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Forum Discussion

Ravi_K__Malhotr's avatar
Ravi_K__Malhotr
Icon for Nimbostratus rankNimbostratus
Aug 07, 2015

SMTP support with X-Forwarded-For in One-Armed Deployment

referencing to one of the KBs i read in DevCentral, there it was mentioned that X-Forwarded-for does support SMTP Traffic as well, in addition to HTTP. I just need to be sure on this. Can anyone ple...
application delivery
design
LTM
x-forwarded-for
Kevin_Stewart's avatar
Kevin_Stewart
Icon for Employee rankEmployee
Aug 07, 2015

Not at all true. XFF is an HTTP header.

 

SMTP is a clear text protocol, so you can technically inject information into it like client source address, but the mechanisms don't natively exist in the BIG-IP to do this. You'd need to create an SMTP proxy iRule (and there are few on DevCentral).