For those users who are accessing the system from an extremely locked down workstation, you may need to have your IT department open the following outbound ports:
HTML5: TCP Port 443 (Standard HTTPS)
RDP/RemoteApps Client: TCP Port 443 (Standard HTTPS) and Port 3391 (UDP)
FTP: TCP port 21, 990, 9000-9003 (Secure FTP)
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