试图通过google.com找到几个例子,但没有一个有效！？

在系统下添加了用户>用户

服务器：Debian上的proFTPD

编辑

Shell: /usr/sbin/nologin
Password: Normal password
Primary group: ftpgroup

ftp日志

STATUS:>    [18-10-2011 20:21:29] Connected. Authenticating...
COMMAND:>   [18-10-2011 20:21:29] USER web_onok
        [18-10-2011 20:21:29] 331 Password required for web_onok
COMMAND:>   [18-10-2011 20:21:29] PASS *****
        [18-10-2011 20:21:29] 530 Login incorrect.

CONF

#
# /etc/proftpd/proftpd.conf -- This is a basic ProFTPD configuration file.
# To really apply changes reload proftpd after modifications.
# 

# Includes DSO modules
Include /etc/proftpd/modules.conf

# Set off to disable IPv6 support which is annoying on IPv4 only Boxes.
UseIPv6             off
# If set on you can experience a longer connection delay in many cases.
IdentLookups            off

ServerName          "Debian"
ServerType          standalone
DeferWelcome            off

MultilineRFC2228        on
DefaultServer           on
ShowSymlinks            on

TimeoutNoTransfer       600
TimeoutStalled      600
TimeoutIdle         1200

DisplayLogin                   welcome.msg
DisplayChdir                .message true
ListOptions                     "-la"
ListOptions "" maxdepth 3
ListOptions "" maxdirs 10
ListOptions "" maxfiles 1000

DenyFilter          \*.*/

 <IfModule mod_auth_pam.c>
    AuthPAM off
  </IfModule>

# Use this to jail all users in their homes 
 DefaultRoot            ~

# Users require a valid shell listed in /etc/shells to login.
# Use this directive to release that constrain.
RequireValidShell       off

# Port 21 is the standard FTP port.
Port                21

# In some cases you have to specify passive ports range to by-pass
# firewall limitations. Ephemeral ports can be used for that,but
# feel free to use a more narrow range.
# PassivePorts                  49152 65534

# If your host was NATted,this option is useful in order to
# allow passive tranfers to work. You have to use your public
# address and opening the passive ports used on your firewall as well.
# MasqueradeAddress     1.2.3.4

# This is useful for masquerading address with dynamic IPs:
# refresh any configured MasqueradeAddress directives every 8 hours
<IfModule mod_dynmasq.c>
# DynMasqRefresh 28800
</IfModule>

# 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            30

# Set the user and group that the server normally runs at.
User                proftpd
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
# Normally,we want files to be overwriteable.
AllowOverwrite          on

# Uncomment this if you are using NIS or LDAP via NSS to retrieve passwords:
# PersistentPasswd      off

# This is required to use both PAM-based authentication and local passwords
# AuthOrder         mod_auth_pam.c* mod_auth_unix.c

# Be warned: use of this directive impacts cpu average load!
# Uncomment this if you like to see progress and transfer rate with ftpwho
# in downloads. That is not needed for uploads rates.
#
# UseSendFile           off

TransferLog /var/log/proftpd/xferlog
SystemLog   /var/log/proftpd/proftpd.log

<IfModule mod_quotatab.c>
QuotaEngine off
</IfModule>

<IfModule mod_ratio.c>
Ratios off
</IfModule>


# Delay engine reduces impact of the so-called Timing Attack described in
# http://security.lss.hr/index.PHP?page=details&ID=LSS-2004-10-02
# It is on by default. 
<IfModule mod_delay.c>
DelayEngine on
</IfModule>

<IfModule mod_ctrls.c>
ControlsEngine        off
ControlsMaxClients    2
ControlsLog           /var/log/proftpd/controls.log
ControlsInterval      5
ControlsSocket        /var/run/proftpd/proftpd.sock
</IfModule>

<IfModule mod_ctrls_admin.c>
AdminControlsEngine off
</IfModule>

#
# Alternative authentication frameworks
#
#Include /etc/proftpd/ldap.conf
#Include /etc/proftpd/sql.conf

#
# This is used for FTPS connections
#
#Include /etc/proftpd/tls.conf

# A basic anonymous configuration,no upload directories.

# <Anonymous ~ftp>
#   User                ftp
#   Group               nogroup
#   # We want clients to be able to login with "anonymous" as well as "ftp"
#   UserAlias           anonymous ftp
#   # Cosmetic changes,all files belongs to ftp user
#   DirFakeUser on ftp
#   DirFakeGroup on ftp
# 
#   RequireValidShell       off
# 
#   # Limit the maximum number of anonymous logins
#   MaxClients          10
# 
#   # We want 'welcome.msg' displayed at login,and '.message' displayed
#   # in each newly chdired directory.
#   DisplayLogin            welcome.msg
#   DisplayChdir        .message
# 
#   # Limit WRITE everywhere in the anonymous chroot
#   <Directory *>
#     <Limit WRITE>
#       DenyAll
#     </Limit>
#   </Directory>
# 
#   # Uncomment this if you're brave.
#   # <Directory incoming>
#   #   # Umask 022 is a good standard umask to prevent new files and dirs
#   #   # (second parm) from being group and world writable.
#   #   Umask               022  022
#   #            <Limit READ WRITE>
#   #            DenyAll
#   #            </Limit>
#   #            <Limit STOR>
#   #            AllowAll
#   #            </Limit>
#   # </Directory>
# 
# </Anonymous>

<GLOBAL>
    ListOptions "-la"
</GLOBAL>

IdentLookups off
UseReverseDNS off

DefaultRoot                  ~
RequireValidShell            off
AuthUserFile                 /etc/proftpd/passwd

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

<Directory /home/webadmin>
AllowOverride off
   <Limit ALL>
      DenyAll
   </Limit>
   <Limit DIRS READ WRITE>
      AllowUser webadmin
   </Limit>
</Directory>