Cisco IPS 7.1 Installation Guide download pdf (Page 389)

Glossary

GL-11

Cisco Intrusion Prevention System Appliance Hardware Installation Guide for IPS 7.1

OL-24002-01

InterfaceApp

A component of the IPS. Handles bypass and physical settings and defines paired interfaces. Physical

settings are speed, duplex, and administrative state.

intrusion detection

system

IDS. A security service that monitors and analyzes system events to find and provide real-time or near

real-time warning of attempts to access system resources in an unauthorized manner.

IP address

32-bit address assigned to hosts using TCP/IP. An IP address belongs to one of five classes (A, B, C,

D, or E) and is written as 4 octets separated by periods (dotted decimal format). Each address consists

of a network number, an optional subnetwork number, and a host number. The network and subnetwork

numbers together are used for routing, and the host number is used to address an individual host within

the network or subnetwork. A subnet mask is used to extract network and subnetwork information from

the IP address.

IPS

Intrusion Prevention System. A system that alerts the user to the presence of an intrusion on the network

through network traffic analysis techniques.

IPS data or message

Describes the messages transferred over the command and control interface between IPS applications.

iplog

A log of the binary packets to and from a designated address. Iplogs are created when the log Event

Action is selected for a signature. Iplogs are stored in a libpcap format, which can be read by WireShark

and TCPDUMP.

IP spoofing

IP spoofing attack occurs when an attacker outside your network pretends to be a trusted user either by

using an IP address that is within the range of IP addresses for your network or by using an authorized

external IP address that you trust and to which you want to provide access to specified resources on

your network. Should an attacker get access to your IPSec security parameters, that attacker can

masquerade as the remote user authorized to connect to the corporate network.

IPv6

IP version 6. Replacement for the current version of IP (version 4). IPv6 includes support for flow ID

in the packet header, which can be used to identify flows. Formerly called IPng (next generation).

ISL

Inter-Switch Link. Cisco-proprietary protocol that maintains VLAN information as traffic flows

between switches and routers.

Java Web Start

Java Web Start provides a platform-independent, secure, and robust deployment technology. It enables

developers to deploy full-featured applications to you by making the applications available on a

standard web server. With any web browser, you can launch the applications and be confident you

always have the most-recent version.

JNLP

Java Network Launching Protocol. Defined in an XML file format specifying how Java Web Start

applications are launched. JNLP consists of a set of rules defining how exactly the launching

mechanism should be implemented.

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