User guide

190 WatchGuard Firebox X Edge
segment
One or more nodes in a network. Segments are connected to subnets by hubs
and repeaters.
self-extracting file
A compressed file that automatically decompresses when double-clicked.
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.
SHTTP
See
HTTPS .