With the current information it is difficult to know how you are getting
this value, but have you tried using any of the headers below to get the
information you are looking for?
"X-Forwarded-For",
"Proxy-Client-IP",
"WL-Proxy-Client-IP",
"HTTP_X_FORWARDED_FOR",
"HTTP_X_FORWARDED",
"HTTP_X_CLUSTER_CLIENT_IP",
"HTTP_CLIENT_IP",
"HTTP_FORWARDED_FOR",
"HTTP_FORWARDED",
"HTTP_VIA",
"REMOTE_ADDR"
Otherwise, please attach a code sample of how you are getting the header
content in your code (please redact any private or possibly sensitive
information before sharing, as this is an open discussion), to try to
reproduce and further troubleshoot.
On Wednesday, May 19, 2021 at 11:58:28 AM UTC+2 tuur.g...@sympl.be wrote:
> Hello, I was wondering, have any of you set up Server Side Tagging in
> Google Tag Manager?
>
> I am receiving a geolocation issue here. First I used the Google’s App
> Engine domain.
>
> Through this setup, I received the following information in my HTTP
> requests with correct values:
>
> - X-Appengine-Country
> - X-Appengine-City
> - X-Forwarded-For
> - X-Appengine-User-Ip
>
> But now, since I linked my own sub domain to run everything in first party
> context, the values of these data aren’t right anymore. For some reason the
> X-Appengine-User-Ip uses the second value of X-Forwarded-For (and not the
> first anymore). Which results in wrong geolocation (as it uses the proxy IP
> and not the actual IP anymore).
>
> This issue results in wrong data in GA / GA4, as well as bad matching rate
> in Facebook Ads Manager.
>
> Any tips on how I can fix this?
>
> Thanks!
>
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