550 create directory operation failed ошибка

Здравствуйте, суть проблемы в следующем:

настроен ftp-сервер (vsftpd, под debian) для предоставления доступа к контенту организации-партнеру. Анонимусам доступ не нужен, так что решено было использовать виртуальных юзеров, которые хранятся в бд mysql. Авторизация проходит успешно (тестировалось через проводник винды и total commander), при входе файлы видны и доступны для скачивания, и еще вчера файлы можно было туда заливать. НО сегодня утром обнаружилось, что залить файлы не удается, ни в проводнике, ни в total commander проводник выдает окно с ошибкой «В ходе создания папки на FTP-сервере произошла ошибка. Убедитесь, что у вас есть разрешение помещать файлы на этот сервер. Подробности: 550 Create Directory Operation Failed».

Фаервола на сервере нет. Привожу конфиг vsftpd:

listen=YES
anonymous_enable=NO
local_enable=YES
write_enable=YES
local_umask=022
xferlog_enable=YES
xferlog_file=/var/log/vsftpd.log
log_ftp_protocol=YES
pam_service_name=vsftpd
session_support=YES
virtual_use_local_privs=YES
local_root=/srv/ftp/content
#user_sub_token=$USER
user_config_dir=/etc/vsftpd/user_conf
guest_enable=YES
guest_username=virtual
#nopriv_user=virtual
chroot_local_user=YES
chroot_list_enable=NO
pasv_enable=YES
pasv_min_port=50000
pasv_max_port=60000
#pasv_promiscuous=YES
ascii_download_enable=YES
ascii_upload_enable=YES
use_sendfile=YES
#chown_uploads=YES
#chown_username=ftp
chown_upload_mode=0440
file_open_mode=0777
max_clients=30
max_per_ip=10
idle_session_timeout=300
hide_ids=yes
data_connection_timeout=500
dirmessage_enable=YES
tcp_wrappers=YES

Логинюсь с виртуального пользователя admin, для него файл конфигурации:
local_root=/srv/ftp/content
write_enable=YES

Права на каталог /srv/ftp/content — 766, владелец — локальный пользователь virtual, под которым работают все виртуальные пользователи.

Убила полдня на это, гугл ничем особо не помог, перепробовала основные рекомендуемые в таких случаях манипуляциями — все без толку. Помогите, пожалуйста, разобраться, что нужно исправить.

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Solution  III :
If you are getting this error on ubuntu then the SELinux solution might not work for you because it is not installed by default on ubuntu.

Open vsftpd.conf and uncomment following line.

# write_enable=YES

Restart vsftpd.

Now try to connect but if you get following error

# 500 OOPS: vsftpd: refusing to run with writable root inside chroot()

Add this attribute in vsftpd.conf

# allow_writeable_chroot=YES

Restart vsftpd.

Code: Select all

ls -l /var/www
total 4
drwxr-xr-x 2 root www-data 4096 May 21 00:51 html

Code: Select all

webby@web-server:~$ groups
webby cdrom floppy audio dip www-data video plugdev netdev bluetooth ftp

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# Example config file /etc/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.
#
#
# Run standalone?  vsftpd can run either from an inetd or as a standalone
# daemon started from an initscript.
listen=NO
#
# This directive enables listening on IPv6 sockets. By default, listening
# on the IPv6 "any" address (::) will accept connections from both IPv6
# and IPv4 clients. It is not necessary to listen on *both* IPv4 and IPv6
# sockets. If you want that (perhaps because you want to listen on specific
# addresses) then you must run two copies of vsftpd with two configuration
# files.
listen_ipv6=YES
#
# Allow anonymous FTP? (Disabled by default).
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
local_root=/var/www/html/
#
# 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
#
# If enabled, vsftpd will display directory listings with the time
# in  your  local  time  zone.  The default is to display GMT. The
# times returned by the MDTM FTP command are also affected by this
# option.
use_localtime=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 restrict local users to their home directories.  See the FAQ for
# the possible risks in this before using chroot_local_user or
# chroot_list_enable below.
#chroot_local_user=YES
#
# 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().
# (Warning! chroot'ing can be very dangerous. If using chroot, make sure that
# the user does not have write access to the top level directory within the
# chroot)
#chroot_local_user=NO
#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
#
# Customization
#
# Some of vsftpd's settings don't fit the filesystem layout by
# default.
#
# This option should be the name of a directory which is empty.  Also, the
# directory should not be writable by the ftp user. This directory is used
# as a secure chroot() jail at times vsftpd does not require filesystem
# access.
secure_chroot_dir=/var/run/vsftpd/empty
#
# This string is the name of the PAM service vsftpd will use.
pam_service_name=vsftpd
#
# This option specifies the location of the RSA certificate to use for SSL
# encrypted connections.
rsa_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
rsa_private_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
ssl_enable=NO

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ftp localhost
Connected to localhost.
220 (vsFTPd 3.0.2)
Name (localhost:webby): webby
331 Please specify the password.
Password:
500 OOPS: vsftpd: refusing to run with writable root inside chroot()
Login failed.
421 Service not available, remote server has closed connection