Threat logs from DNS Proxy zone not showing source IP

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Palo Alto Networks Approved
Palo Alto Networks Approved
Community Expert Verified
Community Expert Verified

Threat logs from DNS Proxy zone not showing source IP

We use DNS Proxy on 3 of our zones with the firewall IP as the address that the traffic is proxied to. In other words, the firewall proxies the network traffic with it's own IP address.


However, in the threat logs, we have some threats that do not show the original source IP and instead show the firewall's IP as the source address, due to the proxy. 


How can I get the true source IP? 


Regards and thanks in advance,




Cyber Elite
Cyber Elite

having sinkhole enabled will reveal the source IP as that will connect to the sinkhole IP address

to detect the malicious DNS looklup from the original client, you'd need to create a security rule from the source subnet to the proxy IP with security profiles enabled, so the original request is intercepted

Tom Piens
PANgurus - Strata specialist; config reviews, policy optimization

I will go configure this and report back. Thank you very much, I thought nobody would respond.


I also read the second edition of your textbook and it was great when I got this job

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