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There are two ways an Android device communicates with the SVC server. One is the Google Cloud Messaging (GCM) notification and the other is periodical polling. Android devices leverage these to receive commands, apply server configurations, and send malware logs.

As the administrator, set up the following firewall rules to ensure that WFBS-SVC can communicate with registered Android devices:

PortRuleDescription
5228Set outbound rule to android.apis.google.comAndroid devices will connect to GCM through this port.
5229Set outbound rule to android.apis.google.comAndroid devices will connect to GCM through this port.
5230Set outbound rule to android.googleapis.comAndroid devices will connect to GCM through this port.
443Set outbound rule to android.googleapis.com and www.google.comAndroid devices will connect to GCM through this port.