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Practical Unix & Internet Security 3RD Edition


Practical Unix & Internet Security 3RD Edition Cover


Synopses & Reviews

Publisher Comments:

When Practical Unix Security was first published more than a decade ago, it became an instant classic. Crammed with information about host security, it saved many a Unix system administrator from disaster. The second edition added much-needed Internet security coverage and doubled the size of the original volume. The third edition is a comprehensive update of this very popular book - a companion for the Unix/Linux system administrator who needs to secure his or her organization's system, networks, and web presence in an increasingly hostile world.Focusing on the four most popular Unix variants today--Solaris, Mac OS X, Linux, and FreeBSD--this book contains new information on PAM (Pluggable Authentication Modules), LDAP, SMB/Samba, anti-theft technologies, embedded systems, wireless and laptop issues, forensics, intrusion detection, chroot jails, telephone scanners and firewalls, virtual and cryptographic filesystems, WebNFS, kernel security levels, outsourcing, legal issues, new Internet protocols and cryptographic algorithms, and much more.Practical Unix & Internet Security consists of six parts:

  • Computer security basics: introduction to security problems and solutions, Unix history and lineage, and the importance of security policies as a basic element of system security.
  • Security building blocks: fundamentals of Unix passwords, users, groups, the Unix filesystem, cryptography, physical security, and personnel security.
  • Network security: a detailed look at modem and dialup security, TCP/IP, securing individual network services, Sun's RPC, various host and network authentication systems (e.g., NIS, NIS+, and Kerberos), NFS and other filesystems, and the importance of secure programming.
  • Secure operations: keeping up to date in today's changing security world, backups, defending against attacks, performing integrity management, and auditing.
  • Handling security incidents: discovering a break-in, dealing with programmed threats and denial of service attacks, and legal aspects of computer security.
  • Appendixes: a comprehensive security checklist and a detailed bibliography of paper and electronic references for further reading and research.
Packed with 1000 pages of helpful text, scripts, checklists, tips, and warnings, this third edition remains the definitive reference for Unix administrators and anyone who cares about protecting their systems and data from today's threats.


The definitive book on UNIX security, this volume covers every aspect of computer security on UNIX machines and the Internet.


This new edition of Practical UNIX and Internet Security provides detailed coverage of modern security and networking issues. It focuses on the four most popular Unix variants: Solaris, Linux, FreeBSD, and Mac OS X.

About the Author

Simson Garfinkel is a computer security researcher and an award-winning commentator on information technology. Among his twelve books are "Database Nation: The Death of Privacy in the 21st Century" (O Reilly, 2001) and "Practical UNIX and Internet Security, Third Edition" (O Reilly, 2003). A columnist for "CSO" magazine, Garfinkel s columns earned the 2004 and 2005 Jesse H. Neal National Business Journalism Award. He recently received his Ph.D. in computer science from MIT.

Beth Rosenberg is a writer, editor, and journalist with fifteen years of experience in emerging technologies. She has written for the "Boston Globe," "Boston" magazine, and the "Christian Science Monitor," and edited a book for Harvard s Kennedy School of Government.

Spafford is a professor at Purdue University, and Director of CERIAS.
Schwartz is assistant professor of clinical decision making in the Departments of Medical Education and Pediatrics at the University of Illinois at Chicago.

Table of Contents

  • Preface
  • Computer Security Basics
    • Chapter 1: Introduction: Some Fundamental Questions
    • Chapter 2: Unix History and Lineage
    • Chapter 3: Policies and Guidelines
  • Security Building Blocks
    • Chapter 4: Users, Passwords, and Authentication
    • Chapter 5: Users, Groups, and the Superuser
    • Chapter 6: Filesystems and Security
    • Chapter 7: Cryptography Basics
    • Chapter 8: Physical Security for Servers
    • Chapter 9: Personnel Security
  • Network and Internet Security
    • Chapter 10: Modems and Dialup Security
    • Chapter 11: TCP/IP Networks
    • Chapter 12: Securing TCP and UDP Services
    • Chapter 13: Sun RPC
    • Chapter 14: Network-Based Authentication Systems
    • Chapter 15: Network Filesystems
    • Chapter 16: Secure Programming Techniques
  • Secure Operations
    • Chapter 17: Keeping Up to Date
    • Chapter 18: Backups
    • Chapter 19: Defending Accounts
    • Chapter 20: Integrity Management
    • Chapter 21: Auditing, Logging, and Forensics
  • Handling Security Incidents
    • Chapter 22: Discovering a Break-in
    • Chapter 23: Protecting Against Programmed Threats
    • Chapter 24: Denial of Service Attacks and Solutions
    • Chapter 25: Computer Crime
    • Chapter 26: Who Do You Trust?
  • Appendixes
    • Unix Security Checklist
    • Unix Processes
    • Paper Sources
    • Electronic Resources
    • Organizations
  • Colophon

Product Details

Garfinkel, Simson
O'Reilly Media
Schwartz, Alan
Spafford, Gene
Sebastopol, Calif.
Programming - General
Operating Systems - UNIX
Computer networks
Computer security
Internet - Security
Operating systems
UNIX device drivers
Internet - General
Kerberos;LDAP;Linux;Mac OS X;NFS;NIS;PAM;Unix;incident;security
CourseSmart Subject Description
Edition Number:
Edition Description:
Print PDF
Series Volume:
Publication Date:
9.19 x 7 x 2.06 in 2.99 lb

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Related Subjects

Computers and Internet » Internet » General
Computers and Internet » Internet » Information
Computers and Internet » Networking » Computer Security
Computers and Internet » Operating Systems » General
Computers and Internet » Operating Systems » Unix » Unix Administration
Computers and Internet » Software Engineering » Programming and Languages

Practical Unix & Internet Security 3RD Edition New Trade Paper
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$54.95 In Stock
Product details 988 pages O'Reilly & Associates - English 9780596003234 Reviews:
"Synopsis" by ,
The definitive book on UNIX security, this volume covers every aspect of computer security on UNIX machines and the Internet.
"Synopsis" by , This new edition of Practical UNIX and Internet Security provides detailed coverage of modern security and networking issues. It focuses on the four most popular Unix variants: Solaris, Linux, FreeBSD, and Mac OS X.
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