User guide

CHAPTER 11: Glossary
160 WatchGuard Firebox System 6.0
proxy server
A server that stands in place of another server. In firewalling, a
proxy server poses as a specific service but has more rigid access
and routing rules.
protocol
An agreed-upon format for transmitting data between two
devices. The protocol determines the following: the type of error
checking to be used, data compression method, if any; how the
sending device will indicate that it has finished sending a
message, and how the receiving device will indicate that it has
received a message.
pseudo-random number
A number that results from applying randomizing algorithms to
input derived from the computing environment, such as mouse
coordinates. See also random number.
Public Key Crypto Standards
A set of standards for public key cryptography developed in
cooperation with an informal consortium (Apple, DEC, Lotus,
Microsoft, MIT, RSA, and Sun) that includes algorithm-specific
and algorithm-independent implementation standards.
Public Key Infrastructure
A widely available and accessible certificate system for obtaining
an entity’s public key.
QuickSetup Wizard
A wizard that creates a basic Firebox configuration. It consists of a
series of windows that prompt for essential configuration
information for drop-in or advanced network installations.
RADIUS (Remote Authentication Dial-In User Service)
A protocol for distributed security that secures remote access to
networks and network services against unauthorized access.
RADIUS consists of two pieces–authentication server code and
client protocols.
random number
A necessary element in generating unique keys that are
unpredictable to an adversary. True random numbers are