Turn On Your Firewall
A firewall monitors network and internet traffic coming into and going out of your computer, protecting you from the threat of viruses. Firewalls either block or allow traffic, based on what your settings permit.
Adjusting your firewall settings
All computers supported by TMU Computing and Communications Services come with firewalls built in.
Firewall settings vary by manufacturer, allowing access to different users, applications and ports. Learn how to change your firewall settings depending by your operating system: