User guide

User Guide 175
host route
A setup in which an additional router is behind the Firebox and one host is
behind that router. A host route must be configured to inform the Firebox of
this additional host behind the additional router.
HostWatch
A WatchGuard Firebox System application that provides a real-time display of
the hosts that are connected from behind the Firebox to hosts on the Internet.
HTML (HyperText Markup Language)
A set of rules used to format Web pages, including methods to specify text
characteristics, graphic placement, and links. HTML files are read and interpreted
by a Web browser.
HTTP (HyperText Transfer Protocol)
A communications standard designed and used to transfer information and
documents between servers or from a server to a client.
HTTPS (Secure HTTP)
A variation of HTTP enabling the secure transmission of data and HTML files.
Generally used in conjunction with Secure Sockets Layer (SSL).
hub
A device that receives and sends signals along the network between the nodes
connected to it.
hyperlink
An object on a Web page such as a graphic or underlined text that represents a
link to another location in the same file or a different file. When clicked, the
page or graphic appears.
IANA (Internet Assigned Number Authority)
The central authority charged with assigning parameter values to Internet
protocols. For example, IANA controls the assignment of well-known TCP/IP
port numbers. Currently IANA manages port numbers 1 through 1023.
ICMP (Internet Control Message Protocol)
A protocol used to pass control and error messages back and forth between
nodes on the Internet.
identity certificate
A signed statement that binds a key to the name of an individual and therefore
delegates authority from that individual to the public key.
IDS
See
Intrusion Detection System .
IETF
See
Internet Engineering Task Force .