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Old 08-19-2009, 10:20 PM   #1
dsartain
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FTP


I just got VSFTPD to allow me to login and access files via localhost, but when I tried by domain I got the following error.

Quote:
425 Security: Bad IP Connecting
I did add pasv_promiscuous=YES to my vsftpd.conf file, and that will allow me to login and access files by domain from the local machine, but not from another machine, either by FTP client, or browser (IE and FF).

I have changed the FTP port to 2020, but the connection to the server doesn't seem to be the issue, it seems to be listing the files...
 
Old 08-19-2009, 11:05 PM   #2
kbp
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Hi dsartain,

I believe vsftpd is compiled with libwrap support, could you please check the configuration of your /etc/hosts.allow and /etc/hosts.deny. There may be messages of interest in /var/log/secure

cheers,

kbp
 
Old 08-19-2009, 11:58 PM   #3
dsartain
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Quote:
Originally Posted by kbp View Post
Hi dsartain,

I believe vsftpd is compiled with libwrap support, could you please check the configuration of your /etc/hosts.allow and /etc/hosts.deny. There may be messages of interest in /var/log/secure

cheers,

kbp
hosts.allow has VSFTPD: ALL, and hosts.deny has no entries.

The log you mentioned didn't seem to indicate any problems...


BTW, I forgot to mention the distro is Fedora Core 11...
 
Old 08-20-2009, 12:35 AM   #4
kbp
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Hi dsartain,

Could you please post your vsftpd config ?

thanks

kbp
 
Old 08-20-2009, 10:19 AM   #5
schneidz
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this mite help:
http://www.linuxquestions.org/questi...laptop-748247/
 
Old 08-20-2009, 06:43 PM   #6
dsartain
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Quote:
Originally Posted by kbp View Post
Hi dsartain,

Could you please post your vsftpd config ?

thanks

kbp

vsftpd.conf file contents...

Quote:
# Example config file /etc/vsftpd/vsftpd.conf
#
# The default compiled in settings are fairly paranoid. This sample file
# loosens things up a bit, to make the ftp daemon more usable.
# Please see vsftpd.conf.5 for all compiled in defaults.
#
# READ THIS: This example file is NOT an exhaustive list of vsftpd options.
# Please read the vsftpd.conf.5 manual page to get a full idea of vsftpd's
# capabilities.
#
# Allow anonymous FTP? (Beware - allowed by default if you comment this out).
anonymous_enable=NO
#
# Uncomment this to allow local users to log in.
local_enable=YES
#
# Uncomment this to enable any form of FTP write command.
#write_enable=YES
#
# Default umask for local users is 077. You may wish to change this to 022,
# if your users expect that (022 is used by most other ftpd's)
#local_umask=022
#
# Uncomment this to allow the anonymous FTP user to upload files. This only
# has an effect if the above global write enable is activated. Also, you will
# obviously need to create a directory writable by the FTP user.
#anon_upload_enable=YES
#
# Uncomment this if you want the anonymous FTP user to be able to create
# new directories.
#anon_mkdir_write_enable=YES
#
# Activate directory messages - messages given to remote users when they
# go into a certain directory.
dirmessage_enable=YES
#
# Activate logging of uploads/downloads.
xferlog_enable=YES
#
# Make sure PORT transfer connections originate from port 20 (ftp-data).
connect_from_port_20=YES
#
# If you want, you can arrange for uploaded anonymous files to be owned by
# a different user. Note! Using "root" for uploaded files is not
# recommended!
#chown_uploads=YES
#chown_username=whoever
#
# You may override where the log file goes if you like. The default is shown
# below.
#xferlog_file=/var/log/vsftpd.log
#
# If you want, you can have your log file in standard ftpd xferlog format.
# Note that the default log file location is /var/log/xferlog in this case.
#xferlog_std_format=YES
#
# You may change the default value for timing out an idle session.
#idle_session_timeout=600
#
# You may change the default value for timing out a data connection.
#data_connection_timeout=120
#
# It is recommended that you define on your system a unique user which the
# ftp server can use as a totally isolated and unprivileged user.
#nopriv_user=ftpsecure
#
# Enable this and the server will recognise asynchronous ABOR requests. Not
# recommended for security (the code is non-trivial). Not enabling it,
# however, may confuse older FTP clients.
#async_abor_enable=YES
#
# By default the server will pretend to allow ASCII mode but in fact ignore
# the request. Turn on the below options to have the server actually do ASCII
# mangling on files when in ASCII mode.
# Beware that on some FTP servers, ASCII support allows a denial of service
# attack (DoS) via the command "SIZE /big/file" in ASCII mode. vsftpd
# predicted this attack and has always been safe, reporting the size of the
# raw file.
# ASCII mangling is a horrible feature of the protocol.
#ascii_upload_enable=YES
#ascii_download_enable=YES
#
# You may fully customise the login banner string:
#ftpd_banner=Welcome to blah FTP service.
#
# You may specify a file of disallowed anonymous e-mail addresses. Apparently
# useful for combatting certain DoS attacks.
#deny_email_enable=YES
# (default follows)
#banned_email_file=/etc/vsftpd/banned_emails
#
# You may specify an explicit list of local users to chroot() to their home
# directory. If chroot_local_user is YES, then this list becomes a list of
# users to NOT chroot().
#chroot_list_enable=YES
# (default follows)
#chroot_list_file=/etc/vsftpd/chroot_list
#
# You may activate the "-R" option to the builtin ls. This is disabled by
# default to avoid remote users being able to cause excessive I/O on large
# sites. However, some broken FTP clients such as "ncftp" and "mirror" assume
# the presence of the "-R" option, so there is a strong case for enabling it.
#ls_recurse_enable=YES
#
# When "listen" directive is enabled, vsftpd runs in standalone mode and
# listens on IPv4 sockets. This directive cannot be used in conjunction
# with the listen_ipv6 directive.
listen=YES
listen_port=2020
# This directive enables listening on IPv6 sockets. To listen on IPv4 and IPv6
# sockets, you must run two copies of vsftpd whith two configuration files.
# Make sure, that one of the listen options is commented !!
#listen_ipv6=YES
#
#
pam_service_name=vsftpd
#userlist_enable=YES
tcp_wrappers=NO
check_shell=NO
#userlist_enable=YES
#userlist_file=/etc/vsftpd/vsftpd.user_list
userlist_deny=NO
userlist_file=/etc/vsftpd/vsftpd.user_list
pasv_promiscuous=YES
 
Old 08-22-2009, 07:14 PM   #7
dsartain
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Anyone have any ideas??
 
Old 08-23-2009, 09:52 AM   #8
kbp
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Hi dsartain,

I'm playing around on my servers tomorrow, I'll run up your config to verify.

cheers,

kbp
 
Old 08-27-2009, 12:55 AM   #9
kbp
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Hi dsartain,

I used your config on a Centos 5.3 vm, put a hole in my firewall and it worked fine, tried the same thing on Fed 11.. also worked fine. Maybe the problem is not in your vsftpd.conf ....

cheers

kbp
 
Old 08-27-2009, 11:29 AM   #10
dsartain
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Quote:
Originally Posted by kbp View Post
Hi dsartain,

I used your config on a Centos 5.3 vm, put a hole in my firewall and it worked fine, tried the same thing on Fed 11.. also worked fine. Maybe the problem is not in your vsftpd.conf ....

cheers

kbp
Yeah...I just can't think of what else it could be...
 
Old 08-27-2009, 05:53 PM   #11
kbp
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Not sure whether you have iptables enabled, might be worth turning it off temporarily to see if it makes a difference

cheers
 
Old 08-31-2009, 10:55 PM   #12
dsartain
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Quote:
Originally Posted by kbp View Post
Not sure whether you have iptables enabled, might be worth turning it off temporarily to see if it makes a difference

cheers
I tried that, no change...then I tried just forwarding incoming 2020 to port 21 and changing the listening port in vsftpd.conf to 21...no change either, same thing...
 
  


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