User guide

User Guide 195
URL (Universal Resource Locator)
The user-friendly address that identifies the location of a Web site such as http:/
/www.watchguard.com.
validation
A means to provide timeliness of authorization to use or manipulate information
or resources.
verification
The act of comparing a signature created with a private key to its public key.
Verification proves that the information was actually sent by the signer and that
the message has not been subsequently altered by anyone else.
VPN (virtual private network)
A virtual, secured network over a public or unsecure network (such as the
Internet) where the alternative—a dedicated physical network—is either
prohibitively expensive or impossible to create. Companies with branch offices
commonly use VPNs to connect multiple locations.
WAN (wide area network)
A computer network that spans a relatively large geographical area. Typically, a
WAN consists of two or more local area networks (LANs).
WatchGuard installation directory
The directory into which the WatchGuard Firebox System software is installed by
default.
WatchGuard LiveSecurity Service
Part of the WatchGuard Firebox System offering, separate from the software and
the Firebox, which keeps network defenses current. It includes the broadcast
network that transmits alerts, editorials, threat responses, and software updates
via email; a technical support contract; and a Web site containing information,
archives, online training, and the latest software.
WatchGuard Security Event Processor (WSEP)
A program that controls notification and logging on the log hosts. It provides
critical timing services for the Firebox and includes its own GUI.
Web browser
Software that interprets and displays documents formatted for the Internet or
an intranet.
Web of Trust
A distributed trust model used by PGP to validate the ownership of a public key.
Web page
A single HTML-formatted file.
Web site
A collection of Web pages located in the directory tree under a single home
page.