User guide

178 WatchGuard Firebox X Edge
ISAKMP (Internet Security Association Key Management Protocol)
Defines the procedures for authenticating a communicating peer, creation and
management of security associations, key generation techniques, and threat
mitigation; for example, denial of service and replay attacks.
ISO (International Organization for Standardization)
An organization responsible for a wide range of standards, like the OSI model
and international relationship with ANSI on X.509.
ISP (Internet service provider)
A business that sells access to the Internet. A government organization or an
educational institution may be the ISP for some organizations.
ITU-T (International Telecommunication Union-Telecommunication)
Formerly the CCITT (Consultative Committee for International Telegraph and
Telephone), a worldwide telecommunications technology standards
organization.
IV
See
initialization vector .
Java applet
A program written in the Java programming language that can be included on
an HTML page, much in the same way an image is included. When someone
uses a Java technology–enabled browser to view a page that contains an applet,
the applet’s code is transferred to that user’s system and carried out by the
browser's Java virtual machine (JVM).
Kerberos
A trusted third-party authentication protocol developed at Massachusetts
Institute of Technology.
key
A means of gaining or preventing access, possession, or control represented by
any one of a large number of values.
key exchange
A scheme for two or more nodes to transfer a secret session key across an
unsecured channel.
key fingerprint
A uniquely identifying string of numbers and characters used to authenticate
public keys.
key ID
A code that uniquely identifies a key pair. Two key pairs can have the same user
ID, but they have different key IDs.
key length
The number of bits representing the key size; the longer the key, the stronger it
is.