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To do… Use the command… Remarks
Configure a password for the
specified user
password { simple | cipher }
password
Optional
By default, no password is
configured.
Configure the service type as
FTP
service-type ftp
Required
By default, no service is
configured.
Enabling an FTP server
Follow these steps to enable an FTP server:
To do… Use the command… Remarks
Enter system view
system-view
—
Enable the FTP server function
ftp server enable
Required
Disabled by default.
z Only one user can access a 3com switch 4500 at a given time when the latter operates as an FTP
server.
z Operating as an FTP server, a 3com switch 4500 cannot receive a file whose size exceeds its
storage space. The clients that attempt to upload such a file will be disconnected with the FTP
server due to lack of storage space on the FTP server.
z When you log in to a Fabric consisting of multiple switches through an FTP client, after the FTP
client passes authentication, you can log in to the master device of the Fabric.
z You cannot access a 3com switch 4500 operating as an FTP server through Microsoft Internet
Explorer. To do so, use other client software.
To protect unused sockets against attacks, the 3com switch 4500 provides the following functions:
z TCP 21 is enabled only when you start the FTP server.
z TCP 21 is disabled when you shut down the FTP server.
Configuring connection idle time
After the idle time is configured, if the server does not receive service requests from a client within a
specified time period, it terminates the connection with the client, thus preventing a user from occupying
the connection for a long time without performing any operation.