From fe12ebf6197cb0dbe82f267d0a11f3aa72c7fb21 Mon Sep 17 00:00:00 2001
From: Michael Kaply <consulting@kaply.com>
Date: Fri, 16 Mar 2018 12:38:06 -0500
Subject: [PATCH 1/1] Policy for DisableSysAddonUpdate. Fixes #6

---
 README.md                  |  9 +++++++++
 windows/en-US/firefox.adml |  2 ++
 windows/firefox.admx       | 10 ++++++++++
 3 files changed, 21 insertions(+)

diff --git a/README.md b/README.md
index 5279a74..1d81e0e 100644
--- a/README.md
+++ b/README.md
@@ -134,6 +134,15 @@ This policy removes access to private browsing
   }
 }
 ```
+### DisableSysAddonUpdate
+This policy prevents system add-ons from being updated or installed.
+```
+{
+  "policies": {
+    "DisableSysAddonUpdate": true
+  }
+}
+```
 ### DisplayBookmarksToolbar
 This policy turns on the bookmarks toolbar by default. A user can still turn it off and it will stay off.
 ```
diff --git a/windows/en-US/firefox.adml b/windows/en-US/firefox.adml
index ddc541d..267c244 100644
--- a/windows/en-US/firefox.adml
+++ b/windows/en-US/firefox.adml
@@ -43,6 +43,8 @@
       <string id="DisablePocket_Explain">Prevents ability to save webpages to Pocket.</string>
       <string id="DisablePrivateBrowsing">Disable Private Browsing</string>
       <string id="DisablePrivateBrowsing_Explain">Disables private browsing.</string>
+      <string id="DisableSysAddonUpdate">Disable System Addon Updates</string>
+      <string id="DisableSysAddonUpdate_Explain">Prevent the browser from installing and updating system addons.</string>
       <string id="DisplayBookmarksToolbar">Display Bookmarks Toolbar</string>
       <string id="DisplayBookmarksToolbar_Explain">Causes the bookmarks toolbar to be displayed by default.</string>
       <string id="DisplayMenuBar">Display Menu Bar</string>
diff --git a/windows/firefox.admx b/windows/firefox.admx
index d5eb83f..abbd0a8 100644
--- a/windows/firefox.admx
+++ b/windows/firefox.admx
@@ -168,6 +168,16 @@
         <decimal value="0"/>
       </disabledValue>
     </policy>
+    <policy name="DisableSysAddonUpdate" class="Both" displayName="$(string.DisableSysAddonUpdate)" explainText="$(string.DisableSysAddonUpdate_Explain)" key="Software\Policies\Mozilla\Firefox" valueName="DisableSysAddonUpdate">
+      <parentCategory ref="firefox"/>
+      <supportedOn ref="SUPPORTED_WINXPSP2"/>
+      <enabledValue>
+        <decimal value="1"/>
+      </enabledValue>
+      <disabledValue>
+        <decimal value="0"/>
+      </disabledValue>
+    </policy>
     <policy name="DisplayBookmarksToolbar" class="Both" displayName="$(string.DisplayBookmarksToolbar)" explainText="$(string.DisplayBookmarksToolbar_Explain)" key="Software\Policies\Mozilla\Firefox" valueName="DisplayBookmarksToolbar">
       <parentCategory ref="firefox"/>
       <supportedOn ref="SUPPORTED_WINXPSP2"/>
-- 
2.34.1