Glossary
Firewall
Hardware device or software which provides security from external malicious attack for a network or PC whilst it is connected to the Internet. Can also provide web filtering services and VPN capability.
Related glossary terms
Other resources
If you can't find the term you're looking for here, try one of the
following sites:
UT Dallas Information Resources
The Ultimate Computer Acronyms Archive
Webopedia
Whatis.com
Wikipedia