Using the FTP Server Function

Setting flow

To use the application that establishes a communication via the FTP server of this machine, set the FTP server function of this machine.

To use the FTP server of this machine for the association, follow the below procedure to configure the settings.

  1. Configuring network settings of this machine ( [Network Settings] )

  2. Configuring the FTP server ( [Configuring the FTP server settings] )

Configuring the FTP server settings

Configure settings to enable use of the FTP server function of this machine.

Select [Network] - [FTP Setting] - [FTP Server Setting] in administrator mode of Web Connection (or in [Utility] - [Administrator] of this machine), and configure the following settings.

Setting

Description

[FTP Server]

When using the FTP server function of this machine, set this option to ON (default: OFF).

[Deny Reception Command]

Select a command to deny a receiving job from an FTP client (default: [Allow]).

Set this option to return an error when a PORT/EPRT command or PASV/EPSV command is sent from an FTP client to this machine.

[PORT Command Enhanced Security]

When enabling the security of this machine against FTP bounce attacks, set this option to ON (default: ON). This option is not available if [Deny Reception Command] is set to [PORT/EPRT].

When a PORT/EPRT command is sent from an FTP client, the data connection is established only if both of the following conditions are satisfied:

  • A port number less than 1024 is not specified.

  • The IP address specified by the command is same as that specified when a control connection is established.