User guide

196 WatchGuard Firebox X Edge
WebBlocker
An optional WatchGuard software module that blocks users behind the Firebox
from accessing undesirable Web sites based on content type, time of day, and/or
specific URL.
WINS (Windows Internet Name Service)
WINS provides name resolution for clients running Windows NT and earlier
versions of Microsoft operating systems. With name resolution, users access
servers by name rather than needing to use an IP address.
wizard
A tool that guides a user through a complex task by asking questions and then
performing the task based on responses.
World Wide Web (WWW)
The collection of available information on the Internet viewable using a Web
browser.
World Wide Web Consortium (W3C)
An international industry consortium founded in 1994 to develop common
protocols for the evolution of the World Wide Web.
worm
A program that seeks access into other computers. After a worm penetrates
another computer, it continues seeking access to other areas. Worms often steal
or vandalize computer data. Many viruses are actually worms that use email or
database systems to propagate themselves to other victims.
XOR
Exclusive-or operation; a mathematical way to represent differences.
X.509v3
An ITU-T digital certificate that is an internationally recognized electronic
document used to prove identity and public key ownership over a
communication network. It contains the issuer’s name, the user’s identifying
information, and the issuer’s digital signature, as well as other possible
extensions in version 3.