# HG changeset patch
# User Gijs Kruitbosch <gijskruitbosch@gmail.com>
# Date 1558333191 0
# Node ID 6fefc560ddc453a3a41dc1048a917f0cc0d69655
# Parent  bf1eba522c2b5f4e527d5b5818d32a38045bc784
Bug 1552627 - pt 2, r=dveditz

Depends on D31722

Differential Revision: https://phabricator.services.mozilla.com/D31723

diff --git a/modules/libpref/init/all.js b/modules/libpref/init/all.js
--- a/modules/libpref/init/all.js
+++ b/modules/libpref/init/all.js
@@ -1607,16 +1607,19 @@ pref("network.disable.ipc.security", fal
 pref("network.protocol-handler.external-default", true);      // OK to load
 pref("network.protocol-handler.warn-external-default", true); // warn before load
 
 // Prevent using external protocol handlers for these schemes
 pref("network.protocol-handler.external.hcp", false);
 pref("network.protocol-handler.external.vbscript", false);
 pref("network.protocol-handler.external.javascript", false);
 pref("network.protocol-handler.external.data", false);
+pref("network.protocol-handler.external.ie.http", false);
+pref("network.protocol-handler.external.iehistory", false);
+pref("network.protocol-handler.external.ierss", false);
 pref("network.protocol-handler.external.ms-help", false);
 pref("network.protocol-handler.external.res", false);
 pref("network.protocol-handler.external.shell", false);
 pref("network.protocol-handler.external.vnd.ms.radio", false);
 #ifdef XP_MACOSX
 pref("network.protocol-handler.external.help", false);
 #endif
 pref("network.protocol-handler.external.disk", false);