UNIX Hints & Hacks

Chapter 3. Security

• 3.1 Delegating root to Multiple Admins

• 3.2 The Full Path to Superuser

• 3.3 Monitoring root in the Password File

• 3.4 Vulnerabilities in UNIX

• 3.5 Permissions Levels

• 3.6 Protect root at All Costs

• 3.7 File Collecting

• 3.8 File Encryption

• 3.9 Clear and Lock

• 3.10 Power Tools

The best security administrators are usually current or former UNIX administrators. UNIX administrators need to be paranoid by nature, because few, if any, virus protection programs are available. The only proactive steps you can take are to continuously monitor the system, stay paranoid, and keep up-to-date with the latest security advisories.

It is often said that UNIX administrators get the blame if a system is compromised. Check with your management ...