H3C Technologies H3C S7500E Series Switches - Manual (Page 108)

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z In normal mode, the FTP server writes data to the storage medium while receiving data. This
means that any anomaly, power failure for example, during file transfer might result in file
corruption on the FTP server. This mode, however, consumes less memory space than the fast
mode.
Follow these steps to configure the FTP server:
To do… Use the command… Remarks
Enter system view system-view —
Enable the FTP server ftp server enable
Required
Disabled by default.
Use an ACL to control FTP clients’
access to the device
ftp server acl acl-number
Optional
By default, no ACL is used to control
FTP clients’ access to the device.
Configure the idle-timeout timer ftp timeout minutes
Optional
30 minutes by default.
Within the idle-timeout time, if there is
no information interaction between
the FTP server and client, the
connection between them is
terminated.
Set the file update mode for the
FTP server
ftp update { fast | normal }
Optional
Normal update is used by default.
Quit to user view quit —
Manually release the FTP
connection established with the
specified username
free ftp user username
Optional
Available in user view
Configuring Authentication and Authorization on the FTP Server
To allow an FTP user to access certain directories on the FTP server, you need to create an account
for the user, authorizing access to the directories and associating the username and password with the
account.
The following configuration is used when the FTP server authenticates and authorizes a local FTP user.
If the FTP server needs to authenticate a remote FTP user, you need to configure authentication,
authorization and accounting (AAA) policy instead of the local user. For detailed configuration, refer to
AAA Configuration in the Security Configuration Guide.
In local authentication, the device checks the input username and password against those configured
on the device. In remote authentication, the device sends the input username and password to the