Code:

sudo gedit /etc/proftpd.conf

当然你可以按你的需要编辑你自己的proftpd.conf:

Code:
# To really apply changes reload proftpd after modifications.
AllowOverwrite on
AuthAliasOnly on

# Choose here the user alias you want !!!!
UserAlias sauron userftp

ServerName   "ChezFrodon"
ServerType    standalone
DeferWelcome   on

MultilineRFC2228 on
DefaultServer   on
ShowSymlinks   off

TimeoutNoTransfer 600
TimeoutStalled 100
TimeoutIdle 2200

DisplayFirstChdir               .message
ListOptions                 "-l"

RequireValidShell   off

TimeoutLogin 20

RootLogin    off

# It's better for debug to create log files ;-)
ExtendedLog    /var/log/ftp.log
TransferLog    /var/log/xferlog
SystemLog   /var/log/syslog.log

#DenyFilter   \*.*/

# I don't choose to use /etc/ftpusers file (set inside the users you want to ban, not useful for me)
UseFtpUsers off

# Allow to restart a download
AllowStoreRestart  on

# Port 21 is the standard FTP port, so don't use it for security reasons (choose here the port you want)
Port    1980

# To prevent DoS attacks, set the maximum number of child processes
# to 30.  If you need to allow more than 30 concurrent connections
# at once, simply increase this value.  Note that this ONLY works
# in standalone mode, in inetd mode you should use an inetd server
# that allows you to limit maximum number of processes per service
# (such as xinetd)
MaxInstances 8

# Set the user and group that the server normally runs at.
User                  nobody
Group                 nogroup

# Umask 022 is a good standard umask to prevent new files and dirs
# (second parm) from being group and world writable.
Umask    022 022

PersistentPasswd  off

MaxClients 8
MaxClientsPerHost 8
MaxClientsPerUser 8
MaxHostsPerUser 8

# Display a message after a successful login
AccessGrantMsg "welcome !!!"
# This message is displayed for each access good or not
ServerIdent                  on       "you're at home"

# Set /home/FTP-shared directory as home directory
DefaultRoot /home/FTP-shared

# Lock all the users in home directory, ***** really important *****
DefaultRoot ~

MaxLoginAttempts    5

#VALID LOGINS
<Limit LOGIN>
AllowUser userftp
DenyALL
</Limit>

<Directory /home/FTP-shared>
Umask 022 022
AllowOverwrite off
 <Limit MKD STOR DELE XMKD RNRF RNTO RMD XRMD>
 DenyAll
 </Limit>
</Directory>

<Directory /home/FTP-shared/download/*>
Umask 022 022
AllowOverwrite off
 <Limit MKD STOR DELE XMKD RNEF RNTO RMD XRMD>
 DenyAll
 </Limit>
</Directory>

<Directory> /home/FTP-shared/upload/>
Umask 022 022
AllowOverwrite on
 <Limit READ RMD DELE>
       DenyAll
     </Limit>

     <Limit STOR CWD MKD>
       AllowAll
     </Limit>
</Directory>