If your office has an always-on internet connection, use Zone Alarm’s Internet Lock Features to protect your machine in your absence . To enable this , Right – click on the zone Alarm icon in the system tray and choose ‘ Restore Zone Alarm Control Center‘ . Click on the Lock icon on the top to stop the internet access . The internet Lock is disabled by default . In the automatic lock window , click on the Custom button . You will See a set of option . From that Click on the ‘ Lock after … minutes of inactivity ‘ option and set the time to , say 20 minutes .
You can also configure the lock option to either completely disable Internet access when it engages , or let you use some programs to access the internet option is particularly useful when you kept some program running to download from the Internet and you are away from the computer .