Watchguard Firebox X1000 Reference Manual page 157

Reference Guide
that must be used for interoperability (RSA, RC2, SHA-1) and the
additional operational concerns such as ANSI X.509 certificates
and transport over the Internet.
SMS (Security Management System)
The former name of the GUI used to configure a Firebox. Now
known as WatchGuard Policy Manager.
SMTP (Simple Mail Transfer Protocol)
A protocol for sending electronic messages between servers.
social engineering attack
An attack in which an individual is persuaded or tricked into
divulging privileged information to an attacker.
SOCKS
A protocol for handling TCP traffic through a proxy server. It can
be used with virtually any TCP application, including Web
browsers and FTP clients. It provides a simple firewall because it
checks incoming and outgoing packets and hides the IP addresses
of client applications.
SOHO
Small Office—Home Office. Also the name of the WatchGuard
firewall devices designed for this segment of the market.
spam
Unsolicited email sent to many recipients, much like an electronic
version of junk mail.
spoofing
Altering packets to falsely identify the originating computer to
confuse or attack another computer. The originating computer is
usually misidentified as a trusted computer within an
organization.
SSL
See Secure Sockets Layer.
stance
The policy of a firewall regarding the default handling of IP
packets. Stance dictates what the firewall will do with any given
packet in the absence of explicit instructions. The WatchGuard
default stance is to discard all packets that are not explicitly
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