Cisco IPS 7.1 Installation Guide download pdf (Page 396)

Glossary

GL-18

Cisco Intrusion Prevention System Appliance Hardware Installation Guide for IPS 7.1

OL-24002-01

RTP

Real-Time Transport Protocol. Commonly used with IP networks. RTP is designed to provide

end-to-end network transport functions for applications transmitting real-time data, such as audio,

video, or simulation data, over multicast or unicast network services. RTP provides such services as

payload type identification, sequence numbering, time stamping, and delivery monitoring to real-time

applications.

RTT

round-trip time. A measure of the time delay imposed by a network on a host from the sending of a

packet until acknowledgment of the receipt.

rack unit. A rack is measured in rack units. An RU is equal to 44 mm or 1.75 inches.

SCP

Switch Configuration Protocol. Cisco control protocol that runs directly over the Ethernet.

SCEP

Simple Certificate Enrollment Protocol. The Cisco Systems PKI communication protocol that

leverages existing technology by using PKCS#7 and PKCS#10. SCEP is the evolution of the enrollment

protocol.

SDEE

Security Device Event Exchange. A product-independent standard for communicating security device

events. It adds extensibility features that are needed for communicating events generated by various

types of security devices.

SDEE Server

Accepts requests for events from remote clients.

Secure Shell

Protocol

Protocol that provides a secure remote connection to a router through a Transmission Control Protocol

(TCP) application.

security context

You can partition a single adaptive security appliance into multiple virtual devices, known as security

contexts. Each context is an independent device, with its own security policy, interfaces, and

administrators. Multiple contexts are similar to having multiple standalone devices. Many features are

supported in multiple context mode, including routing tables, firewall features, IPS, and management.

Security Monitor

Monitoring Center for Security. Provides event collection, viewing, and reporting capability for

network devices. Used with the IDS MC.

sensing interface

The interface on the sensor that monitors the desired network segment. The sensing interface is in

promiscuous mode; it has no IP address and is not visible on the monitored segment.

sensor

The sensor is the intrusion detection engine. It analyzes network traffic searching for signs of

unauthorized activity.

SensorApp

A component of the IPS. Performs packet capture and analysis. SensorApp analyzes network traffic for

malicious content. Packets flow through a pipeline of processors fed by a producer designed to collect

packets from the network interfaces on the sensor. SensorApp is the standalone executable that runs

Analysis Engine.

Service engine

Deals with specific protocols, such as DNS, FTP, H255, HTTP, IDENT, MS RPC, MS SQL, NTP, P2P,

RPC, SMB, SNMP, SSH, and TNS.

service pack

Used for the release of defect fixes and for the support of new signature engines. Service packs contain

all of the defect fixes since the last base version (minor or major) and any new defects fixes.

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