Linux Security HOWTO : Network Security
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8. Network Security

Network security is becoming more and more important as people spend more and more time connected. Compromising network security is often much easier than compromising physical or local security, and is much more common.

There are a number of good tools to assist with network security, and more and more of them are shipping with Linux distributions.

8.1. Packet Sniffers

8.2. System services and tcp_wrappers

8.3. Verify Your DNS Information

8.4. identd

8.5. SATAN, ISS, and Other Network Scanners

8.5.1. Detecting Port Scans

8.6. sendmail, qmail and MTA's

8.7. Denial of Service Attacks

8.8. NFS (Network File System) Security.

8.9. NIS (Network Information Service) (formerly YP).

8.10. Firewalls

8.11. IP Chains - Linux Kernel 2.2.x Firewalling

8.12. VPNs - Virtual Private Networks


Linux Security HOWTO : Network Security
Previous: Kernel Devices
Next: Packet Sniffers