List examples

A/B testing with same-URL direct access

Set up an A/B test by controlling what response is served based on cookies.

Append dates to cookies to use with A/B testing

Dynamically set a cookie expiration and test group.

Auth with headers

Allow or deny a request based on a known pre-shared key in a header. This is not meant to replace the WebCrypto API.

Bulk redirect based on a map object

Redirect requests to certain URLs based on a mapped object to the request's URL.

Country code redirect

Redirect a response based on the country code in the header of a visitor.

Debugging logs

Send debugging information in an errored response to a logging service.

Define CORS headers

Adjust Cross-Origin Resource Sharing (CORS) headers and handle preflight requests.

Override a Set-Cookie header with a certain value

Get a specific Set-Cookie header and update it with a certain value.

Redirect `403 Forbidden` to a different page

If origin responded with 403 Forbidden error code, redirect to different page.

Redirect from one domain to another

Redirect all requests from one domain to another domain.

Remove fields from API response

If origin responds with JSON, parse the response and delete fields to return a modified response.

Remove query strings before sending request to origin

Remove certain query strings from a request before passing to the origin.

Remove response headers

Remove from response all headers that start with a certain name.

Return information about the incoming request

Respond with information about the incoming request provided by Cloudflare’s global network.

Route to a different origin based on origin response

If response to the original request is not 200 OK or a redirect, send to another origin.

Send Bot Management information to origin

Send Bots information to your origin. Refer to Bot Managenent variables for a full list of available fields.

Send suspect bots to a honeypot

Use the bot score field to send bots to a honeypot.

Send timestamp to origin as a custom header

Convert timestamp to hexadecimal format and send it as a custom header to the origin.

Set security headers

Set common security headers such as X-XSS-Protection, X-Frame-Options, and X-Content-Type-Options.

Sign requests

Verify a signed request using the HMAC and SHA-256 algorithms or return a 403.

Slow down suspicious requests

Define a delay to be used when incoming requests match a rule you consider suspicious.

Validate JSON web tokens (JWT)

Extract the JWT token from a header, decode it, and implement validation checks to verify it.

import { ListExamples } from "~/components";

<ListExamples directory="rules/snippets/examples" />

There are also two optional, additional properties:

• filters string[]: A list of filters to render that helps someone filter the examples based on values in the frontmatter.
• additionalProducts string[]: A list of additional product examples to look across our docs for. Looks for anything matching the products frontmatter in examples across other areas of the docs.