Table of Contents

8.1. Security Considerations

8.1.1. Introduction

8.1.2. Best Practices

8.2. Enhanced Classic UI Security and Authentication

8.2.1. Introduction

8.2.2. Additional Techniques

8.2.3. Implementing Digest Authentication

8.2.4. Implementing Forced TLS/SSL

8.2.5. Implementing IP subnet lockdown

8.2.6. Important Notes

8.3. Tuning Icinga For Maximum Performance

8.3.1. Introduction

8.3.2. Optimization Tips

8.4. Fast Startup Options

8.4.1. Introduction

8.4.2. Background

8.4.3. Evaluating Startup Times

8.4.4. Pre-Caching Object Configuration

8.4.5. Skipping Circular Path Tests

8.4.6. Putting It All Together

8.5. Large Installation Tweaks

8.5.1. Introduction

8.5.2. Effects

8.6. Using The Icingastats Utility

8.6.1. Introduction

8.6.2. Usage Information

8.6.3. Human-Readable Output

8.6.4. PNP4Nagios Integration

8.7. Graphing Performance Info With PNP4Nagios

8.7.1. Introduction

8.7.2. Prerequisites

8.7.3. Average Host / Service Check Latency

8.7.4. Service Statistics

8.7.5. Host Statistics

8.7.6. Average Execution Times

8.7.7. External Commands

8.7.8. External Command Buffers

8.7.9. Cached Host and Service Checks

8.7.10. Average State Changes

8.8. Temporary Data