This article applies to PRTG 22

I need to know which domains are contacted on which port. Also I would like to know if there is a possibility to configure an http proxy for this if http is used. I found settings for an http proxy under notification delivery settings, but I don't know if this proxy is also used for the Geo Maps feature. 

Important: As of version 17.4.33.3251, PRTG uses HERE Maps. If you cannot see your maps, update PRTG to the latest version. For more information, see Geo Maps Currently Not Working In PRTG.

Servers that PRTG connects to for Geo Maps

Depending on the Geo Map provider you choose, PRTG connects to different URLs to retrieve geo coordinates for a street address and to obtain map tiles.

Usually, only the web server needs to connect to these URLs to provide all necessary data to the client web browser. Sometimes, however, the client with which you use the web interface needs internet access as well.

Can I use a proxy?

By default, PRTG will try to use a direct internet connection. If a proxy is mandatory in your network, log in to the PRTG web interface and configure your proxy settings in the Core & Probes settings. For details about proxy settings, see PRTG Manual: System Administration—Core & Probes

Which servers does PRTG connect to?

Map ProviderDoes the Client Browser Need an Internet Connection?PRTG Server Connects to
HERE Maps
(Default map provider)		yeshttps://1.aerial.maps.api.here.com
https://2.aerial.maps.api.here.com
https://3.aerial.maps.api.here.com
https://4.aerial.maps.api.here.com
https://1.base.maps.api.here.com
https://2.base.maps.api.here.com
https://3.base.maps.api.here.com
https://4.base.maps.api.here.com
Nokia Maps
Discontinued		nohttp://where.yahooapis.com
http://open.mapquestapi.com *
http://geo.nlp.nokia.com *
http://a.maptile.maps.svc.ovi.com
http://b.maptile.maps.svc.ovi.com
http://c.maptile.maps.svc.ovi.com
CloudMade
Discontinued
Removed as of version 20.1.55		nohttp://where.yahooapis.com
http://open.mapquestapi.com *
http://geo.nlp.nokia.com *
http://a.tile.cloudmade.com
http://b.tile.cloudmade.com
http://c.tile.cloudmade.com
Open Street Maps
Discontinued		nothorn-01.openstreetmap.org
thorn-02.openstreetmap.org
thorn-03.openstreetmap.org
thorn-04.openstreetmap.org
thorn-05.openstreetmap.org
Google Static Mapsyes; client connects to Google servers (port 443)
http://maps.google.com/maps/api/staticmap		http://where.yahooapis.com
http://open.mapquestapi.com *
http://geo.nlp.nokia.com *
MapQuest
Discontinued since July 11, 2016. See Geo Maps Requires a Change of Map Service Provider for details.		nohttp://where.yahooapis.com
http://open.mapquestapi.com *
http://geo.nlp.nokia.com *
http://otile1.mqcdn.com
http://otile2.mqcdn.com
http://otile3.mqcdn.com
http://otile4.mqcdn.com
http://oatile1.mqcdn.com
http://oatile2.mqcdn.com
http://oatile3.mqcdn.com
http://oatile4.mqcdn.com

* On systems running PRTG version 13.2.3.1896/1897 or higher. We recommend that you do not use an earlier version.


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Disclaimer:
The information in the Paessler Knowledge Base comes without warranty of any kind. Use at your own risk. Before applying any instructions please exercise proper system administrator housekeeping. You must make sure that a proper backup of all your data is available.