Couldn't register Sophos Firewall for RED services
When you register Sophos Firewall for RED services, you receive the message,
Registering with RED service failed.
You're unable to connect to the RED provisioning server.
Check if you can reach the RED service through telnet.
On the command line, type as follows:
telnet red.astaro.com 3400
If the result shows
Connected to red.astaro.com, a high network load may be preventing you from registering with the provisioning server. Try registering later.