Set up vsftpd (FTP Server) in Ubuntu 11.10

1. Install vsftpd if no exists

Sudo install apt-Get vsftpd

2. edit file vsftpd. conf, reference to http://hi.baidu.com/huleyin/blog/item/3c2145015f957b004afb517a.html to know details about this file

Set "userlist_enable = No/Yes userlist_deny = No/yes" seems to meet a problem, reference: http://book.51cto.com/art/201005/199776.htm

# 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=YES## Run standalone with IPv6?# Like the listen parameter, except vsftpd will listen on an IPv6 socket# instead of an IPv4 one. This parameter and the listen parameter are mutually# exclusive.#listen_ipv6=YES## Allow anonymous FTP? (Disabled by default)anonymous_enable=YES## 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## 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. secondsidle_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=Hello, yinger! 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().#chroot_local_user=YESchroot_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##root settings.... the following two settings are wrong.they may make vsftpd unstartable#yellow background words!#userlist_enable = YES#userlist_deny = NO# Debian customization## Some of vsftpd's settings don't fit the Debian filesystem layout by# default.  These settings are more Debian-friendly.## 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/private/vsftpd.pem

 

3. Create File vsftpd. chroot_list (My demo-: enable root account)

# vsftpd userlist  # If userlist_deny=NO, only allow users in this file  # If userlist_deny=YES (default), never allow users in this file, and  # do not even prompt for a password.  # Note that the default vsftpd pam config also checks /etc/vsftpd/ftpusers  # for users that are denied.  #root  (comment this,enable root account)bin  daemon  adm  lp  sync  shutdown  halt  mail  news  uucp  operator  games  nobody 

 

4. edit file ftpuses in directory/etc, enable Root

# /etc/ftpusers: list of users disallowed FTP access. See ftpusers(5).#rootdaemonbinsyssyncgamesmanlpmailnewsuucpnobody

 

5. Restart vsftpd, and connect with Root Account (reminder: You can enable root account simply change root account and login with root, have a try)

By default, the FTP root directory is the user's home directory!

 

Login with another account