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Amazon Web Services

Troubleshooting: CloudFront

Amazon Web Services and Amazon via AWS Skill Builder

Overview

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In this course, you will learn how to find important information about Amazon CloudFront distributions. You will also learn how to analyze response headers and monitor your distribution. We will share guidance on how to use this information to resolve several common issues encountered by CloudFront users. Finally, we will help guide you in providing strong support cases if you need to escalate an issue to Amazon Web Services (AWS) Support.

Course level: Intermediate

Duration: 45 minutes


Activities

This course includes presentations, troubleshooting scenarios, and helpful resources.


Course objectives

In this course, you will learn to:

Recognize and resolve issues with CloudFront

Employ best-practice troubleshooting methodologies when investigating CloudFront issues

Locate and apply available AWS Support documentation for CloudFront issues

Recognize and record relevant information to escalate CloudFront issues to the AWS Support team



Intended audience

This course is intended for:

Engineers and operators who manage CloudFront distributions


Prerequisites

We recommend that attendees of this course have:

Basic knowledge of the AWS Management Console and CloudFront

Basic familiarity with content delivery networks (CDNs)


Course outline

Finding Information about Your Distribution

Investigating CloudFront Response Headers

Monitoring Your Distribution

Identifying Problems

What Are HTTP Errors?

Troubleshooting HTTP 403 – Forbidden

Troubleshooting HTTP 502 – Bad Gateway

Troubleshooting HTTP 504 – Gateway Timeout

Troubleshooting Cache Issues

Troubleshooting Cross-Origin Resource Sharing

Getting Help

Resources

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