diff -Nru mediawiki-1.21.2.orig/includes/DefaultSettings.php mediawiki-1.21.2/includes/DefaultSettings.php
--- mediawiki-1.21.2.orig/includes/DefaultSettings.php	2013-09-03 20:56:39.000000000 +0200
+++ mediawiki-1.21.2/includes/DefaultSettings.php	2013-09-16 15:05:04.329722387 +0200
@@ -3914,7 +3914,7 @@
  * Should editors be required to have a validated e-mail
  * address before being allowed to edit?
  */
-$wgEmailConfirmToEdit = false;
+$wgEmailConfirmToEdit = true;
 
 /**
  * Permission keys given to users in each group.
@@ -3946,14 +3946,14 @@
 // Implicit group for all visitors
 $wgGroupPermissions['*']['createaccount'] = true;
 $wgGroupPermissions['*']['read'] = true;
-$wgGroupPermissions['*']['edit'] = true;
-$wgGroupPermissions['*']['createpage'] = true;
-$wgGroupPermissions['*']['createtalk'] = true;
+$wgGroupPermissions['*']['edit'] = false;
+$wgGroupPermissions['*']['createpage'] = false;
+$wgGroupPermissions['*']['createtalk'] = false;
 $wgGroupPermissions['*']['writeapi'] = true;
 #$wgGroupPermissions['*']['patrolmarks'] = false; // let anons see what was patrolled
 
 // Implicit group for all logged-in accounts
-$wgGroupPermissions['user']['move'] = true;
+$wgGroupPermissions['user']['move'] = false;
 $wgGroupPermissions['user']['move-subpages'] = true;
 $wgGroupPermissions['user']['move-rootuserpages'] = true; // can move root userpages
 $wgGroupPermissions['user']['movefile'] = true;