Custom headers(e.g X-Forwarded-For) can be applied through Accelerator->Caching->Cache Profiles
You can add custom headers to the Custom Headers[Advanced] Block to have it applied to server using the profile
Non Cached Server
Servers which is not cached and does not make use of a cache profiles will need to be updated in order to apply custom headers.
- Add new profile which can be identified as a non cache profile
- Simply remove 200 302 1d out of Responses Cache[Advanced] section, Doing so will render the cache profile as a non cached profile
- Continue with adding additional headers to Custom Headers[Advanced] as Illustrated.
- Link newly create non cached profile to server to apply custom headers as required.