Using FTP passive mode, after the client opens the command channel (port 21) to the ftp server and requests passive mode, the next step will be:
The FTP server allocates a port to use fro the data channel and transmit that port number to the client
Information Security Notes
Using FTP passive mode, after the client opens the command channel (port 21) to the ftp server and requests passive mode, the next step will be:
The FTP server allocates a port to use fro the data channel and transmit that port number to the client