You should NOT have the permission to the link below, since www.sina.com.cn is not whitelisted in the config.xml
http://www.sina.com.cn

You should NOT get the value of blackberry.system.model, since blackberry.system is Not whitelisted locally!

You should be able to go to the link below, but you should NOT be able to get the expected result, since blackberry.app is Not whitelisted on atg05-yyz.rim.net!
http://atg05-yyz.labyyz.testnet.rim.net/WebWork_Playbook/blackberry/app/app_default.htm