M

m-node

A NetBIOS node type that uses a mix of b-node and p-node communications to register and resolve NetBIOS names. M-node first uses broadcast resolution; then, if necessary, it uses a server query.

See also network basic input/output system (NetBIOS).

Microsoft Challenge Handshake Authentication Protocol version 2 (MS-CHAP v2)

An encrypted authentication mechanism for PPP connections that provides stronger security than CHAP and MS-CHAP vl. MS-CHAP v2 provides mutual authentication and asymmetric encryption keys.

See also mutual authentication.

See also Point-to-Point Protocol (PPP).

Microsoft Management Console (MMC)

A framework for hosting administrative tools called snap-ins. A console might contain tools, folders or other containers, World Wide Web pages, and other administrative items. These items are displayed in the left pane of the console, called a console tree. A console has one or more windows that can provide views of the console tree. The main MMC window provides commands and tools for authoring consoles. The authoring features of MMC and the console tree itself might be hidden when a console is in User Mode.

See also snap-in.

Microsoft Point-to-Point Encryption (MPPE)

A 128-bit key or 40-bit key encryption algorithm using RSA RC4. MPPE provides for packet confidentiality between the remote access client and the remote access or tunnel server, and it is useful where Internet Protocol security (IPSec) is not available. MPPE 40-bit keys are used to satisfy current North American export restrictions. MPPE is compatible with Network Address Translation.

See also remote access server.

mixed mode

In a Windows 2000 domain, the default domain mode setting. Mixed mode enables Windows NT-based backup domain controllers to coexist with Windows 2000-based domain controllers. Mixed mode does not support universal groups or the nesting of groups. You can change the domain mode setting to native mode when all Windows NT-based domain controllers are removed from a domain.

In Windows Server 2003 domains, mixed mode is referred to as Windows 2000 mixed, and it is one of three domain functional levels available.

See also Active Directory.

See also native mode.

See also universal group.

Multicast Address Dynamic Client Allocation Protocol (MADCAP)

An extension to the DHCP protocol standard used to support dynamic assignment and configuration of IP multicast addresses on TCP/IP-based networks.

See also Dynamic Host Configuration Protocol (DHCP).

See also multicasting.

See also Transmission Control Protocol/Internet Protocol (TCP/IP).

multicast scope

A range of multicast group IP addresses in the Class D address range that are available to be leased or assigned to multicast DHCP clients by DHCP.

See also Dynamic Host Configuration Protocol (DHCP).

See also IP address.

See also lease.

See also multicasting.

multicasting

The process of sending a message simultaneously to more than one destination on a network.

multihomed computer

A computer that has multiple network adapters or that has been configured with multiple IP addresses for a single network adapter.

See also IP address.

mutual authentication

The process when one entity authenticates itself to a second entity and the second entity authenticates itself to the first entity. In networking, two routers often perform mutual authentication in order to create a connection.

See also authentication.

See also router.