Amin's Note

#### Install libpam-pwdfile

$ apt-get install libpam-pwdfile

####Build vsftpd_vuser for pam service (vsftpd_vusers)

$vi /etc/pam.d/vsftpd_vusers

# Customized login using htpasswd file

auth required pam_pwdfile.so pwdfile /etc/vsftpd/passwd

account required pam_permit.so

#### Use apache's htpasswd to build username&password

$htpasswd -c /etc/vsftpd/passwd USERA

$htpasswd /etc/vsftpd/passwd USERB

$chmod 600 /etc/vsftpd/passwd

####Build user_list

$vi /etc/vsftpd/user_list

USERA

USERB

#### Build account document and authority

$ vi /etc/vsftpd/user/USERA

local_root=/PATH/TO/USERA/ACCESS

$vi /etc/vsftpd/user/USERB

local_root=/PATH/TO/USERB/ACCESS

guest_username=REAL_USER_ACCOUNT

local_umask=002

#### Configure VSFTPD

$vi /etc/vsftpd.conf

pasv_min_port=xxxxx

pasv_max_port=yyyyy

listen_port=zz

anonymous_enable=NO

local_enable=YES

write_enable=YES

local_umask=022

userlist_deny=NO

userlist_file=/etc/vsftpd/user_list

chroot_list_enable=YES

chroot_list_file=/etc/vsftpd/user_list

xferlog_enable=YES

dual_log_enable=YES

connect_from_port_20=YES

xferlog_std_format=YES

listen=YES

tcp_wrappers=YES

## VUSER ##

pam_service_name=vsftpd_vusers

user_config_dir=/etc/vsftpd/user

virtual_use_local_privs=YES

guest_enable=YES

secure_chroot_dir=/var/run/vsftpd

hide_ids=YES