-- PlanetLab: Replace default user login block with PlanetLab login block
update blocks set module='planetlab' where module='user' and delta='0';
+
+
+-- Disallow anonymous users to register
+--
+-- an already populated database may have the variable 'user_register'
+-- set. In that case you can update the value and clear the cache.
+--
+-- update variable set value='s:1:"0";' where name='user_register';
+-- delete from cache;
+--
+insert into variable (name, value) values ('user_register', 's:1:"0";');
+