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Problème de configuration standard de proftpd



Bonjour,

j'ai installé simplement proftpd, chose que j'ai déjà faite de
nombreuse fois sur d'autre poste, mais cette fois-ci je n'arrive pas à
me loguer.

Dans /var/log/proftpd/proftpd.log j'ai ceci :

Oct 20 11:16:45 intra.example.com proftpd[1421] intra.example.com
(::ffff:192.168.1.147[::ffff:192.168.1.147]): ProFTPD terminating
(signal 11)
Oct 20 11:16:45 intra.example.com proftpd[1421] intra.example.com
(::ffff:192.168.1.147[::ffff:192.168.1.147]): FTP session closed.
Oct 20 11:16:51 intra.example.com proftpd[1422] intra.example.com
(::ffff:192.168.1.147[::ffff:192.168.1.147]): ProFTPD terminating
(signal 11)
Oct 20 11:16:51 intra.example.com proftpd[1422] intra.example.com
(::ffff:192.168.1.147[::ffff:192.168.1.147]): FTP session closed.
Oct 20 11:17:07 intra.example.com proftpd[1425] intra.example.com
(::ffff:192.168.1.147[::ffff:192.168.1.147]): ProFTPD terminating
(signal 11)
Oct 20 11:17:07 intra.example.com proftpd[1425] intra.example.com
(::ffff:192.168.1.147[::ffff:192.168.1.147]): FTP session closed.
Oct 20 11:17:38 intra.example.com proftpd[1428] intra.example.com
(::ffff:192.168.1.147[::ffff:192.168.1.147]): ProFTPD terminating
(signal 11)
Oct 20 11:17:38 intra.example.com proftpd[1428] intra.example.com
(::ffff:192.168.1.147[::ffff:192.168.1.147]): FTP session closed.
Oct 20 11:18:23 intra.example.com proftpd[1429] intra.example.com
(::ffff:192.168.1.147[::ffff:192.168.1.147]): ProFTPD terminating
(signal 11)
Oct 20 11:18:23 intra.example.com proftpd[1429] intra.example.com
(::ffff:192.168.1.147[::ffff:192.168.1.147]): FTP session closed.

Mon fichier proftpd.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

ServerName                      "Debian"
ServerType                      standalone
DeferWelcome                    off

MultilineRFC2228                on
DefaultServer                   on
ShowSymlinks                    on

TimeoutNoTransfer               600
TimeoutStalled                  600
TimeoutIdle                     1200

DisplayLogin                    welcome.msg
DisplayFirstChdir               .message
ListOptions                     "-l"

DenyFilter                      \*.*/

UseReverseDNS off
UseFtpUsers 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

# 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

DefaultRoot ~

# 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 to retrieve passwords:
# PersistentPasswd              off

# 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_tls.c>
TLSEngine off
</IfModule>

<IfModule mod_quota.c>
QuotaEngine on
</IfModule>

<IfModule mod_ratio.c>
Ratios on
</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        on
ControlsMaxClients    2
ControlsLog           /var/log/proftpd/controls.log
ControlsInterval      5
ControlsSocket        /var/run/proftpd/proftpd.sock
</IfModule>

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

# 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
#   DisplayFirstChdir           .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>

Vous avez une idée de l'origine du problème ?

Merci d'avance.
Stéphane



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