Missing Data in Insights (Proxy Issue)

If you log in to ControlUp Insights, but do not see any data, an error describing an issue uploading data to S3 (insights server) may appear as follows.

Error Message: Failed to upload file to s3.
Unexpected error occurred during HR Uploader Upload Package Fragments.
Error Description:
-------------------------
1. Error type - IndexOutOfRangeException: Index was outside the bounds of the array.

Stack Trace:
-------------------------
at System.Security.Cryptography.RijndaelManagedTransform.DecryptData(Byte[] inputBuffer, Int32 inputOffset, Int32 inputCount, Byte[]& outputBuffer, Int32 outputOffset, PaddingMode paddingMode, Boolean fLast)
at System.Security.Cryptography.RijndaelManagedTransform.TransformFinalBlock(Byte[] inputBuffer, Int32 inputOffset, Int32 inputCount)
at System.Security.Cryptography.CryptoStream.FlushFinalBlock()
at System.Security.Cryptography.CryptoStream.Dispose(Boolean disposing)
at System.IO.Stream.Close()
at SmartX.ControlUp.Client.HistoricalReporting.Uploader.UploadRoutine.HRUploader.ogAIL4euup(ControlUpPackageDescriptor   , HRUploader State  , InputFileForUpload   , String )
at SmartX.ControlUp.Client.HistoricalReporting.Uploader.UploadRoutine.HRUploader.EDnlvXO2ae(ControlUpPackageDescriptor  , HRUploaderState  , String  )

Error Message: Index was outside the bounds of the array.

Reason

The error message indicates that your monitor machines can not connect to the ControlUp cloud servers. For this reason, the ControlUp Monitor(s) can not upload your Insights data.

Solution

Make sure to whitelist the following API endpoints via TCP port 443 (https):

US (+Non-EU) customers:
fe2.controlup.com
fe4.controlup.com
rt-app.controlup.com
rt-app.controlup.com
cu-ca-us.controlup.com
mp.controlup.com
s3.amazonaws.com
insights-hec.controlup.com

EU customers:

fe1.controlup.com
fe3.controlup.com
rt-app.controlup.com
rt-app.controlup.com
cu-ca-eu.controlup.com
mp.controlup.com
s3.eu-central-1.amazonaws.com
insights-hec.controlup.com
uploader-eu-central-1.controlup.com