You can verify that your web traffic is flowing through Instart's service 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:
X-Instart-Via: 1.1 SJC01-ACCEL09
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:
|NOTE||The format of this header is subject to change. Please contact us 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: