--- a/firefox.rst	Mon Dec 23 23:14:49 2013 +0200
+++ b/firefox.rst	Wed Dec 25 10:32:37 2013 +0200
@@ -505,3 +505,12 @@
 
 At URI type some thing like "javascript: 4+5"
 
+Disable safe browsing.
+======================
+::
+
+  user_pref("browser.safebrowsing.enabled", false);
+  user_pref("browser.safebrowsing.malware.enabled", false);
+  user_pref("services.sync.prefs.sync.browser.safebrowsing.enabled", false);
+  user_pref("services.sync.prefs.sync.browser.safebrowsing.malware.enabled;false", false);
+