You can connect to the school network via VPN
The parameters required for connecting:
VPN Type: Cisco IPSec
Server Address: firewall.cdnis.edu.hk
Account Name: <YOUR LDAP ACCOUNT>
Password: <YOUR LDAP PASSWORD>
Shared Secret: cdnis
Certificate: <NOT ENABLED/SELECTED>
Group Name: cdnis
Here’s how you configure this on your Mac OSX:
You can change your password from the Users & Groups pane of System Preferences.
1. Log into your Mac.
2. From the Apple menu, choose System Preferences.
3. Click the Users & Groups icon in the System Preferences window.
4. Select your user name from the list of users and click Change Password, then follow the onscreen prompts.