The steps should follow to enable the access is open ports 20 and 21 for inbound and outbound connections.
File transfer protocol is a communication protocol used to transfer files from a device to a client on a computer network.
You must open the correct ports on the firewall to allow FTP traffic into your DMZ. For outbound FTP connections, the correct ports are 20 and 21.
Thus, the steps should follow to enable the access is open ports 20 and 21 for inbound and outbound connections.
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