Computer Network Security.pdf

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Computer Network Security
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Computer Network Security
Joseph Migga Rizza
University of Tennessee-Chattanooga
Chattanooga, TN, U. S.A.
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Joseph Migga Kizza
Department of Computer Science
3 14B EMCS, University of Tennessee-Chattanooga
6 15 McCallie Avenue
Chattanooga TN 37403
Library of Congress Cataloging-in-Publication Data
Kizza, Joseph Migga
ComputerNetwork Security /Joseph Migga Kizza
p.cm.
Includes bibliographical references and index.
ISBN: 0-387-20473-3 (HC) / e-ISBN: 0-387-25228-2 (eBK) Printed on acid-free paper.
ISBN-1 3: 978-03872-0473-4
O 2005 Springer Science+Business Media, Inc.
All rights reserved. This work may not be translated or copied in whole or in part without
the written permission of the publisher (Springer SciencetBusiness Media, Inc., 233 Spring
Street, New York, NY 10013, USA), except for brief excerpts in connection with reviews or
scholarly analysis. Use in connection with any form of information storage and retrieval,
electronic adaptation, computer software, or by similar or dissimilar methodology now
know or hereafter developed is forbidden.
The use in this publication of trade names, trademarks, service marks and similar terms,
even if the are not identified as such, is not to be taken as an expression of opinion as to
whether or not they are subject to proprietary rights.
Printed in the United States of America.
987654321
SPIN 1094951 1 (HC) / 1 1403890 (eBK)
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To My Fair Ladies: Immaculate, Josephine, and Florence
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Contents
Preface ................................................................................. xix
Part I: Understanding Computer Network Security
1 . Computer Network Fundamentals ............................... 3
...........................................................................................
1.1 Introduction 3
1.2 Computer Network Models ...................................................................
4
1.3 Computer Network Types .....................................................................
5
Local Area Network (LANs) ....................................................... 5
1.3.1
Wide Area Networks (WANs) ..................................................... 6
1.3.2
Metropolitan Area Networks (MANS) .................................. 7
1.3.3
Data Communication Media Technology .............................................
1.4
8
Transmission Technology ............................................................ 8
1.4.1
Transmission Media ...................................................................
1.4.2
11
...............................................................................
1.5 Network Topology
15
...........................................................................................
1.5.1
Mesh
15
............................................................................................
1.5.2
Tree
15
Bus .............................................................................................
1.5.3
16
.............................................................................................
1.5.4
Star
17
............................................................................................
1.5.5 Ring 18
1.6 Network Connectivity and Protocols ................................................... 19
..................
1.6.1
Open System Interconnection (OSI) Protocol Suite
20
Transport Control ProtocoVInternet Protocol (TCPIIP) Model . 22
.................................................................................
1.6.2
1.7 Network Services
26
...................................................................
1.7.1 Connection Services 26
1.7.2 Network Switching Services ...................................................... 27
1.8 Network Connecting Devices ..............................................................
30
1.8.1 LAN Connecting Devices .......................................................... 30
1.8.2 InternetworkingDevices ............................................................ 34
1.9 Network Technologies ......................................................................... 39
1.9.1
LAN Technologies ..................................................................... 39
...................................................................
1.9.2
WAN Technologies
42
Wireless LANs ...........................................................................
1.9.3
45
...........................................................................................
1.10 Conclusion
46
...........................................................................................
1.11 References
46
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