Use a Personal Firewall
Windows and Macintosh systems both have built-in firewalls.
For the majority of personal computer users, these firewalls represent
a good compromise between ease of use and security. You should
enable your system’s built-in firewall:
Windows
- In the Control Panel, choose Windows Firewall
- On the General tab, choose On (recommended)
- Click Ok.
Macintosh
- Go to the Apple menu,
and select System Preferences
- Choose Sharing under “Internet &
Network”
- Choose Firewall
- Click Start to enable the firewall
- Place a check in the boxes for any ports you wish to
allow traffic from
- Close the window when you are finished
If you decide to install a third party firewall on your
computer, then you should disable your operating system’s
built-in firewall. There should never be more than one firewall
enabled on a single computer. Also, installing a third-party firewall
can have unexpected side effects, including an inability to access the
Internet. Be prepared to do a bit of troubleshooting if you choose to
go beyond using the basic, built-in firewall that comes with your
operating system.
Office of Information Technology
Ohio University
Athens, OH 45701
Service Desk: (740) 593-1222 or servicedesk@ohio.edu
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