3DPrinterOS Cloud domains and ports that need to be whitelisted for the 3DPrinterOS Client:
HTTPS (Port 443):
cli-cloud.3dprinteros.comcli-cloud-update.3dprinteros.comlive3dprinteros.blob.core.windows.netclient3dprinteros.blob.core.windows.net
European Cloud
If your organization uses the 3DPrinterOS European Cloud (eu.3dprinteros.com), the Client uses these domains instead of the ones above.
HTTPS (Port 443):
cli-eu.3dprinteros.comcli-eu-update.3dprinteros.comliveeucloudfiles.blob.core.windows.netclient3dprinteros.blob.core.windows.net
Additional domains required for specific printer installations
The following domains are not required for the standard 3DPrinterOS Client, but may be needed during installation for certain printer models.
Ultimaker printers
Affects: Ultimaker 3, S3, S5, S7
HTTPS (Port 443):
cloud.3dprinteros.comcurl.sebuilds.3dprinteros.com
Creality printers
Affects: Creality 3v3 KE, K1, K2 series
HTTPS (Port 443):
builds.3dprinteros.com