Watchguard Firebox X1000 Reference Manual page 159

Reference Guide
SYN flood attack
A method of denying service to legitimate users by overloading a
network with illegitimate TCP connection attempts.
syslog
An industry-standard protocol used for capturing log information
for devices on a network. Syslog support is included in Unix-
based and Linux-based systems.
System Manager
A WatchGuard toolkit of applications run from a single location,
enabling configuration, management, and monitoring of a
network security policy. Formerly called Control Center.
TCP (Transmission Control Protocol)
A reliable byte-streaming protocol that implements a virtual
connection. Most long-haul traffic on the Internet uses TCP.
TCP/IP (Transmission Control Protocol/Internet Protocol)
A common networking protocol with the ability to connect
different elements.
TCP session hijacking
An intrusion in which an individual takes over a TCP session
between two machines. A hacker can gain access to a machine
because most authentication occurs only at the start of the TCP
session.
Telnet
A terminal emulation program for TCP/IP networks. It runs on a
computer and connects a workstation to a server on a network.
terminator
A resistor at the end of an Ethernet cable that absorbs energy to
prevent reflected energy back along the cable (signal bounce). It is
usually attached to an electrical ground at one end.
Thick Ethernet cable
Industry-standard Ethernet cable or any other cable that uses the
IEEE 802.3 Media Access Unit interface. Also called 10-BASE-5.
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