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Expand Up @@ -7,6 +7,10 @@ A **Cloudflare Ray ID** is an identifier given to every request that goes throug

Ray IDs are particularly useful when evaluating Security Events for patterns or false positives or more generally understanding your application traffic.

Ray IDs are added as a [request header, cf-ray](/fundamentals/reference/http-headers/#cf-ray), to the connection from Cloudflare to the origin web server.
As such the Ray IDs can be found using the Developer Tools in your browser or using curl with the `-v` option to show the headers.


:::caution
Ray IDs are not guaranteed to be unique for every request. In some situations, different requests may have the same Ray ID.
:::
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