Configuração de segurança em servidor de arquivos SAMBA

Ricardo39 disse:

Olá!
Recentemente necessitei implementar um servidor de arquivos na empresa em que atuo a nível de testes peguei um PC e instalei o ubuntu 16.04 instalei o samba e fiz a devida configuração para compartilhamento de pastas com controle de acesso por usuários, até aqui tudo bem as maquinas windows da rede acessam o compartilhamento numa boa ao se conectar solicita o usuário e senha e tal. O problema é que quando vou acessar uma compartilhamento e coloco o usuário e senha daí se eu sair da pasta e for acessar novamente não pede mais é como se ficasse salvo o ultimo acesso e pior de pois que eu me logo no compartilhamento junto das pastas compartilhada passa a aparecer o diretório home do usuário logado. Se eu reiniciar o PC e for tentar me conectar no compartilhamento aí sim pede novamente mas como mencionado anteriormente depois do primeiro acesso o usuário fica logado direto e realmente não gostaria que fosse assim.[

Em resumo gostaria que ficasse da seguinte maneira: Ao logar pedir acesso, se saiu do compartilhamento e foi entrar novamente pedir acesso de novo e é claro ocultar a pasta home do usuário logado

Se alguém puder me ajudar com esta configuração eu agradeço!

Abaixo segue o meu smb.conf

#

#

# This is the main Samba configuration file. You should read the

# smb.conf(5) manual page in order to understand the options listed

# here. Samba has a huge number of configurable options most of which

# are not shown in this example

#

# Some options that are often worth tuning have been included as

# commented-out examples in this file.

#  - When such options are commented with ";", the proposed setting

#    differs from the default Samba behaviour

#  - When commented with "#", the proposed setting is the default

#    behaviour of Samba but the option is considered important

#    enough to be mentioned here

#

# NOTE: Whenever you modify this file you should run the command

# "testparm" to check that you have not made any basic syntactic

# errors.



#======================= Global Settings =======================



[global]



## Browsing/Identification ###



# Change this to the workgroup/NT-domain name your Samba server will part of

   workgroup = WORKGROUP



# server string is the equivalent of the NT Description field

    server string = %h server (Samba, Ubuntu)



# Windows Internet Name Serving Support Section:

# WINS Support - Tells the NMBD component of Samba to enable its WINS Server

#   wins support = no



# WINS Server - Tells the NMBD components of Samba to be a WINS Client

# Note: Samba can be either a WINS Server, or a WINS Client, but NOT both

;   wins server = w.x.y.z



# This will prevent nmbd to search for NetBIOS names through DNS.

   dns proxy = no



# The specific set of interfaces / networks to bind to

# This can be either the interface name or an IP address/netmask;

# interface names are normally preferred

;   interfaces = 127.0.0.0/8 eth0



# Only bind to the named interfaces and/or networks; you must use the

# 'interfaces' option above to use this.

# It is recommended that you enable this feature if your Samba machine is

# not protected by a firewall or is a firewall itself.  However, this

# option cannot handle dynamic or non-broadcast interfaces correctly.

;   bind interfaces only = yes







#### Debugging/Accounting ####



# This tells Samba to use a separate log file for each machine

# that connects

   log file = /var/log/samba/log.%m



# Cap the size of the individual log files (in KiB).

   max log size = 1000



# If you want Samba to only log through syslog then set the following

# parameter to 'yes'.

#   syslog only = no



# We want Samba to log a minimum amount of information to syslog. Everything

# should go to /var/log/samba/log.{smbd,nmbd} instead. If you want to log

# through syslog you should set the following parameter to something higher.

   syslog = 0



# Do something sensible when Samba crashes: mail the admin a backtrace

   panic action = /usr/share/samba/panic-action %d





####### Authentication #######



# Server role. Defines in which mode Samba will operate. Possible

# values are "standalone server", "member server", "classic primary

# domain controller", "classic backup domain controller", "active

# directory domain controller".

#

# Most people will want "standalone sever" or "member server".

# Running as "active directory domain controller" will require first

# running "samba-tool domain provision" to wipe databases and create a

# new domain.

   server role = standalone server



# If you are using encrypted passwords, Samba will need to know what

# password database type you are using.

   passdb backend = tdbsam



   obey pam restrictions = yes



# This boolean parameter controls whether Samba attempts to sync the Unix

# password with the SMB password when the encrypted SMB password in the

# passdb is changed.

   unix password sync = yes



# For Unix password sync to work on a Debian GNU/Linux system, the following

# parameters must be set (thanks to Ian Kahan <<kahan@informatik.tu-muenchen.de> for

# sending the correct chat script for the passwd program in Debian Sarge).

   passwd program = /usr/bin/passwd %u

   passwd chat = *Enter\snew\s*\spassword:* %n\n *Retype\snew\s*\spassword:* %n\n *password\supdated\ssuccessfully* .



# This boolean controls whether PAM will be used for password changes

# when requested by an SMB client instead of the program listed in

# 'passwd program'. The default is 'no'.

   pam password change = yes



# This option controls how unsuccessful authentication attempts are mapped

# to anonymous connections

   map to guest = bad user



########## Domains ###########



#

# The following settings only takes effect if 'server role = primary

# classic domain controller', 'server role = backup domain controller'

# or 'domain logons' is set

#



# It specifies the location of the user's

# profile directory from the client point of view) The following

# required a [profiles] share to be setup on the samba server (see

# below)

;   logon path = \\%N\profiles\%U

# Another common choice is storing the profile in the user's home directory

# (this is Samba's default)

#   logon path = \\%N\%U\profile



# The following setting only takes effect if 'domain logons' is set

# It specifies the location of a user's home directory (from the client

# point of view)

;   logon drive = H:

#   logon home = \\%N\%U



# The following setting only takes effect if 'domain logons' is set

# It specifies the script to run during logon. The script must be stored

# in the [netlogon] share

# NOTE: Must be store in 'DOS' file format convention

;   logon script = logon.cmd



# This allows Unix users to be created on the domain controller via the SAMR

# RPC pipe.  The example command creates a user account with a disabled Unix

# password; please adapt to your needs

; add user script = /usr/sbin/adduser --quiet --disabled-password --gecos "" %u



# This allows machine accounts to be created on the domain controller via the

# SAMR RPC pipe.

# The following assumes a "machines" group exists on the system

; add machine script  = /usr/sbin/useradd -g machines -c "%u machine account" -d /var/lib/samba -s /bin/false %u



# This allows Unix groups to be created on the domain controller via the SAMR

# RPC pipe.

; add group script = /usr/sbin/addgroup --force-badname %g



############ Misc ############



# Using the following line enables you to customise your configuration

# on a per machine basis. The %m gets replaced with the netbios name

# of the machine that is connecting

;   include = /home/samba/etc/smb.conf.%m



# Some defaults for winbind (make sure you're not using the ranges

# for something else.)

;   idmap uid = 10000-20000

;   idmap gid = 10000-20000

;   template shell = /bin/bash



# Setup usershare options to enable non-root users to share folders

# with the net usershare command.



# Maximum number of usershare. 0 (default) means that usershare is disabled.

;   usershare max shares = 100



# Allow users who've been granted usershare privileges to create

# public shares, not just authenticated ones

   usershare allow guests = yes



#======================= Share Definitions =======================



# Un-comment the following (and tweak the other settings below to suit)

# to enable the default home directory shares. This will share each

# user's home directory as \\server\username

[homes]

  comment = Home Directories

  browseable = no



# By default, the home directories are exported read-only. Change the

# next parameter to 'no' if you want to be able to write to them.

;   read only = yes



# File creation mask is set to 0700 for security reasons. If you want to

# create files with group=rw permissions, set next parameter to 0775.

  ; create mask = 0700



# Directory creation mask is set to 0700 for security reasons. If you want to

# create dirs. with group=rw permissions, set next parameter to 0775.

   ;directory mask = 0700



# By default, \\server\username shares can be connected to by anyone

# with access to the samba server.

# Un-comment the following parameter to make sure that only "username"

# can connect to \\server\username

# This might need tweaking when using external authentication schemes

   valid users = %S

   writable = yes

# Un-comment the following and create the netlogon directory for Domain Logons

# (you need to configure Samba to act as a domain controller too.)

;[netlogon]

;   comment = Network Logon Service

;   path = /home/samba/netlogon

;   guest ok = yes

;   read only = yes



# Un-comment the following and create the profiles directory to store

# users profiles (see the "logon path" option above)

# (you need to configure Samba to act as a domain controller too.)

# The path below should be writable by all users so that their

# profile directory may be created the first time they log on

;[profiles]

;   comment = Users profiles

;   path = /home/samba/profiles

;   guest ok = no

;   browseable = no

;   create mask = 0600

;   directory mask = 0700



[printers]

   comment = All Printers

   browseable = no

   path = /var/spool/samba

   printable = yes

   guest ok = no

   read only = yes

   create mask = 0700



# Windows clients look for this share name as a source of downloadable

# printer drivers

[print$]

   comment = Printer Drivers

   path = /var/lib/samba/printers

   browseable = yes

   read only = yes

   guest ok = no

# Uncomment to allow remote administration of Windows print drivers.

# You may need to replace 'lpadmin' with the name of the group your

# admin users are members of.

# Please note that you also need to set appropriate Unix permissions

# to the drivers directory for these users to have write rights in it

;   write list = root, @lpadmin



[compartilhado]

   path = /mnt/compartilhado

   comment = Pasta compartilhada

   writable = yes

   valid users = @teste

   force group = teste

   create mask = 0660

   directory mask = 0771

[publico]

   path = /home/teste/publico

   comment = pasta publica

   writable = yes

   public = yes

   follow symlinks = false