WA1245 Secure Linux Server Techniques for the New Linux Administrator Training and Courseware

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In this intensive 5 day class, students will learn about basic, intermediate, and advanced Linux security techniques. Attention is focused on hands on lab exercises where students implement the techniques with real-life scenarios.

Audience
	Server administrators that find themselves taking on responsibility for Linux servers in addition to or as a replacement for existing servers.

Prerequisites
	Previous server administration experience and basic Linux system administration skills are necessary. It is strongly recommended that students complete a Linux administration course prior to taking this class.

Duration
	Five days.

Course Outline

1. Overview

Purpose
Focus
New Linux Administrator Common Pitfalls
Security Philosophy
Threats
Current Security "Hot Spots"
Server Security
Linux vs. Windows: which is more secure?
Linux viruses
Windows viruses on Linux

2. Linux Security Basics

Users and Groups
- User Private Group Scheme
- Tools
- Adding users
- Deleting users
- Files
Root Security
- Caution
- Login sources
- Trojans
- root UID
- sudo
Passwords
- aging
- Crack
- Help! I've forgotten the root password!
- Physical access
Permissions
- Levels
- Types
- chmod
- chown
- chgrp
- world writable files
- default permissions: umask
- ACLs
- SUID, SGID, sticky bit

3. Installation Considerations

Partitioning
Patches
Packages
Services
clear text protocols

4. Network Security

Remote access/administration considerations
NFS
xinetd
tcp wrappers
iptables

5. PAM

6. Cron and at access control

7. Filesystem security

8. Disk quotas

9. Logging

ntp
syslogd
chattr

10. Banners

11. Server Hardening Help with Bastille

12. Monitoring and Audit Tools

log monitoring
port scanning
vulnerability testing
CIS
root kits
file integrity checks
building a test machine automatically
miscellaneous session monitoring utilities
process accounting
mass monitoring

13. Advanced Topics

Kernel 2.6
Beyond Bastille

14. Top 10 Linux Security Tips

15. Resources

We regularly offer classes in these and other cities. Atlanta, Austin, Baltimore, Calgary, Chicago, Cleveland, Dallas, Denver, Detroit, Houston, Jacksonville, Miami, Montreal, New York City, Orlando, Ottawa, Philadelphia, Phoenix, Pittsburgh, Seattle, Toronto, Vancouver, Washington DC.