Probleme bei der Konfiguraion von FTP-Server

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# Copyright (c) 2009-2015 Keppler IT GmbH.
# ----------------------------------------------------------------------------
# Includes DSO modules
Include /etc/proftpd/modules.conf


# If set on you can experience a longer connection delay in many cases.
<IfModule mod_ident.c>
IdentLookups                    off
</IfModule>


ServerIdent                     off
ServerName                      "FTP Server"
ServerType                      standalone
DeferWelcome                    off


MultilineRFC2228                on
DefaultServer                   on
ShowSymlinks                    on


TimeoutNoTransfer               600
TimeoutStalled                  600
TimeoutIdle                     1200


DisplayLogin                    welcome.msg
DisplayChdir                    .message true
ListOptions                     "-al"


DenyFilter                      \*.*/


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


# Allow continuation of uploads/downloads
AllowRetrieveRestart            On
AllowStoreRestart               On


# 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


# Workaround for nasty problem with FileZilla:
<IfModule mod_facts.c>
  FactsAdvertise off
</IfModule>


# Limit maximum number of concurrent users
MaxClients                      100
# Allow 2 more instances to display error message to any more users
# trying to log in
MaxInstances                    102
# Limit maximum number of concurrent connections per IP/user
MaxClientsPerHost               5
MaxClientsPerUser               5
<IfModule mod_tls.c>
  TLSEngine On


  # Support TLSv1 (no more SSLv3 due to POODLE attack)
  TLSProtocol TLSv1


  # Safe ciphers:
  TLSCipherSuite ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES$
  # Are clients required to use FTP over TLS when talking to this server?
TLSRequired on
TLSOptions NoSessionReuseRequired
  # Server's certificate
  TLSRSACertificateFile /etc/ssl/certs/proftpd.crt
  TLSRSACertificateKeyFile /etc/ssl/private/proftpd.key
  TLSDHParamFile /etc/proftpd/dhparams.pem


  # Authenticate clients that want to use FTP over TLS?
  TLSVerifyClient off


</IfModule>


# Virtual FTP users file
AuthUserFile /etc/proftpd/passwd


# 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
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>


# include additional configuration files
Include /etc/proftpd/conf.d/*.conf
# <EOF>-----------------------------------------------------------------------