User guide

CHAPTER 11: Glossary
164 WatchGuard Firebox System 6.0
server
A computer that provides shared resources to network users.
server-based network
A network in which all client computers use a dedicated central
server computer for network functions such as storage, security,
and other resources.
Server Message Block (SMB)
A message format used by DOS and Windows to share files,
directories, and devices. NetBIOS is based on the SMB format, and
many network products use SMB. These SMB-based networks
include LAN Manager, Windows for Workgroups, Windows NT,
and LAN Server.
Services Arena
An area in Policy Manager that displays the icons that represent
the services (proxied and filtered) configured for a Firebox.
ServiceWatch
A graphical monitor that provides a real-time display that graphs
how many connections exist, by service.
session key
The secret (symmetric) key used to encrypt each set of data on a
transaction basis. A different session key is used for each
communication session.
session stealing
An intrusion maneuver whereby a hacker sends a command to an
already existing connection in order to have that command
provide the information needed to stage a separate attack.
setup keys (IKE)
IKE keys responsible for creating a security association.
SHA-1 (Secure Hash Algorithm)
The 1994 revision to SHA, developed by NIST, (FIPS 180-1). When
used with DSS, it produces a 160-bit hash, similar to MD4.
shared secret
A passphrase or password that is the same on the host and the
client computer. It is used for authentication.