linux中配置ftp-vsftp
来源：http://hi.baidu.com/coolzdplinux/blog/item/83ece486621cfa3f67096e55.htmllinux中配置ftp-vsftp
以前一直都用windows系统,简单易懂. 现在突然使用linux服务器,而且主管要求不可以直接操作,因为今后它也是要进机房的,必须练习在远程用命令操作它.几天下来,从安装到配置把我这个新 手折磨的不行.其中配置ftp用的时间最长.做好以后仔细的总结一下变成文档,以备后患.
利用unix自带工具—vsftp，创建一个不允许匿名访问的ftp，实现上传下载文件的功能，并且指定名用户username可以登陆,限制访问人数。
1． 启动vsftpd
# /etc/init.d/vsftpd start
2． 创建系统用户
# adduser username -d /home/username
给用户设置密码
# passwd username
3． 编辑/etc/vsftpd/vsftpd.conf文件
# vi /etc/vsftpd/vsftpd.conf
# Allow anonymous FTP?
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=NO
# 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=username
# 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
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
# These ASCII options are split into upload and download because you may wish
# to enable ASCII uploads (to prevent uploaded scripts etc. from breaking),
# without the DoS risk of SIZE and ASCII downloads. ASCII mangling should be
# on the client anyway..
ascii_upload_enable=YES
ascii_download_enable=YES
# You may fully customise the login banner string:
ftpd_banner=Welcome to fate8866 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
pam_service_name=vsftpd
# If enabled, vsftpd will load a list of usernames, from the filename given by userlist_file. If a
user tries to log in using a name in this file, they will be denied before they are asked
for a password.
userlist_enable=YES
# If you set this setting to NO, then users will be denied login unless they are explicitly listed in the file specified by userlist_file. When login is denied, the denial is issued before the user is asked for a password.
userlist_deny=NO
#enable for standalone mode
listen=YES
tcp_wrappers=YES
max_clients=5
4. 将用户名username填入user_list文件，并且把其他用户名全部删除。
# vi user_list
5. 重新启动vsftp
# /etc/init.d/vsftpd restart
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