How can you tell if traffic is flowing through the Instart platform?
You can verify that your web traffic is flowing through Instart's platform in the following manner:
Traffic towards the origin:
For every HTTP request to the origin, we insert a X-Instart-Via header. The header looks like this:
The Host header defaults to whatever the browser requests with, but in can be configured to any custom value.
We also set the X-Forwarded-For header with the actual client IP. Please use that header to get this information.
Traffic towards the client browser:
For every HTTP response sent to the client, we insert a custom header with a unique ID. The header looks like this:
The format of this header is subject to change. Please contact Support if you see a change in the format without having been informed about it beforehand.
If the response is from a cache hit, we also add another header: