[Samba] Samba AD DC: share access denied

Jens Kuipers hitmokyhitter at hotmail.com
Thu Nov 15 13:43:19 UTC 2018


Hey Samba,

For the last year I've been trying to set up a Samba Active Directory with a share which will hold the profiles of users so that Windows users can be implemented with the roaming profiles functionality.

I started out with an Ubuntu Server 16.04 LTS on which I configured routing, forwarding and dhcp. After which I followed the Setting up Samba as an Active Directory Domain Controller<https://wiki.samba.org/index.php/Setting_up_Samba_as_an_Active_Directory_Domain_Controller> documentation and eventually I created a share per Setting up a Share Using Windows ACLs<https://wiki.samba.org/index.php/Setting_up_a_Share_Using_Windows_ACLs> documentation. I ran into problems when I tried to set the ACL's on the share through Windows (logged in as Domain Admin), I can not save the changes I made to the share permissions. The error message I get from Windows is an Access Denied.

Testpar --verbose | more:
# Global parameters
[global]
        dos charset = CP850
        unix charset = UTF-8
        workgroup = LDB-BEHEER
        realm = LDB-BEHEER.NL
        netbios name = AD
        netbios aliases =
        netbios scope =
        server string = Samba 4.3.11-Ubuntu
        interfaces =
        bind interfaces only = No
        config backend = file
        server role = active directory domain controller
        security = AUTO
        auth methods =
        encrypt passwords = Yes
        client schannel = Auto
        server schannel = Auto
        allow trusted domains = Yes
        map to guest = Never
        null passwords = No
        old password allowed period = 60
        obey pam restrictions = No
        password server = *
        smb passwd file = /etc/samba/smbpasswd
        private dir = /var/lib/samba/private
        passdb backend = samba_dsdb
        algorithmic rid base = 1000
        root directory =
        guest account = nobody
        enable privileges = Yes
        pam password change = No
        passwd program =
        passwd chat = *new*password* %n\n *new*password* %n\n *changed*
        passwd chat debug = No
        passwd chat timeout = 2
        check password script =
        username map =
        username level = 0
        unix password sync = No
        restrict anonymous = 0
        lanman auth = No
        ntlm auth = Yes
        raw NTLMv2 auth = No
        client NTLMv2 auth = Yes
        client lanman auth = No
        client plaintext auth = No
        client use spnego principal = No
        preload modules =
        dedicated keytab file =
        kerberos method = default
        map untrusted to domain = No
        log level = 2
        syslog = 1
        syslog only = No
        log file =
        logging =
        max log size = 5000
        debug timestamp = Yes
        timestamp logs = Yes
        debug prefix timestamp = No
        debug hires timestamp = Yes
        debug pid = No
        debug uid = No
        debug class = No
        enable core files = Yes
        smb ports = 445 139
        large readwrite = Yes
        server max protocol = SMB3
        max protocol = SMB3
        protocol = SMB3
        server min protocol = LANMAN1
        min protocol = LANMAN1
        client max protocol = default
        client min protocol = CORE
        unicode = Yes
        min receivefile size = 0
        read raw = Yes
        write raw = Yes
        disable netbios = No
        reset on zero vc = No
        log writeable files on exit = No
        defer sharing violations = Yes
        nt pipe support = Yes
        nt status support = Yes
        smbd profiling level = off
        max mux = 50
        max xmit = 16644
        name resolve order = lmhosts wins host bcast
        max ttl = 259200
        max wins ttl = 518400
        min wins ttl = 21600
        time server = No
        unix extensions = Yes
        use spnego = Yes
        client signing = default
        server signing = default
        client use spnego = Yes
        client ldap sasl wrapping = sign
        ldap server require strong auth = Yes
        enable asu support = No
        svcctl list =
        cldap port = 389
        dgram port = 138
        nbt port = 137
        krb5 port = 88
        kpasswd port = 464
        web port = 901
        rpc big endian = No
        deadtime = 0
        getwd cache = Yes
        keepalive = 300
        change notify = Yes
        kernel change notify = Yes
        lpq cache time = 30
        max smbd processes = 0
        max disk size = 0
        max open files = 16384
        socket options = TCP_NODELAY
        use mmap = Yes
        hostname lookups = No
        name cache timeout = 660
        ctdbd socket =
        cluster addresses =
        clustering = No
        ctdb timeout = 0
        ctdb locktime warn threshold = 0
        smb2 max read = 8388608
        smb2 max write = 8388608
        smb2 max trans = 8388608
        smb2 max credits = 8192
        load printers = Yes
        printcap cache time = 750
        printcap name =
        cups server =
        cups encrypt = No
        cups connection timeout = 30
        iprint server =
        disable spoolss = No
        addport command =
        enumports command =
        addprinter command =
        deleteprinter command =
        show add printer wizard = Yes
        os2 driver map =
        mangling method = hash2
        mangle prefix = 1
        max stat cache size = 256
        stat cache = Yes
        machine password timeout = 604800
        add user script =
        rename user script =
        delete user script =
        add group script =
        delete group script =
        add user to group script =
        delete user from group script =
        set primary group script =
        add machine script =
        shutdown script =
        abort shutdown script =
        username map script =
        username map cache time = 0
        logon script =
        logon path = \\%N\%U\profile
        logon drive =
        logon home = \\%N\%U
        domain logons = No
        init logon delayed hosts =
        init logon delay = 100
        os level = 20
        lm announce = Auto
        lm interval = 60
        preferred master = Auto
        local master = Yes
        domain master = Auto
        browse list = Yes
        enhanced browsing = Yes
        dns proxy = Yes
        wins proxy = No
        wins server =
        wins support = No
        wins hook =
        smb2 leases = No
        lock spin time = 200
        oplock break wait time = 0
        ldap admin dn =
        ldap delete dn = No
        ldap group suffix =
        ldap idmap suffix =
        ldap machine suffix =
        ldap passwd sync = no
        ldap replication sleep = 1000
        ldap suffix =
        ldap ssl = start tls
        ldap ssl ads = No
        ldap deref = auto
        ldap follow referral = Auto
        ldap timeout = 15
        ldap connection timeout = 2
        ldap page size = 1024
        ldap user suffix =
        ldap debug level = 0
        ldap debug threshold = 10
        eventlog list =
        add share command =
        change share command =
        delete share command =
        config file =
        preload =
        auto services =
        lock directory = /var/run/samba
        state directory = /var/lib/samba
        cache directory = /var/cache/samba
        pid directory = /var/run/samba
        ntp signd socket directory = /var/lib/samba/ntp_signd
        utmp directory =
        wtmp directory =
        utmp = No
        default service =
        default =
        message command =
        get quota command =
        set quota command =
        remote announce =
        remote browse sync =
        nbt client socket address = 0.0.0.0
        socket address = 0.0.0.0
        nmbd bind explicit broadcast = Yes
        homedir map = auto.home
        afs username map =
        afs token lifetime = 604800
        log nt token command =
        NIS homedir = No
        registry shares = No
        usershare allow guests = No
        usershare max shares = 100
        usershare owner only = Yes
        usershare path = /var/lib/samba/usershares
        usershare prefix allow list =
        usershare prefix deny list =
        usershare template share =
        allow insecure wide links = No
        async smb echo handler = No
        panic action =
        perfcount module =
        host msdfs = Yes
        passdb expand explicit = No
        idmap backend = tdb
        idmap cache time = 604800
        idmap negative cache time = 120
        idmap uid =
        idmap gid =
        template homedir = /home/%D/%U
        template shell = /bin/false
        winbind separator = \
        winbind cache time = 300
        winbind reconnect delay = 30
        winbind request timeout = 60
        winbind max clients = 200
        winbind enum users = No
        winbind enum groups = No
        winbind use default domain = No
        winbind trusted domains only = No
        winbind nested groups = Yes
        winbind expand groups = 0
        winbind nss info = template
        winbind refresh tickets = No
        winbind offline logon = No
        winbind normalize names = No
        winbind rpc only = No
        create krb5 conf = Yes
        ncalrpc dir = /var/run/samba/ncalrpc
        winbind max domain connections = 1
        winbindd socket directory = /var/run/samba/winbindd
        winbindd privileged socket directory = /var/lib/samba/winbindd_privileged
        winbind sealed pipes = Yes
        neutralize nt4 emulation = No
        reject md5 servers = No
        require strong key = Yes
        allow dns updates = nonsecure and secure
        dns forwarder = 8.8.8.8
        dns update command = /usr/sbin/samba_dnsupdate
        nsupdate command = /usr/bin/nsupdate -g
        rndc command = /usr/sbin/rndc
        multicast dns register = Yes
        samba kcc command = /usr/sbin/samba_kcc
        server services = s3fs, rpc, nbt, wrepl, ldap, cldap, kdc, drepl, winbindd, ntp_signd, kcc, dnsupdate, dns
        dcerpc endpoint servers = epmapper, wkssvc, rpcecho, samr, netlogon, lsarpc, spoolss, drsuapi, dssetup, unixinfo, browser, eventlog6, backupkey, dnsserver
        spn update command = /usr/sbin/samba_spnupdate
        share backend = classic
        allow nt4 crypto = No
        reject md5 clients = No
        tls enabled = Yes
        tls keyfile = tls/key.pem
        tls certfile = tls/cert.pem
        tls cafile = tls/ca.pem
        tls crlfile =
        tls dh params file =
        tls priority = NORMAL:-VERS-SSL3.0
        tls verify peer = as_strict_as_possible
        client ipc max protocol = default
        client ipc min protocol = default
        client ipc signing = default
        allow dcerpc auth level connect = No
        rpc_server:tcpip = no
        rpc_daemon:spoolssd = embedded
        rpc_server:spoolss = embedded
        rpc_server:winreg = embedded
        rpc_server:ntsvcs = embedded
        rpc_server:eventlog = embedded
        rpc_server:srvsvc = embedded
        rpc_server:svcctl = embedded
        rpc_server:default = external
        winbindd:use external pipes = true
        idmap_ldb:use rfc2307 = yes
        idmap config * : backend = tdb
        comment =
        path =
        username =
        invalid users =
        valid users =
        admin users =
        read list =
        write list =
        force user =
        force group =
        group =
        read only = Yes
        spotlight = No
        acl check permissions = Yes
        acl group control = No
        acl map full control = Yes
        acl allow execute always = No
        create mask = 0744
        force create mode = 0000
        directory mask = 0755
        directory mode = 0755
        force directory mode = 0000
        force unknown acl user = No
        inherit permissions = No
        inherit acls = No
        inherit owner = No
        guest only = No
        administrative share = No
        guest ok = No
        only user = No
        hosts allow =
        hosts deny =
        allocation roundup size = 1048576
        aio read size = 0
        aio write size = 0
        aio write behind =
        ea support = No
        nt acl support = Yes
        profile acls = No
        map acl inherit = No
        afs share = No
        smb encrypt = default
        durable handles = Yes
        block size = 1024
        directory name cache size = 100
        max connections = 0
        min print space = 0
        strict allocate = No
        strict rename = No
        strict sync = No
        sync always = No
        use sendfile = No
        write cache size = 0
        max reported print jobs = 0
        max print jobs = 1000
        printable = No
        print notify backchannel = No
        printing = cups
        cups options =
        print command =
        lpq command = %p
        lprm command =
        lppause command =
        lpresume command =
        queuepause command =
        queueresume command =
        printer name =
        use client driver = No
        default devmode = Yes
        force printername = No
        printjob username = %U
        default case = lower
        case sensitive = Auto
        preserve case = Yes
        short preserve case = Yes
        mangling char = ~
        hide dot files = Yes
        hide special files = No
        hide unreadable = No
        hide unwriteable files = No
        delete veto files = No
        veto files =
        hide files =
        veto oplock files =
        map archive = No
        map hidden = No
        map system = No
        map readonly = no
        mangled names = Yes
        store dos attributes = Yes
        dmapi support = No
        browseable = Yes
        access based share enum = No
        blocking locks = Yes
        csc policy = manual
        fake oplocks = No
        kernel oplocks = No
        kernel share modes = Yes
        locking = Yes
        oplocks = Yes
        level2 oplocks = Yes
        oplock contention limit = 2
        posix locking = Yes
        strict locking = Auto
        dfree cache time = 0
        dfree command =
        include =
        preexec =
        exec =
        preexec close = No
        postexec =
        root preexec =
        root preexec close = No
        root postexec =
        available = Yes
        volume =
        fstype = NTFS
        wide links = No
        follow symlinks = Yes
        dont descend =
        magic script =
        magic output =
        delete readonly = No
        dos filemode = No
        dos filetimes = Yes
        dos filetime resolution = No
        fake directory create times = No
        vfs objects = dfs_samba4 acl_xattr
        msdfs root = No
        msdfs proxy =
        msdfs shuffle referrals = No
        ntvfs handler = unixuid, default


[netlogon]
        path = /var/lib/samba/sysvol/ldb-beheer.nl/scripts
        read only = No


[sysvol]
        path = /var/lib/samba/sysvol
        read only = No


[users]
        path = /mnt/users/roaming
        read only = No

Getfacl /mnt/users/roaming
getfacl: Removing leading '/' from absolute path names
# file: mnt/users/roaming
# owner: root
# group: LDB-BEHEER\134domain\040users
# flags: -s-
user::rwx
group::r-x
other::r-x



Kind regards


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