Question: My server is behind the firewall. What ports do I need to keep open?
If your server is behind the firewall, the following common ports needs to remain open.
Firewall Settings for HC Panel:
HC uses following ports to communicate between primary and secondary machines, make sure it is allowed in inbound and outbound firewall rule.
HC Administration Website: 8797 (Optional)
HC Provisioning Service: 8796
HC Portal API: 8798
HC Client Service 8795
HC Server Service 8794
SMTP SSL 465
IMAP SSL 993
POP SSL 995
MSSQL Server 1433
MSSQL Monitor 1434
Remote Server Connection:
Remote Desktop Protocol (Terminal Service) 3389
Linux SSH 22
External Reference: The Well Known Ports are assigned by the IANA. A good port assignment reference is available at http://www.iana.org/assignments/port-numbers