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Cloudflare Docs

Overview
Transform Rules
Rewrite URL
Create a rule in the dashboard
Create a rule via API
URL rewrite examples
Reference
URL rewrite parameters
Available fields and functions
Modify request header
Create a rule in the dashboard
Create a rule via API
Request header modification examples
Reference
Format of header names and values
Available fields and functions
API parameter reference
Modify response header
Create a rule in the dashboard
Create a rule via API
Response header modification examples
Reference
Format of header names and values
Available fields and functions
API parameter reference
Managed Transforms
Configure Managed Transforms
Available Managed Transforms
Work with Transform Rules
Troubleshooting
URL normalization
How it works
Configure in the dashboard
Available settings
Redirects
Single Redirects
Create rule in the dashboard
Create rule via API
Create rule using Terraform
Example rules
Available settings
Bulk Redirects
Concepts
How it works
Create in the dashboard
Create via API
Use cases
Reference
URL redirect parameters
Supported URL components
Available fields and functions
CSV file format
API JSON objects
FAQ
Origin Rules
Create a rule in the dashboard
Create a rule via API
Terraform example
Available settings
API parameter reference
FAQ
Configuration Rules
Create a rule in the dashboard
Create a rule via API
Terraform example
Available settings
Custom error responses
Create via API
Parameters
Error tokens
Reference
Edge Side Code deprecation

Response Header Modification Rules reference

This section contains reference information on HTTP Response Header Modification Rules.