Fortinet Document Library

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Table of Contents

Administration Guide

Troubleshooting

This section provides guidelines to help you resolve issues if your FortiWeb appliance is not behaving as you expect. It's composed of the following parts:

Troubleshooting outline

This section outlines some basic concepts and skills for FortiWeb troubleshooting.

Diagnosing server-policy connectivity issues

This section focuses on troubleshooting methods and analysis steps on typical connectivity issues, including failing to visit an access-policy in different conditions, troubleshooting failures of special return code, connecting to backend servers failures, as well as SSL/TLS failures.

Diagnosing system issues

Critical connectivity issues are often caused by system level issues. Sometimes even though connectivity is normal, the system resource becomes abnormal. This may cause potential issues. This section summarizes the front-end and back-end commands to check and analyze system resources, logs, daemon, and kernel crashes.

Diagnose software function issues

This section focuses on diagnosing methods for troubleshooting functional and feature level issues, and also summarizes some frequently asked questions (FAQ).

Diagnose hardware issues

This section focuses on troubleshooting methods for potential hardware issues related to hard disk, power supply, SSL card, etc.

System tools & diagnose commands

This section focuses on the important diagnose commands, explaining the detailed usage and providing some examples, but it doesn't include those commands that are listed and easy to be understood from the CLI Guide description.

 

Keep in mind that if you cannot resolve the issue on your own, you can contact Fortinet Customer Service & Support:

https://support.fortinet.com

Troubleshooting

This section provides guidelines to help you resolve issues if your FortiWeb appliance is not behaving as you expect. It's composed of the following parts:

Troubleshooting outline

This section outlines some basic concepts and skills for FortiWeb troubleshooting.

Diagnosing server-policy connectivity issues

This section focuses on troubleshooting methods and analysis steps on typical connectivity issues, including failing to visit an access-policy in different conditions, troubleshooting failures of special return code, connecting to backend servers failures, as well as SSL/TLS failures.

Diagnosing system issues

Critical connectivity issues are often caused by system level issues. Sometimes even though connectivity is normal, the system resource becomes abnormal. This may cause potential issues. This section summarizes the front-end and back-end commands to check and analyze system resources, logs, daemon, and kernel crashes.

Diagnose software function issues

This section focuses on diagnosing methods for troubleshooting functional and feature level issues, and also summarizes some frequently asked questions (FAQ).

Diagnose hardware issues

This section focuses on troubleshooting methods for potential hardware issues related to hard disk, power supply, SSL card, etc.

System tools & diagnose commands

This section focuses on the important diagnose commands, explaining the detailed usage and providing some examples, but it doesn't include those commands that are listed and easy to be understood from the CLI Guide description.

 

Keep in mind that if you cannot resolve the issue on your own, you can contact Fortinet Customer Service & Support:

https://support.fortinet.com