https://bz.apache.org/bugzilla/show_bug.cgi?id=61670
Bug ID: 61670
Summary: X-Forwarded-For: 10.11.12.13:12345 creates a AAAA dns
query
Product: Apache httpd-2
Version: 2.4.6
Hardware: PC
OS: Mac OS X 10.1
Status: NEW
Severity: normal
Priority: P2
Component: mod_remoteip
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 35465
--> https://bz.apache.org/bugzilla/attachment.cgi?id=35465&action=edit
tcpdump showcasing the extra AAAA dns query
Azure's Application Gateway forwards the useragent ip via the X-Forwarded-For
header as documented [1] and adds the port to it.
Trouble is that remoteip picks up and does a AAAA dns query resulting obviously
in a negative response.
This should not happen - stripping of the port there is no extra dns query.
[1]
https://docs.microsoft.com/en-us/azure/application-gateway/application-gateway-faq
I've attached a tcpdump that showcase the error.
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