Amazon CloudFront

Developer Guide (API Version 2016-09-29)

What Is Amazon CloudFront?
- How CloudFront Delivers Content
- Locations and IP Address Ranges of CloudFront Edge Servers
- Accessing CloudFront
- CloudFront Pricing
- CloudFront Compliance
AWS Billing and Usage Reports for CloudFront
- AWS Billing Report for CloudFront
- AWS Usage Report for CloudFront
- Interpreting Your AWS Bill and the AWS Usage Report for CloudFront
CloudFront Reports
- CloudFront Cache Statistics Reports
- CloudFront Popular Objects Report
- CloudFront Top Referrers Report
- CloudFront Usage Reports
- CloudFront Viewers Reports
Getting Started
Working with Distributions
- Overview of Web and RTMP Distributions
- Creating Web and RTMP Distributions
- Viewing and Updating CloudFront Distributions
- Deleting a Distribution
- Adding and Moving Alternate Domain Names (CNAMEs)
- Choosing the Price Class for a CloudFront Distribution
- Using CloudFront with Amazon S3
- Tracking Configuration Changes with AWS Config
- Changes to the CloudFront API
Working with Web Distributions
- Task List for Creating a Web Distribution
- Creating a Web Distribution
- Testing a Web Distribution
- Using Amazon S3 Origins and Custom Origins for Web Distributions
- Values That You Specify When You Create or Update a Web Distribution
- Values that CloudFront Displays in the Console When You Create or Update a Web Distribution
- Using Field-Level Encryption to Help Protect Sensitive Data
- Using AWS WAF to Control Access to Your Content
- Restricting the Geographic Distribution of Your Content
- Configuring On-Demand Streaming Web Distributions
Using CloudFront with Lambda@Edge
- Overview of Creating and Using Lambda@Edge Functions
- Setting IAM Permissions and Roles
- Writing and Creating Functions
- Adding Triggers
- Testing and Debugging
- CloudWatch Metrics and CloudWatch Logs
- Deleting Functions and Replicas
- Event Structure
- Generating HTTP Responses in Request Triggers
- Updating HTTP Responses in Origin-Response Triggers
- Example Functions
- Requirements and Restrictions
Working with RTMP Distributions
- How RTMP Distributions Work
- Task List for Streaming Media Files Using RTMP
- Creating an RTMP Distribution Using the CloudFront Console
- Values that You Specify When You Create or Update an RTMP Distribution
- Values that CloudFront Displays in the Console When You Create or Update an RTMP Distribution
- Configuring the Media Player
- Using an Amazon S3 Bucket as the Origin for an RTMP Distribution
- Creating Multiple RTMP Distributions for an Origin Server
- Restricting Access Using Crossdomain.xml
- Error Codes for RTMP Distributions
- Troubleshooting RTMP Distributions
Working with Objects
- Format of URLs for Objects
- How CloudFront Processes HTTP and HTTPS Requests
- Increasing the Proportion of Requests that Are Served from CloudFront Edge Caches
- Configuring CloudFront to Cache Based on Query String Parameters
- Configuring CloudFront to Cache Objects Based on Cookies
- Configuring CloudFront to Cache Objects Based on Request Headers
- Forwarding Custom Headers to Your Origin (Web Distributions Only)
- Adding, Removing, or Replacing Objects in a Distribution
- Customizing Error Responses
- How CloudFront Processes Partial Requests for an Object (Range GETs)
- Specifying a Default Root Object (Web Distributions Only)
- Serving Compressed Files
Request and Response Behavior
- Request and Response Behavior for Amazon S3 Origins
- Request and Response Behavior for Custom Origins
- How CloudFront Processes HTTP 3xx Status Codes from Your Origin
- How CloudFront Processes and Caches HTTP 4xx and 5xx Status Codes from Your Origin
Serving Private Content through CloudFront
- Task List: Serving Private Content
- Using an Origin Access Identity to Restrict Access to Your Amazon S3 Content
- Specifying the AWS Accounts That Can Create Signed URLs and Signed Cookies (Trusted Signers)
- Choosing Between Signed URLs and Signed Cookies
- Using Signed URLs
  - Creating a Signed URL Using a Canned Policy
  - Creating a Signed URL Using a Custom Policy
- Using Signed Cookies
  - Setting Signed Cookies Using a Canned Policy
  - Setting Signed Cookies Using a Custom Policy
- Using a Linux Command and OpenSSL for Base64-Encoding and Encryption
- Code Examples for Creating a Signature for a Signed URL
Using HTTPS with CloudFront
- Requiring HTTPS Between Viewers and CloudFront
- Requiring HTTPS Between CloudFront and Your Custom Origin
- Requiring HTTPS Between CloudFront and Your Amazon S3 Origin
- Using Alternate Domain Names and HTTPS
- Supported Protocols and Ciphers
- Charges for HTTPS Connections
Authentication and Access Control
- Overview of Managing Access
- Using IAM Policies for CloudFront
- CloudFront API Permissions Reference
Access Logs
Monitoring CloudFront Activity Using CloudWatch
Capturing API Requests with CloudTrail
Tagging Amazon CloudFront Distributions
Troubleshooting
- Troubleshooting Distribution Issues
- Troubleshooting Error Responses from Your Origin
Load Testing CloudFront
Streaming Tutorials
- Live HTTP Streaming Using CloudFront and Any HTTP Origin
- On-Demand Video Streaming Using CloudFront and JW Player
Limits
Resources
Document History
AWS Glossary

Troubleshooting Error Responses from Your Origin

If CloudFront requests an object from your Amazon S3 bucket or custom origin server and your origin returns an HTTP 4xx or 5xx status code, there's a problem with communication between CloudFront and your origin. The following sections describe common causes for selected HTTP status codes and provides some possible solutions.

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