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298 Glossary
virtual user An alternate email address (short name) for a user. Similar to an alias, but
it involves creating another user account.
VPN Virtual Private Network. A network that uses encryption and other technologies
to provide secure communications over a public network, typically the Internet. VPNs
are generally cheaper than real private networks using private lines but rely on having
the same encryption system at both ends. The encryption may be performed by
firewall software or by routers.
WebDAV Web-based Distributed Authoring and Versioning. A live authoring
environment that allows client users to check out webpages, make changes, and then
check the pages back in while a site is running.
WebDAV realm A region of a website, usually a folder or directory, that’s defined to
provide access for WebDAV users and groups.
wildcard A range of possible values for any segment of an IP address.
WINS Windows Internet Naming Service. A name resolution service used by Windows
computers to match client names with IP addresses. A WINS server can be located on
the local network or externally on the Internet.
workgroup A set of users for whom you define preferences and privileges as a group.
Any preferences you define for a group are stored in the group account.