Global
edition
Network Security
Essentials
Applications and Standards
sixth edition
William Stallings
07/09/16 7:47 PM
, Network Security
Essentials:
Applications and Standards
Sixth Edition
Global Edition
William Stallings
Harlow, England • London • New York • Boston • San Francisco • Toronto • Sydney • Dubai • Singapore • Hong Kong
Tokyo • Seoul • Taipei • New Delhi • Cape Town • Sao Paulo • Mexico City • Madrid • Amsterdam • Munich • Paris • Milan
A01_STAL4855_06_GE_FM.indd 1 9/8/16 9:01 PM
, Vice President and Editorial Director, ECS: Senior Manufacturing Controller, Production, Global
Marcia J. Horton Edition: Trudy Kimber
Executive Editor: Tracy Johnson (Dunkelberger) R&P Manager: Rachel Youdelman
Editorial Assistant: Kristy Alaura R&P Senior Project Manager: William Opaluch
Program Manager: Carole Snyder Senior Operations Specialist: Maura Zaldivar-Garcia
Project Manager: Robert Engelhardt Inventory Manager: Meredith Maresca
Media Team Lead: Steve Wright Marketing Manager: Demetrius Hall
Acquisitions Editor, Global Edition: Sourabh Product Marketing Manager: Bram Van Kempen
Maheshwari Marketing Assistant: Jon Bryant
Assistant Project Editor, Global Edition: Shaoni Cover Designer: Marta Samsel
Mukherjee Cover Art: Africa Studio
Manager, Media Production, Global Edition: Vikram Full-Service Project Management: Chandrasekar
Kumar Subramanian, SPi Global
Credits and acknowledgments borrowed from other sources and reproduced, with permission, in this textbook
appears on page 448.
Pearson Education Limited
Edinburgh Gate
Harlow
Essex CM20 2JE
England
and Associated Companies throughout the world
Visit us on the World Wide Web at:
www.pearsonglobaleditions.com
© Pearson Education Limited 2017
The right of William Stallings to be identified as the author of this work has been asserted by him in accordance
with the Copyright, Designs and Patents Act 1988.
Authorized adaptation from the United States edition, entitled Network Security Essentials: Applications and
Standards, 6th Edition, ISBN 978-0-134-52733-8, by William Stallings published by Pearson Education © 2017.
All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in
any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without either the prior
written permission of the publisher or a license permitting restricted copying in the United Kingdom issued by the
Copyright Licensing Agency Ltd, Saffron House, 6–10 Kirby Street, London EC1N 8TS.
All trademarks used herein are the property of their respective owners. The use of any trademark in this text does
not vest in the author or publisher any trademark ownership rights in such trademarks, nor does the use of such
trademarks imply any affiliation with or endorsement of this book by such owners.
British Library Cataloguing-in-Publication Data
A catalogue record for this book is available from the British Library
10 9 8 7 6 5 4 3 2 1
ISBN 10: 1-292-15485-3
ISBN 13: 978-1-292-15485-5
Typeset by SPi Global
Printed and bound in Malaysia.
A01_STAL4855_06_GE_FM.indd 2 9/8/16 9:01 PM
, For Tricia never
dull never boring
the smartest
and bravest
person I know
A01_STAL4855_06_GE_FM.indd 3 9/8/16 9:01 PM
edition
Network Security
Essentials
Applications and Standards
sixth edition
William Stallings
07/09/16 7:47 PM
, Network Security
Essentials:
Applications and Standards
Sixth Edition
Global Edition
William Stallings
Harlow, England • London • New York • Boston • San Francisco • Toronto • Sydney • Dubai • Singapore • Hong Kong
Tokyo • Seoul • Taipei • New Delhi • Cape Town • Sao Paulo • Mexico City • Madrid • Amsterdam • Munich • Paris • Milan
A01_STAL4855_06_GE_FM.indd 1 9/8/16 9:01 PM
, Vice President and Editorial Director, ECS: Senior Manufacturing Controller, Production, Global
Marcia J. Horton Edition: Trudy Kimber
Executive Editor: Tracy Johnson (Dunkelberger) R&P Manager: Rachel Youdelman
Editorial Assistant: Kristy Alaura R&P Senior Project Manager: William Opaluch
Program Manager: Carole Snyder Senior Operations Specialist: Maura Zaldivar-Garcia
Project Manager: Robert Engelhardt Inventory Manager: Meredith Maresca
Media Team Lead: Steve Wright Marketing Manager: Demetrius Hall
Acquisitions Editor, Global Edition: Sourabh Product Marketing Manager: Bram Van Kempen
Maheshwari Marketing Assistant: Jon Bryant
Assistant Project Editor, Global Edition: Shaoni Cover Designer: Marta Samsel
Mukherjee Cover Art: Africa Studio
Manager, Media Production, Global Edition: Vikram Full-Service Project Management: Chandrasekar
Kumar Subramanian, SPi Global
Credits and acknowledgments borrowed from other sources and reproduced, with permission, in this textbook
appears on page 448.
Pearson Education Limited
Edinburgh Gate
Harlow
Essex CM20 2JE
England
and Associated Companies throughout the world
Visit us on the World Wide Web at:
www.pearsonglobaleditions.com
© Pearson Education Limited 2017
The right of William Stallings to be identified as the author of this work has been asserted by him in accordance
with the Copyright, Designs and Patents Act 1988.
Authorized adaptation from the United States edition, entitled Network Security Essentials: Applications and
Standards, 6th Edition, ISBN 978-0-134-52733-8, by William Stallings published by Pearson Education © 2017.
All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in
any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without either the prior
written permission of the publisher or a license permitting restricted copying in the United Kingdom issued by the
Copyright Licensing Agency Ltd, Saffron House, 6–10 Kirby Street, London EC1N 8TS.
All trademarks used herein are the property of their respective owners. The use of any trademark in this text does
not vest in the author or publisher any trademark ownership rights in such trademarks, nor does the use of such
trademarks imply any affiliation with or endorsement of this book by such owners.
British Library Cataloguing-in-Publication Data
A catalogue record for this book is available from the British Library
10 9 8 7 6 5 4 3 2 1
ISBN 10: 1-292-15485-3
ISBN 13: 978-1-292-15485-5
Typeset by SPi Global
Printed and bound in Malaysia.
A01_STAL4855_06_GE_FM.indd 2 9/8/16 9:01 PM
, For Tricia never
dull never boring
the smartest
and bravest
person I know
A01_STAL4855_06_GE_FM.indd 3 9/8/16 9:01 PM
