Check the following instruction on how to install and connect the Mobile VPN with SSL client to access school's shareserver 192.168.30.22 outside the school.
1. Download SSL VPN Client Software
Connect to https://188.8.131.52:4433 with a web browser, then type your Username and Password as same as Veracross login information.
Then choose the correct installer for your operation system, save the file to your computer and install.
2. Click the "WatchGuard Mobile VPN With SSL" application on Mac OS from Application > WatchGuard, Server 184.108.40.206:4433 , username and password same before, then click "Connect" , the VPN connection should be established.
Now you can securely connect to school server 192.168.30.22 from "Go > Connect to Server" using SMB protocol on your Client.