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Nitrogen Headers

Request headers#

Your server will receive following request headers from Nitrogen :

X-Nv-True-Client-Ip#

This request header contains the IP of user’s device.

X-Nv-Geo-Country#

This request header contains 2 letter standard country code of user’s request country.

X-Nv-Device#

This request header contains 2 letter device-type-code.

- `dt`: Desktop
- `sp`: SmartPhone
- `tb`: Tablet
- `st`: SmartTV
- `bt`: Bot
- `ot`: Other

X-Nv-Geo-Lat#

This request header latitude of user’s request location.

X-Nv-Geo-Lon#

This request header longitude of user’s request location.

You can set these header names to the ones used in your code using Nitrogen headers module

Response headers#

Your can see following response headers for the requests that flew through Nitrogen :

X-Cache#

Refer this response header to know if the response was served from cache or origin.

- `HIT`: Response is served from CDN cache.
- `MISS`: Cache for response was expired/purged, and it is served from the origin.
- `NONCACHED`: Response is not set to be cached, and is served from the origin.

X-Nv-Ver#

Refer this response header to know the configuration version through which this request was served.

Nitrogen debug header#

X-Nv-Debug: 1

Add this header to the request, to see the following N7 configuration details in the value of X-Nv-Debug response header :

  • Version: Dash configuration version through which this request was served.
  • RedirectRule: Dash index of redirection rule applied to this request.
    Note: This will show index of redirection rules configured using Dash, not the ones configured using Shift CSV import.
  • RewriteRule: Dash index of rewrite rule applied to this request.
  • CachingRule: Dash index of caching rule applied to this request.
  • CachingEdgeTTL: Edge TTL set for this resource (in seconds).
  • ClientIP: IP of the device from which this request originated.

x-nv-debug-header

To see this info in browser, install any respective browser plugins available e.g. Simple modify headers , and set the X-Nv-Debug request header using it.
Then, in DevTools > Network > Response headers you will be able to see the details like below:

x-nv-debug-header