Ability to send information from an external network, such as
the Internet, to an internal or external network. See also outbound
Services Digital Network (ISDN)
A dial-up connection to the Internet installed by your Internet
service provider (ISP) or telephone company. An ISDN line can offer
speeds up to 128,000 bits-per-second (bps) and must be installed at
both the server site and the remote site.
A program written in C, Perl, or as a Windows 2000 batch
file. The user initiates the program by clicking a link in a
Control Message Protocol (ICMP)
The Internet standard protocol subset of IP that handles
control and error messages. Gateways use ICMP to send problem
reports on packets back to the source that sent the packet.
Information Services (IIS)
The Microsoft® Internet server feature designed for
implementing and managing Web sites. Although IIS supports multiple
protocols, it primarily transmits information in HTML pages by
using HTTP. ISA integrates fully with IIS and Windows 2000
Mail Connector (IMC)
A component of Microsoft Exchange Server that runs as a
Windows 2000 Server service. You can use the Internet Mail
Connector to exchange information with other systems that use the
Mail Transfer Protocol (SMTP).
The Internet standard routing protocol that defines the IP
datagram as the unit of data transfer and provides the IP address
scheme to route packets from one network location to another. IP
includes the ICMP protocol. The Internet protocol suite is often
Relay Chat (IRC)
An Internet standard protocol that supports interactive,
real-time, text-based communications in established "chat rooms" on
the Internet by means of IRC servers.
Internet Server Application Programming Interface
A Microsoft-developed API for establishing procedural calls
between Internet-based applications and the underlying operating
A unique address that identifies a computer on a network by
using a 32-bit address that is unique across a TCP/IP network. An
IP address is usually represented in dotted-decimal notation, which
depicts an octet (8 bits, or 1 byte) of an IP address as its
decimal value and separates each octet with a period; for example,
IP forwarding (IP routing) normally allows packets to be
forwarded on the internal network.
Filtering that either allows or blocks packets destined to
specific services on or behind the ISA computer.
The log where IP packet filter events are recorded. The file is
identified with PF as the first two letters in the log file
A default account with anonymous logon privileges for accessing
Internet-based services such as FTP, WWW, and Gopher. This account
is created during the installation of Internet Information