Cisco PIX 500 Series Configuration Manual page 1104

Glossary
A message digest is created by a hash algorithm, such as
Message Digest
message integrity.
Media Gateway Control Protocol. Media Gateway Control Protocol is a protocol for the control of
MGCP
VoIP calls by external call-control elements known as media gateway controllers or call agents. MGCP
merges the IPDC and
See
Mode
See
Mode Config
Modular Policy Framework. A means of configuring security appliance features in a manner to similar
Modular Policy
Framework to Cisco IOS software Modular
mobile station. Refers generically to any mobile device, such as a mobile handset or computer, that is
MS
used to access network services.
of operation supported within the
A MS supports simultaneous operation of
Microsoft CHAP.
MS-CHAP
Maximum transmission unit, the maximum number of bytes in a packet that can flow efficiently across
MTU
the network with best response time. For Ethernet, the default MTU is 1500 bytes, but each network
can have different values, with serial connections having the smallest values. The MTU is described
in RFC 1191.
Multicast refers to a network addressing method in which the source transmits a packet to multiple
multicast
destinations, a multicast group, simultaneously. See also PIM, SMR.
N
A third-party, policy-oriented filtering application that works with the security appliance to control
N2H2
user web access. N2H2 can filter
address, and username and password. The N2H2 corporation was acquired by Secure Computing in
October, 2003.
Network Address Translation. Mechanism for reducing the need for globally unique IP addresses.
NAT
NAT allows an organization with addresses that are not globally unique to connect to the
translating those addresses into a globally routable address space.
Network Extension Mode. Lets
NEM
private network over the
Network Basic Input/Output System. A Microsoft protocol that supports Windows host name
NetBIOS
registration, session management, and data transfer. The security appliance supports NetBIOS by
performing
See mask.
netmask
In the context of security appliance configuration, a network is a group of computing devices that
network
share part of an IP address space and not a single host. A network consists of multiple nodes or hosts.
See also host, Internet, intranet, IP, LAN, and node.
Cisco Security Appliance Command Line Configuration Guide
GL-12
SGCP protocols.
Access Modes.
IKE Mode Configuration.
VPN
NAT of the packets for NBNS UDP port 137 and NBDS UDP port 138.
QoS CLI.
GPRS networks support three classes of MS, which describe the type
GPRS and the GSM mobile wireless networks. For example, a Class
GPRS and GSM
HTTP requests based on destination host name, destination IP
VPN hardware clients present a single, routable network to the remote
tunnel.
MD5 or SHA-1, that is used for ensuring
services.
Internet by
OL-12172-03