Samba : Restricted share directory2019/04/25

	Install Samba to share folders or files between Windows and Linux. For example, Create a share directory that requires user authentication.
[1]	Install Samba.

root@smb:~#

apt -y install samba

[2]	Configure Samba.

root@smb:~#

groupadd security

root@smb:~#

mkdir /home/security

root@smb:~#

chgrp security /home/security

root@smb:~#

chmod 770 /home/security

root@smb:~#

vi /etc/samba/smb.conf

# line 25: add

unix charset = UTF-8
dos charset = CP932

# line 30: change (Windows' default)

workgroup =

WORKGROUP

# line 40: uncomment and change IP address you allow

interfaces = 127.0.0.0/8

10.0.0.0/24

# line 47: uncomment

bind interfaces only = yes

# add to the end

# any share name you like

[Security]
    path = /home/security
    writable = yes
    create mode = 0770
    directory mode = 0770
    # guest not allowed
    guest ok = no
    # allow users only in [security] group
    valid users = @security

# add user in Samba

root@smb:~#

smbpasswd -a ubuntu

New SMB password:

# set password

Retype new SMB password:
Added user ubuntu.
root@smb:~#

usermod -G security ubuntu

root@smb:~#

systemctl restart smbd

[3]	Configure on Windows client. This example is on Windows 10. Select [This PC] - [Map Network Drive] like following example.

[4]	Specify shared folder's place in Folder section like example and Click [Finish] button to enter.

[5]	Authentication is required. Authenticate with a user added by smbpasswd command in section [1].

[6]	Just accessed.

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