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Linux Administrator's Security Guide
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Linux Security Resources

By Kurt Seifried


Appendix A: Books and magazines


SELinux: NSA's Open Source Security Enhanced Linux - An excellent and comprehensive book published by O'Reilly providing a detailed overview of SELinux. This book gives you just about everything you need to know to understand and configure Security Enhanced Linux. Read more about this book.

Linux Security for Beginners -

Linux Firewall Security and iptables -

Getting Started with SELinux - s/getting_started_with_SELinux/

Writing SELinux policy Guide - s/writing_SELinux_policy_guide

Sendmail -

Linux Network Admin Guide (NAG) -

Running Linux -


Apache -

Learning The Bash Shell -

Building Internet Firewalls -

Computer Crime -

Computer Security Basics -

Cracking DES -

Essential System Administration -

Linux in a nutshell -

Managing NFS and NIS -

Managing Usenet -


Practical Unix and Internet Security -

Running Linux -

Using and Managing PPP -

Virtual Private Networks -

Red Hat/SAMS also publish several interesting books:

Maximum RPM (available as a postscript document on

Red Hat User's Guide (available as HTML on

SNMP, SNMPv2 and RMON - W. Stallings (ISBN: 0-201-63479-1)


Linux Journal (of course, monthly)

Sys Admin (intelligent articles, monthly)

Perl Journal (quarterly)

Information Security -

Appendix C: Other Linux security documentation

Firewalling and Proxy Server HOWTO


Linux Security HOWTO

Linux Shadow Password HOWTO

The Linux CIPE + Masquerading mini-HOWTO

Firewall Piercing mini-HOWTO

Quota mini-HOWTO

Secure POP via SSH mini-HOWTO

The VPN HOWTO (using SSH)

Red Hat Knowledge Base

Appendix D: Online security documentation

Bugtraq Archives

CERT Incident Reporting Guidelines

Site Security Handbook

Guidelines for the Secure Operation of the Internet

How to Handle and Identify Network Probes

Free Firewall and related tools (large)

Internet FAQ Consortium (You want FAQs? We got FAQs!)

An Architectural Overview of UNIX Network Security

The human side of computer security (an article on social engineering)

IBM Redbooks

General security research and development

Some general whitepapers and articles

COAST Library

Coast hotlist (hugelist of resources)

D.O.E. Sysworks

Appendix E: General security sites


Computer Security Information

8 Little Green Men

Robert's Cryptography, PGP & Privacy Links






Appendix F: General Linux sites

Linux Administration Made Easy (LAME)

Linux Administrator's Security Guide
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  Copyright Kurt Seifried 2001 Published under the terms of the Open Content License Design by Interspire