You'd like to find out more about how the Exclaimer Cloud Signature Update Agent connects to the internet to download signatures. You have a restrictive firewall policy and need to whitelist the URLs used by the Agent.
The Exclaimer Cloud Signature Update Agent uses the following URLs - please add these to your firewall allow/exceptions list to ensure that the Exclaimer Cloud Signature Update Agent can connect successfully:
|login.microsoftonline.com||Used to authenticate to Azure.|
|secure.aadcdn.microsoftonline-p.com||Used to authenticate to Azure.|
|cloudgeolocationcdn.azureedge.net||Used to determine which datacenter to connect to.|
(Where <region code> is replaced with the region code for the subscription, see: How to check your region code)
|Used to download signature data.|
UK United Kingdom
US United States
For more information on the version number, see Exclaimer Cloud Signature Update Agent (Windows) - Version Release History.