proftpd - Verbindung schlägt fehl

Status:	Verbinde mit 188.40.xx.xx:21...
Status:	Verbindung hergestellt, warte auf Willkommensnachricht...
Antwort:	220 ProFTPD 1.3.1 Server (... FTP) [188.40.xx.xx]
Befehl:	AUTH TLS
Antwort:	234 AUTH TLS successful
Status:	Initialisiere TLS...
Status:	Überprüfe Zertifikat...
Befehl:	USER xxx
Status:	TLS/SSL-Verbindung hergestellt.
Fehler:	Zeitüberschreitung der Verbindung
Fehler:	Herstellen der Verbindung zum Server fehlgeschlagen

#
# /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                      "... FTP"
ServerType                      standalone
DeferWelcome                    off




MultilineRFC2228                on
DefaultServer                   on
ShowSymlinks                    on




TimeoutNoTransfer               600
TimeoutStalled                  600
TimeoutIdle                     1200




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




DenyFilter                      \*.*/




# 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               188.40.xx.xx




# 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>




AuthUserFile /etc/proftpd/ftpd.passwd




AuthPAM off

#
# Proftpd sample configuration for FTPS connections.
#
# Note that FTPS impose some limitations in NAT traversing.
# See http://www.castaglia.org/proftpd/doc/contrib/ProFTPD-mini-HOWTO-TLS.html
# for more information.
#




<IfModule mod_tls.c>




TLSEngine                               on
TLSLog                                  /var/log/proftpd/tls.log
TLSProtocol                             SSLv23
#
# Server SSL certificate. You can generate a self-signed certificate using
# a command like:
#
# openssl req -x509 -newkey rsa:1024 \
#          -keyout /etc/ssl/private/proftpd.key -out /etc/ssl/certs/proftpd.crt \
#          -nodes -days 365
#
# The proftpd.key file must be readable by root only. The other file can be
# readable by anyone.
#
# chmod 0600 /etc/ssl/private/proftpd.key
# chmod 0640 /etc/ssl/private/proftpd.key
#
TLSRSACertificateFile                   /etc/proftpd/ssl/proftpd.cert.pem
TLSRSACertificateKeyFile                /etc/proftpd/ssl/proftpd.key.pem
#
# CA the server trusts
#TLSCACertificateFile                    /etc/ssl/certs/CA.pem
# or avoid CA cert
TLSOptions                              NoCertRequest
#
# Authenticate clients that want to use FTP over TLS?
#
TLSVerifyClient                         off
#
# Are clients required to use FTP over TLS when talking to this server?
#
TLSRequired                             off
#
# Allow SSL/TLS renegotiations when the client requests them, but
# do not force the renegotations.  Some clients do not support
# SSL/TLS renegotiations; when mod_tls forces a renegotiation, these
# clients will close the data connection, or there will be a timeout
# on an idle data connection.
#
#TLSRenegotiate                          required off
</IfModule>