I'm very new to Palo, but not new to firewalls and my background is more with applications. This is to do with HTTP(S) traffic with a GET verb and Health Checks in AWS. This is a pre-existing system deployed in AWS as EC2s and I'm wondering if I'm missing something obvious.
I'm trying to see if there is a way of injecting something unique about each firewall to identify which firewall some HTTP(S) traffic came through. This can be anything, I'm really not picky: Internal IP, AWS Instance ID, hostname, MAC address, anything that is unique. .
The incoming request for this port will always be a GET and there is nothing at AWSs load balancers that will let me differentiate, so I'm hoping the PALO can add something.
Injection can be either as a header, a query parameter, or change the GET to a POST and add some JSON body to it with some unique data, I'm open to anything.
The PALOs are Active/Active with the same firewall configuration on each, so I don't think I can hard code any values in the "Http Header Insertion" --> Custom Headers section.
I may have missed something very obvious (be gentle - its my first post here and I tried to do my research first). If I have, or you have any suggestions, I'm open to any ideas
If it makes any difference the devices are at PAN-OS 10.1
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