User Guide

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The maximum number of connections allowed per IP or system.
Max upload rate:
The maximum upload speed per connection. 0 represents no limitation.
Max download rate:
The maximum download speed per connection. 0 represents no limitation.
Passive FTP:
To minimize the security concerns of connecting from a server to a client, a type of connection
mode called Passive Mode (PASV) was developed. When a client program starts to connect, it
will notify the server to activate Passive Mode.
Respond with External IP:
By enabling this option, the server will report its external IP address to FTP clients. This option
only works when the ASUSTOR NAS is behind a NAT, and the FTP clients belong to a different
subnet than the ASUSTOR NAS does. In most cases, this option is unnecessary, but if FTP clients
fail to connect to the ASUSTOR NAS, then you can enabled this option and try again.
Note: About Passive FTP
Passive mode FTP can be used to overcome the problem of active mode FTP being blocked by
firewalls. Passive FTP makes the FTP client establish all connections to the FTP server, as opposed