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Old 21st May 2010, 12:51
puya4ever puya4ever is offline
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Default proFTPd passive mode don't work

Hi to everyone . I have a big problem with my proFTPd . It don't work via external ip, it works perfectly only when I type ftp://192.168.0.178 . I have activated passive mode and forwarded these ports from router to 192.168.0.178 but it's same problem . When I type ftp://myglobalip it ask me for a password, and when I typed it don't do anything, just load.

I've read maybe I have a firewall . How to config this firewall ? how to disable it ? My distribution is debian 5 lenny minimal installation .

Here is my proftpd.conf

Code:
#
# /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

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

ServerName			"VSHost 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                	"-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 60000 60015

# 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		myglobalip

# 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>

DefaultRoot ~


# The passwords in MySQL are encrypted using CRYPT
SQLAuthTypes            Plaintext Crypt
SQLAuthenticate         users* groups*


# used to connect to the database
# databasename@host database_user user_password
SQLConnectInfo  proftpd@localhost proftpd proftpdpassword


# Here we tell ProFTPd the names of the database columns in the "usertable"
# we want it to interact with. Match the names with those in the db
SQLUserInfo     ftpuser userid passwd uid gid homedir shell

# Here we tell ProFTPd the names of the database columns in the "grouptable"
# we want it to interact with. Again the names match with those in the db
SQLGroupInfo    ftpgroup groupname gid members

# set min UID and GID - otherwise these are 999 each
SQLMinID        500

# create a user's home directory on demand if it doesn't exist
SQLBackend mysql

# Update count every time user logs in
SQLLog PASS updatecount
SQLNamedQuery updatecount UPDATE "count=count+1, accessed=now() WHERE userid='%u'" ftpuser

# Update modified everytime user uploads or deletes a file
SQLLog  STOR,DELE modified
SQLNamedQuery modified UPDATE "modified=now() WHERE userid='%u'" ftpuser

# User quotas
# ===========
#QuotaEngine on
#QuotaDirectoryTally on
#QuotaDisplayUnits Mb
#QuotaShowQuotas on

#SQLNamedQuery get-quota-limit SELECT "name, quota_type, per_session, limit_type, bytes_in_avail, bytes_out_avail, bytes_xfer_avail, files_in_avail, files_out_avail, files_xfer_avail FROM ftpquotalimits WHERE name = '%{0}' AND quota_type = '%{1}'"
#SQLNamedQuery get-quota-tally SELECT "name, quota_type, bytes_in_used, bytes_out_used, bytes_xfer_used, files_in_used, files_out_used, files_xfer_used FROM ftpquotatallies WHERE name = '%{0}' AND quota_type = '%{1}'"

#SQLNamedQuery update-quota-tally UPDATE "bytes_in_used = bytes_in_used + %{0}, bytes_out_used = bytes_out_used + %{1}, bytes_xfer_used = bytes_xfer_used + %{2}, files_in_used = files_in_used + %{3}, files_out_used = files_out_used + %{4}, files_xfer_used = files_xfer_used + %{5} WHERE name = '%{6}' AND quota_type = '%{7}'" ftpquotatallies

#SQLNamedQuery insert-quota-tally INSERT "%{0}, %{1}, %{2}, %{3}, %{4}, %{5}, %{6}, %{7}" ftpquotatallies

#QuotaLimitTable sql:/get-quota-limit
#QuotaTallyTable sql:/get-quota-tally/update-quota-tally/insert-quota-tally

UseReverseDNS off

RequireValidShell off
And here is my proftpd log:
Code:
May 21 05:22:28 host proftpd[10825] host.mywebsite.com: ProFTPD 1.3.1 (stable) (built Tue Oct 27 10:09:08 UTC 2009) standalone mode STARTUP
May 21 05:22:39 host proftpd[10831] host.mywebsite.com (::ffff:MyGlobalIP[::ffff:MyGlobalIP]): FTP session opened.
May 21 05:22:39 host proftpd[10831] host.mywebsite.com (::ffff:MyGlobalIP[::ffff:MyGlobalIP]): no such user 'anonymous'
May 21 05:22:39 host proftpd[10831] host.mywebsite.com (::ffff:myglobalip[::ffff:MyGlobalIP]): USER anonymous: no such user found from ::ffff:MyGlobalIP [::ffff:MyGlobalIP] to ::ffff:192.168.0.178:21
May 21 05:22:45 host proftpd[10831] host.mywebsite.com (::ffff:MyGlobalIP[::ffff:MyGlobalIP]): USER joe: Login successful.
May 21 10:22:45 host proftpd[10831] host.mywebsite.com (::ffff:MyGlobalIP[::ffff:MyGlobalIP]): Preparing to chroot to directory '/var/www'
And here is my dir /etc/init.d/ maybe you can see if I have an firewall :


Code:
acpid              ifupdown               mysql-ndb-mgm  single
apache2            ifupdown-clean         networking     skeleton
atd                keymap.sh              nfs-common     ssh
bootlogd           killprocs              openbsd-inetd  stop-bootlogd
bootmisc.sh        module-init-tools      portmap        stop-bootlogd-single
checkfs.sh         mountall-bootclean.sh  procps         udev
checkroot.sh       mountall.sh            proftpd        udev-mtab
console-screen.sh  mountdevsubfs.sh       rc             umountfs
cron               mountkernfs.sh         rc.local       umountnfs.sh
exim4              mountnfs-bootclean.sh  rcS            umountroot
glibc.sh           mountnfs.sh            README         urandom
halt               mountoverflowtmp       reboot         vsftpd
hostname.sh        mtab.sh                rmnologin      x11-common
hwclockfirst.sh    mysql                  rsyslog
hwclock.sh         mysql-ndb              sendsigs

Please help me !


edit: seems to be a problem with ports forwarding because if I remove this forwarding from router, the error it's same . Maybe my debian 5 lenny have a default firewall or something? I already tried iptables -F , without any success.

Last edited by puya4ever; 21st May 2010 at 14:22.
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  #2  
Old 22nd May 2010, 14:23
falko falko is offline
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Default

I guess the problem is the firewall on your router...
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  #3  
Old 26th May 2010, 18:10
haplo84 haplo84 is offline
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Default

I have a similar problem, perhaps the same.
My problem is that I configured the passive ports bus the server arent using them
Quote:
Include /etc/proftpd/modules.conf

UseIPv6 on

IdentLookups off

ServerName "XXXX"
ServerType standalone #inetd
DeferWelcome on

MultilineRFC2228 on
DefaultServer on
ShowSymlinks on

TimeoutNoTransfer 600
TimeoutStalled 600
TimeoutIdle 1200

DisplayLogin /home/ftp/welcome.msg
DisplayChdir .message true
ListOptions "-l"

DenyFilter \*.*/

# Use this to jail all users in their homes
DefaultRoot /var/ftp/data/

# Port 21 is the standard FTP port.
Port 21

<global>
PassivePorts 5000 5100
</global>

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

MaxInstances 30

User proftpd
Group nogroup

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>

<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>
First of all look for a line in ftp client conexión like this:
227 Entering Passive Mode (xx,xx,xx,xx,214,225)
The last two numbers is the port that the client is going to use ((214*256)+225)=55009

In my case it is not the same one that the one I configured, so If some body can help me too....
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