User manual

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 Connection: Enter the maximum number of allowed FTP connections for the NAS and a
single account and check "Enable FTP transfer limitation" to specify the maximum upload
and download rates.
Note: The maximum number of FTP connections varies based on the size of RAM installed
on the NAS:
 If the NAS memory =< 1 GB, the maximum is 256.
 If the NAS memory = 2 GB, the maximum is 512.
 If the NAS memory >= 3 GB, the maximum is 1024.
Advanced
 Passive FTP Port Range: You can use the default port range (55536-56559) or specify
a port range larger than 1023. When using this function, make sure you have opened the
ports on your router or firewall.
 Respond with external IP address for passive FTP connection request: Enable
this function when a passive FTP connection is in use, the FTP server (NAS) is behind a
router, and a remote computer cannot connect to the FTP server over the WAN. When
this is enabled, the NAS replies with the specified IP address or automatically detects an
external IP address so that the remote computer is able to connect to the FTP server.