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Glossary

Glossary (Cont.)

Router An interface between two networks. A Route is the path a packet takes over a network. It is the responsibility of the router to find the best route between two networks.

Router based firewall

This is a packet filtering firewall. Only authorised incoming and outgoing packets can pass through.

SMTP Simple Mail Transfer Protocol. A TCP/IP protocol for sending messages from one computer to another on a network. This protocol is used on the Internet to route e-mail.

SNMP Simple Network Management Protocol. The network management protocol of TCP/IP. In SNMP, agents, which can be hardware as well as software, monitor the activity in the various devices on the network and report to the network console workstation. Control information about each device is maintained in a structure known as a management information block.

Subaddressing

A name for an ISDN service which enables many different types of terminals – phones, fax machines, PCs etc – to be connected to the ISDN user interface and uniquely identified during a call request

Telnet A protocol that enables an Internet user to log on to and enter commands on a remote computer linked to the Internet, as if the user were using a text-based terminal directly attached to that computer. Telnet is part of the TCP/IP suite of protocols.

Time Time Update Protocol. Used to take the time of day from the Internet

TFTP Trivial File Transfer Protocol. A simplified version of FTP that transfer files but does not provide password protection or user-directory capability. It is associated with the TCP/IP family of protocols. TFTP depends on the connectionless datagram delivery service, UDP.

Virtual Network

A part of a network that appears to a user to be a network of its own. For example, an Internet service provider can set up multiple domains on a single HTTP server so that each one can be addressed with its company's registered domain name.

WINS Windows Internet Name Service. This Windows service will resolve NetBIOS computer names to IP addresses. The WINS server, which is a Windows NT Server, will automatically register computer names and their IP addresses in its database. This information will be used to match a computer name to its IP address when requested by a client. Used to reduced broadcast traffic.

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INDeX IPNC Cassette Administration Manual

 

38DHB0002UKDD – Issue 7 (22/11/02)

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Avaya 38DHB0002UKDD manual Router based firewall, Subaddressing, Virtual Network

38DHB0002UKDD specifications

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