Linux Security Cookbook > Network Access Control > Preventing Denial of Service Attacks

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Linux Security Cookbook

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Preface

Ch. 1. System Snapshots with Tripwire

Ch. 2. Firewalls with iptables and ipchains

Ch. 3. Network Access Control

Recipe 3.1. Listing Your Network Interfaces

Recipe 3.2. Starting and Stopping the Network Interface

Recipe 3.3. Enabling/Disabling a Service (xinetd)

Recipe 3.4. Enabling/Disabling a Service (inetd)

Recipe 3.5. Adding a New Service (xinetd)

Recipe 3.6. Adding a New Service (inetd)

Recipe 3.7. Restricting Access by Remote Users

Recipe 3.8. Restricting Access by Remote Hosts (xinetd)

Recipe 3.9. Restricting Access by Remote Hosts (xinetd with libwrap)

Recipe 3.10. Restricting Access by Remote Hosts (xinetd with tcpd)

Recipe 3.11. Restricting Access by Remote Hosts (inetd)

Recipe 3.12. Restricting Access by Time of Day

Recipe 3.13. Restricting Access to an SSH Server by Host

Recipe 3.14. Restricting Access to an SSH Server by Account

Recipe 3.15. Restricting Services to Specific Filesystem Directories

Recipe 3.16. Preventing Denial of Service Attacks

Recipe 3.17. Redirecting to Another Socket

Recipe 3.18. Logging Access to Your Services

Recipe 3.19. Prohibiting root Logins on Terminal Devices

Ch. 4. Authentication Techniques and Infrastructures

Ch. 5. Authorization Controls

Ch. 6. Protecting Outgoing Network Connections

Ch. 7. Protecting Files

Ch. 8. Protecting Email

Ch. 9. Testing and Monitoring

Colophon

Index

Recipe 3.16. Preventing Denial of Service Attacks

3.16.1. Problem

You want to prevent denial of service (DOS) attacks against a network service.

3.16.2. Solution

For xinetd , use the cps, instances, max_load, and per_source keywords.

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Contents

Chapter 3. Network Access Control > Preventing Denial of Service Attacks

Recipe 3.16. Preventing Denial of Service Attacks

3.16.1. Problem

3.16.2. Solution