These are outbound Firewall port requirements. There is no need to create any rules for inbound traffic. You may only be set up to allow HTTP, HTTP(S), FTP, etc., and so sometimes it is necessary for you to adjust your settings.
- From: Inside
- Source Ports:
- TCP: Any
- Destination Ports:
- TCP:30000-30999 (Dynamic SSL/TLS Ports)
- TCP:21 (FTP Control Connection)