Mar 27, 2026 - For details about updated CVE-2025-53521 (BIG-IP APM vulnerability), refer to K000156741.

Forum Discussion

ajafari_2524's avatar
ajafari_2524
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Nov 10, 2012

Publishing private IP in Email Header After PAT

Kindly note that we have and F5 implementation as part of a third party solution which we are having problem with.     The issue is that the F5 node is doing PAT on internal IP addresses when...
config
design
ajafari_2524's avatar
ajafari_2524
Icon for Nimbostratus rankNimbostratus
Nov 10, 2012
to insert a fake received-from header into the SMTP headers so that the BigIP looks like an SMTP hop

 

 

Thanks for the tip hamish, however I am not sure where should this inseration happen? I mean should it be on the client side or at the Big IP side? and how?

 

 

Thanks again

 

AJ