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Forum Discussion

Wasfi_182818's avatar
Wasfi_182818
Icon for Altostratus rankAltostratus
Sep 22, 2016

Insert response data based on request Data.

Hi;   Can a response HTTP header be inserted based on the source IP Address of the HTTP request? Similarly, can a DNS A query response coming from a load balanced DNS be modified based on the sour...
application delivery
BIG-IP
LTM
Kai_Wilke's avatar
Kai_Wilke
Icon for MVP rankMVP
Sep 22, 2016

Hi Wasfi,

both tasks are possible.

The HTTP stuff is fairly easy to implement with an iRule.

And if you own a license for 

[DNS::*]
related iRule commands, the DNS stuff will be also fairly easy to implement. If not, then you have to parse the DNS request packetwise and rewrite them as needed. This could be a real challange if you don't have much iRule and DNS experience... 😉

Cheers, Kai