User guide

Reference Guide 151
name resolution
The allocation of an IP address to a host name. See Domain Name
System.
NetBIOS (Network Basic Input / Output System)
An extension of the DOS BIOS that enables a computer to connect
to and communicate with a LAN (Local Area Network).
NetBEUI (NetBIOS Extended User Interface)
A non-routable networking protocol used by smaller, non-
subnetted networks for internal communications. Because
NetBEUI is not routable, network transmissions sent via NetBEUI
cannot be transmitted over the Internet.
network address translation (NAT)
A method of hiding internal network addresses from hosts on an
external network.
MAC (Machine Authentication Code)
A key-dependent, one-way hash function, requiring the use of the
identical key to verify the hash.
MAC address
Media Access Control address that is unique to a computer, and is
used to identify its hardware.
masquerading
A method of setting up addressing so that a firewall presents its
IP address to the outside world in lieu of the IP addresses of the
hosts protected by the firewall.
Mazameter
See Bandwidth Meter.
MD2 (Message Digest 2)
A 128-bit, one-way hash function that is dependent on a random
permutation of bytes.
MD4 (Message Digest 4)
A 128-bit, one-way hash function that uses a simple set of bit
manipulations on 32-bit operands.