本书是**作者William Stallings的力作之一,详细介绍了网络**的基础知识、应用及标准。全书共分为三部分:(1)密码算法和协议,包括网络应用中的密码算法和协议;(2)网络**应用,介绍了一些主要的网络**工具和应用,如Kerberos、x.509v3证书、PGP、S/MIME、IP**、SSL/TLS、SET以及SNMPv3等;(3)系统**,介绍了一些系统级的**问题,如网络入侵与病毒的危害及对策,防火墙和托管系统的应用等。此外,每章后面都提供了一定的练习和复习题,以便于读者对所学知识的巩固。第2版新增**加密标准的讨论,对病毒、蠕虫及非法入侵的论述也进行了扩充。而且,教师和学习还可以通过访问www.WilliamStallings.com/NetSec2e.html来获取补充材料。
本书可作为计算机科学、计算机工程、电子工程等相关专业本科生的网络**课程教材,也是网络**从业人员的自学用书。

CHAPTER 1 INTRODUCTION
1.1 The OSI Security Architecture
1.2 Security Attacks
1.3 Security Services
1.4 Security mechanisms
1.5 A Model for Network Security
1.6 Internet Standards and the Internet Society
1.7 Outline of This Book
1.8 Recommended Reading
1.9 Internet and Web Resources
PART ONE CRYPTOGRAPHY
CHAPTER 2 SYMMETRIC ENCRYPTION AND MESSAGE CONFIDENTIALITY
2.1 Symmetric Encryption Principles
2.2 Symmetric Encryption Algorithms
2.3 Cipher Block Modes of Operation
2.4 Location of Encryption Devices
2.5 Key Distribution
2.6 Recommended Reading and Web Sites
2.7 Key Terms,Review Questions,and Problems
CHAPTER 3 PUBLIC-KEY CRYPTOGRAPHY AND MESSAGE AUTHENTICATION
3.1 Approaches to Message Authentication
3.2 Secure Hash Functions and HMAC
3.3 Public-Key Cryptography Principles
3.4 Public-Key Cryptography Algorithms
3.5 Digital Signatures
3.6 Key Management
3.7 Recommended Reading and Web Sites
3.8 Key Terms,Review Questions,and Problems
PART TWO NETWORK SECURITY APPLICATIONS
CHAPTER 4 AUTHENTICATION APPLICATIONS
4.1 Kerberos
4.2 X.509 Authentication Service
4.3 Recommended Reading and Web Sites
4.4 Key Terms,Review Questions,and Problems
Appendix 4A Kerberos Encryption Techniques
CHAPTER 5 ELECTRONIC MAIL SECURITY
5.1 Pretty Good Privacy
5.2 S/MIME
5.3 Recommended Web Sites
5.4 Key Terms,Review Questions,and Problems
Appendix ** Data Compression Using Zip
Appendix 5B RADIX-64 Conversion
Appendix 5C PGP Random Number Generation
CHAPTER 6 IP SECURITY
6.1 IP Security Overview
6.2 IP Security Architecture
6.3 Authenticastion Header
6.4 Encapsulating Security Payload
6.5 Combining Security Associations
6.6 Key Management
6.7 Recommended Reading and Web Sites
6.8 Key Terms,Review Ouestions,and Problems
Appendix 6A Internetworking and Internet Protocols
CHAPTER 7 WEB SECURITY
7.1 Web Security Considerations
7.2 Secure Socket Layer and Transport Layer Security
7.3 Secure Electronic Transaction
7.4 Recommended Reading and Web Sites
7.5 Key Terms,Review Questions,and Problems
CHAPTER 8 NETWORK MANAGEMENT SECURITY
8.1 Basic Concepts of SNMP
8.2 SNMPv1 Community Facility
8.3 SNMPv3
8.4 Recommended Reading and Web Sites
8.5 Key Terms,Review Questions,and Problems
PART THREE SYSTEM SECURITY
CHAPTER 9 INTRUDERS
9.1 Intruders
9.2 Intrusion Detection
9.3 Password Management
9.4 Recommended Reading and Web Sites
9.5 Key Terms,Review Questions,and Problems
Appendix 9A The Base-Rate Fallacy
CHAPTER 10 MALICIOUS SOFTWARE
10.1 Viruses and Related Threats
10.2 Virus Countermeasures
10.3 Recommended Reading and Web Site
10.4 Key Terms,Review Questions,and Problems
APPENDICES
APPENDIX A STANDARDS CITED IN THIS BOOK
A.1 ANSI Standards
A.2 Internet RFGs
A.3 ITU-T Recommendations
A.4 NIST Federal Information Processing Standards
APPENDIX B SOME ASPECTS OF NUMBER THEORY
B.1 Prime and Relatively Prime Numbers
B.2 Modular Arithmetic
GLOSSARY
REFERENCES
INDEX