Why will my remote console not connect to my cloud server
Data Center Designer
Our remote console uses Virtual Network Computing (VNC) and requires port 5900. Please use the most recent version from Oracle Java and allow the ports 80 (HTTP), 443 (HTTPS) and 5900 (VNC) be made available for outgoing connection requests on demand in your firewall. The remote console is immediately available after the provisioning of your server.
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Additional FAQs and support information can be found on the following resources:
ProfitBricks Cloud Computing Blog
ProfitBricks Press & Infocenter