Forum Discussion
NimbostratusHow can I preserve the original HTTP Host Header to the Backendservers?
Hi guys,
I'm trying the following configuration to loadbalance a RH SSO Key cloack Cluster:
clientIP -> https/443 -> (clientssl-Profile) F5-Virtual Server (serverssl-Profile) -> SNAT-IP -> tcp8443 -> Backendserver
The Backendserver need to see the original client http Header, so I created a http Profile with the "Insert X-Forwarded-For"-Option enabled.
Alternative I tried the following iRule:
when HTTP_REQUEST { HTTP::header insert X-Forwarded-For [IP::client_addr] }
Unfortunaly, both ways didn't work properly... How can I preserve the whole original HTTP Host Header trough the F5 to the Backendservers?
Thank you!
3 Replies
Stanislas_Piro2Cumulonimbus
This is the default behavior. X-Forwarded-For option insert client IP address in headers, but doesn't change the Host header.
Only1masterbla1Cirrus
F5 does not change HTTP headers by default. You can add headers (e.g. X-FORWARDED-FOR) thru http profile config. You can add/delete/modify host headers thru iRule.
by default big-ip does not modify http headers. what does make you think that headers are being modified?
