Forum Discussion

jba3126's avatar
jba3126
Icon for Cirrostratus rankCirrostratus
Apr 10, 2015

How to preserve existing X-Forward-For Header when using SNAT

First question is does SNAT alter an existing X-Forward-For header?   We have a web service that goes DMZ LTM -> XML Security Device -> PBN LTM /with SNAT. The application has IP based role rest...
application delivery
LTM
microsoft
snat
x-forwarded-for
M_2's avatar
M_2
Icon for Altocumulus rankAltocumulus
Apr 11, 2015

First question is does SNAT alter an existing X-Forward-For header?

 

I have seen a setup like below where snat was altering client address.

 

Client > l4 ltm (snat2vip) > l7 ltm (xff cconfigured) > server

 

In the above case untill i remove snat in l4 my server was unable to see client address.

 

-sam