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$ sudo apt-get install vsftpd
test
[08:25:37 jobs:0] $ ncftp ftp://127.0.0.1 NcFTP 3.2.1 (Jul 29, 2007) by Mike Gleason (http://www.NcFTP.com/contact/). Connecting to 127.0.0.1... (vsFTPd 2.0.7) Logging in... Login successful. Logged in to 127.0.0.1. Current remote directory is /. ncftp / >
enable local user
$ sudo vim /etc/vsftpd.conf # Uncomment this to allow local users to log in. local_enable=YES chroot_local_user=YES $ sudo /etc/init.d/vsftpd reload
testing for local user
$ ncftp ftp://neo@127.0.0.1/
NcFTP 3.2.1 (Jul 29, 2007) by Mike Gleason (http://www.NcFTP.com/contact/).
Connecting to 127.0.0.1...
(vsFTPd 2.0.7)
Logging in...
Password requested by 127.0.0.1 for user "neo".
Please specify the password.
Password: *******
Login successful.
Logged in to 127.0.0.1.
Current remote directory is /home/neo.
ncftp /home/neo >
我們不想讓FTP用戶通過shell登錄系統, 可以將用戶的Shell改為/sbin/nologin
neo:x:1000:1000:neo,,,:/home/neo:/sbin/nologin
# cat /etc/pam.d/vsftpd #%PAM-1.0 session optional pam_keyinit.so force revoke auth required pam_listfile.so item=user sense=deny file=/etc/vsftpd/ftpusers onerr=succeed auth required pam_shells.so auth include system-auth account include system-auth session include system-auth session required pam_loginuid.so
/etc/vsftpd/ftpusers 列表中的用戶將不能登錄ftp伺服器
創建明文密碼檔案，一行用戶名後回車跟一行密碼
# cat virtual-users.txt user password neo 123456 jam 654321
轉為資料庫檔案
# sudo apt-get install db-util # db_load -T -t hash -f virtual-users.txt /etc/vsftpd/virtual-users.db
創建插件認證配置檔案 /etc/pam.d/vsftpd-virtual
auth required pam_userdb.so db=/etc/vsftpd/virtual-users account required pam_userdb.so db=/etc/vsftpd/virtual-users
/etc/vsftpd/vsftpd.conf： # virtual users to use local privs, not anon privs virtual_use_local_privs=YES # the PAM file used by authentication of virtual uses pam_service_name=vsftpd-virtual # in conjunction with 'local_root', # specifies a home directory for each virtual user user_sub_token=$USER local_root=/var/www/virtual/$USER # the virtual user is restricted to the virtual FTP area chroot_local_user=YES # hides the FTP server user IDs and just display "ftp" in directory listings hide_ids=YES guest_enable=YES guest_username=nobody # the umask for file creation local_umask=022
guest_username=nobody 虛擬用戶將使用nobody用戶作為他的uid,gid.
# mkdir /var/www/virtual/mary # chown ftp:ftp /var/www/virtual/mary
vim /etc/vsftpd.conf user_config_dir=/etc/vsftpd/conf.d mkdir /etc/vsftpd/conf.d
neo 只能下載不能上傳
echo "anon_world_readable_only=NO" > /etc/vsftpd/conf.d/neo
jam 可以下上傳跟下載
echo "anon_world_readable_only=NO" > /etc/vsftpd/conf.d/jam echo "anon_upload_enable=YES" >> /etc/vsftpd/conf.d/jam echo "write_enable=YES" >> /etc/vsftpd/conf.d/jam
受限用戶用戶添加到檔案vsftpd.chroot_list
chroot_list_enable=YES chroot_list_file=/etc/vsftpd/chroot_list
注意：每行一個用戶名