar.bz2: 29dc759e36f2b9381e80ac48ce59635ea25033dc
   firefox-28.0.source.tar.bz2: f78517836ceca0cd2a0d3db1f282985c616e3fae
+  firefox-searchengines-bing.xml: ccdb7c0cc2d288714f70f8a92f0adfc2766f2b36
diff --git a/firefox-searchengines-bing.xml b/firefox-searchengines-bing.xml
deleted file mode 100644
index 4a16cfb..0000000
--- a/firefox-searchengines-bing.xml
+++ /dev/null
@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<OpenSearchDescription xmlns="http://a9.com/-/spec/opensearch/1.1/">
-    <ShortName>Bing</ShortName>
-    <Tags>Bing</Tags>
-    <Description>Bing. Search by Microsoft.</Description>
-    <Contact>msosa@microsoft.com</Contact>
-    <InputEncoding>UTF-8</InputEncoding>
-    <SyndicationRight>limited</SyndicationRight>
-    <Image width="16" height="16" type="image/x-icon">http://www.bing.com/favicon.ico</Image>
-    <Url type="text/html" template="http://www.bing.com/search?q={searchTerms}&amp;form=OSDSRC"/>
-    <Url type="application/x-suggestions+json" template="http://api.bing.com/osjson.aspx?query={searchTerms}&amp;language={language}&amp;form=OSDJAS" />
-</OpenSearchDescription>
diff --git a/firefox.spec b/firefox.spec
index 90a9dec..e7fa590 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -30,7 +30,7 @@ Summary:	Next generation web browser
 Name:		firefox
 Version:	%{major}
 Epoch:		%{ff_epoch}
-Release:	1
+Release:	3
 License:	MPLv1+
 Group:		Networking/WWW
 Url:		http://www.mozilla.com/firefox/
@@ -297,26 +297,30 @@ rm -f %{buildroot}%{mozillalibdir}/README.txt
 rm -f %{buildroot}%{mozillalibdir}/removed-files
 rm -f %{buildroot}%{mozillalibdir}/precomplete
 
-install -D -m644 browser/app/profile/prefs.js %{buildroot}%{mozillalibdir}/defaults/profile/prefs.js
-cat << EOF >> %{buildroot}%{mozillalibdir}/defaults/profile/prefs.js
-user_pref("browser.EULA.override", true);
-user_pref("browser.shell.checkDefaultBrowser", false);
-user_pref("browser.ctrlTab.previews", true);
-user_pref("browser.tabs.insertRelatedAfterCurrent", false);
-user_pref("browser.startup.homepage", "file:///usr/share/doc/HTML/index.html");
-#user_pref("browser.startup.homepage_override.mstone", "ignore");
-user_pref("browser.backspace_action", 2);
-user_pref("browser.display.use_system_colors", true);
-user_pref("browser.download.folderList", 1);
-user_pref("browser.link.open_external", 3);
-user_pref("app.update.auto", false);
-user_pref("app.update.enabled", false);
-user_pref("app.update.autoInstallEnabled", false);
-user_pref("security.ssl.require_safe_negotiation", false);
-user_pref("dom.ipc.plugins.enabled.nswrapper*", false);
-user_pref("extensions.autoDisableScopes", 0);
-user_pref("extensions.shownSelectionUI", true);
-user_pref("network.manage-offline-status", true);
+cat << EOF >> %{buildroot}%{mozillalibdir}/firefox.cfg
+#code
+pref("browser.rights.3.shown", false);
+pref("browser.startup.homepage", "file:///usr/share/doc/HTML/index.html");
+pref("browser.shell.checkDefaultBrowser", false);
+pref("browser.startup.homepage_override.mstone", "ignore");
+pref("browser.ctrlTab.previews", true);
+pref("browser.tabs.insertRelatedAfterCurrent", false);
+pref("browser.backspace_action", 2);
+pref("browser.display.use_system_colors", true);
+pref("browser.download.folderList", 1);
+pref("browser.link.open_external", 3);
+pref("app.update.auto", false);
+pref("app.update.enabled", false);
+pref("app.update.autoInstallEnabled", false);
+pref("security.ssl.require_safe_negotiation", false);
+pref("dom.ipc.plugins.enabled.nswrapper*", false);
+pref("extensions.autoDisableScopes", 0);
+pref("extensions.shownSelectionUI", true);
+pref("network.manage-offline-status", true);
+EOF
+cat << EOF >> %{buildroot}%{mozillalibdir}/defaults/pref/config-prefs.js
+pref("general.config.filename", "firefox.cfg");
+pref("general.config.obscure_value", 0); // use this to disable the byte-shift
 EOF
 
 # display icon for Firefox button