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Referrer entries in Web Adaptor logs

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01-06-2025 07:43 AM
berniejconnors
Frequent Contributor

Hello,

        When I see traffic from an ArcGIS Pro client in the Apache web logs on my web adaptor servers I see "Referrer" values like this:

ReferrerClient
http://www.esri.com/5632C003-ECE2-4DB8-BEE2-CC6D08A274A0ArcGIS Pro 3.1.0 (00000000000) - ArcGISPro
http://www.esri.com/B313609D-DCA5-4CDD-82CB-F1A014D076C0ArcGIS Pro 3.1.0 (00000000000) - ArcGISPro
http://www.esri.com/F466821A-1C7F-43B6-A235-DC1D9C3A5834ArcGIS Pro 3.1.0 (00000000000) - ArcGISPro
http://www.esri.com/F9AA4C25-5FBD-42A7-BC18-902C06235782ArcGIS Pro 3.1.0 (00000000000) - ArcGISPro
http://www.esri.com/E161FED4-D233-4A69-AF25-5E226CFBD0AEArcGIS Pro 3.1.0 (00000000000) - ArcGISPro
http://www.esri.com/15FE3CA5-8646-45DF-97B5-3D0E4B5E2BD2ArcGIS Pro 3.1.0 (00000000000) - ArcGISPro
http://www.esri.com/66D35596-3D96-4CA5-BF3B-496C0DB65397ArcGIS Pro 3.1.0 (00000000000) - ArcGISPro
http://www.esri.com/A3776C22-90F4-479F-B1ED-17484364CDAAArcGIS Pro 3.1.0 (00000000000) - ArcGISPro

 

Is there any information I can infer from the unique IDs in the Referrer URLs?  If I open one of these URLs I just get a 404 error from esri.com.  If I search for one of these unique IDs across multiple log files I find that some IDs only appear on one date and some IDs appear across multiple dates.  Is this just a unique session ID that is assigned when an ArcGIS Pro user signs in to their Portal / AGOL?

Thanks,

Bernie.

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1 Reply
DavidColey
MVP Regular Contributor

Yeah I am experiencing the same thing as shown in my IIS logs.  I need to resolve this because it's related to a bad query that keeps happening to a hosted Street layer and hammering my hosted site server logs with a SEVERE level entry.

I can't figure out what would be using esri.com from a ArcGIS Pro Client.  It is not Open Data.  But the request keeps looking for a {FULL_NAME} attribute on the hosted Street layer when it should be requesting {full_name}:

Hosted/Street/FeatureServer: Field name 'FULL_NAME' does not exist. Did you mean 'full_name'?

In my case, the client and referrer are:

Client:

ArcGIS+Pro+3.2.0+(00000000000)+-+ArcGISPro

Referrer:

http://www.esri.com/D187C34C-A620-43CE-A4B1-C53D26AE92AF

So if anyone has any ideas, that would be great.

 

 

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