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SMB does not present permissions on looped up raw disk image / backup of a Windows NTFS volume


Samba Permissions - I'm going to throw it!Can Samba “security = user” be used for guest share without Windows login prompt?Problem modifying read-only files on Samba NASCan't access samba share over VPNSamba share for user groups with Ubuntu. A user can't access files created by other usersSamba Ignoring POSIX ACLsSamba4 [homes] shareUsers can't access their samba shared homes from WindowsAuth fail on Samba server with LDAP backend‏Samba Security - Set permissions for anyone write on share (root and others)






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3















I have a raw copy of a Windows NTFS volume on my Linux machine. When I loop it and share it out on a domain-joined Linux machine via Samba as-follows --



[global] 
workgroup = <my-domain>
realm = <my-domain.com>
server string = %h (backups)
security = ADS
map to guest = Bad User
obey pam restrictions = Yes
pam password change = Yes
passwd program = /usr/bin/passwd %u
passwd chat = *Entersnews*spassword:* %nn *Retypesnews*spassword:* %nn *passwordsupdatedssuccessfully* .
unix password sync = Yes
restrict anonymous = 1
syslog = 0
log file = /var/log/samba/log.%m
max log size = 1000
dns proxy = No
usershare allow guests = Yes
allow insecure wide links = Yes
panic action = /usr/share/samba/panic-action %d
idmap uid = 10000 - 20000
idmap gid = 10000 - 20000
winbind enum users = Yes
winbind enum groups = Yes
idmap config * : range = 10000 - 20000
idmap config * : backend = tdb
map acl inherit = Yes
...
[TestShare]
path = /datto/mounts/TestShare
valid users = nobody
read only = No
create mask = 0755
force create mode = 0755
force directory mode = 0755
veto files = /lost+found/.locate.db
dfree command = /datto/bin/dfree-runner


There are no longer permissions associated with the block device (left -- right, original).



left -- no permissions on share. right -- original permissions.



On the other hand, mounting an iSCSI target of that same volume shows the original permissions.



Is it possible to serve these original permissions / securities over SMB? If so, is there something I can add or modify in my configuration of this share?










share|improve this question






























    3















    I have a raw copy of a Windows NTFS volume on my Linux machine. When I loop it and share it out on a domain-joined Linux machine via Samba as-follows --



    [global] 
    workgroup = <my-domain>
    realm = <my-domain.com>
    server string = %h (backups)
    security = ADS
    map to guest = Bad User
    obey pam restrictions = Yes
    pam password change = Yes
    passwd program = /usr/bin/passwd %u
    passwd chat = *Entersnews*spassword:* %nn *Retypesnews*spassword:* %nn *passwordsupdatedssuccessfully* .
    unix password sync = Yes
    restrict anonymous = 1
    syslog = 0
    log file = /var/log/samba/log.%m
    max log size = 1000
    dns proxy = No
    usershare allow guests = Yes
    allow insecure wide links = Yes
    panic action = /usr/share/samba/panic-action %d
    idmap uid = 10000 - 20000
    idmap gid = 10000 - 20000
    winbind enum users = Yes
    winbind enum groups = Yes
    idmap config * : range = 10000 - 20000
    idmap config * : backend = tdb
    map acl inherit = Yes
    ...
    [TestShare]
    path = /datto/mounts/TestShare
    valid users = nobody
    read only = No
    create mask = 0755
    force create mode = 0755
    force directory mode = 0755
    veto files = /lost+found/.locate.db
    dfree command = /datto/bin/dfree-runner


    There are no longer permissions associated with the block device (left -- right, original).



    left -- no permissions on share. right -- original permissions.



    On the other hand, mounting an iSCSI target of that same volume shows the original permissions.



    Is it possible to serve these original permissions / securities over SMB? If so, is there something I can add or modify in my configuration of this share?










    share|improve this question


























      3












      3








      3








      I have a raw copy of a Windows NTFS volume on my Linux machine. When I loop it and share it out on a domain-joined Linux machine via Samba as-follows --



      [global] 
      workgroup = <my-domain>
      realm = <my-domain.com>
      server string = %h (backups)
      security = ADS
      map to guest = Bad User
      obey pam restrictions = Yes
      pam password change = Yes
      passwd program = /usr/bin/passwd %u
      passwd chat = *Entersnews*spassword:* %nn *Retypesnews*spassword:* %nn *passwordsupdatedssuccessfully* .
      unix password sync = Yes
      restrict anonymous = 1
      syslog = 0
      log file = /var/log/samba/log.%m
      max log size = 1000
      dns proxy = No
      usershare allow guests = Yes
      allow insecure wide links = Yes
      panic action = /usr/share/samba/panic-action %d
      idmap uid = 10000 - 20000
      idmap gid = 10000 - 20000
      winbind enum users = Yes
      winbind enum groups = Yes
      idmap config * : range = 10000 - 20000
      idmap config * : backend = tdb
      map acl inherit = Yes
      ...
      [TestShare]
      path = /datto/mounts/TestShare
      valid users = nobody
      read only = No
      create mask = 0755
      force create mode = 0755
      force directory mode = 0755
      veto files = /lost+found/.locate.db
      dfree command = /datto/bin/dfree-runner


      There are no longer permissions associated with the block device (left -- right, original).



      left -- no permissions on share. right -- original permissions.



      On the other hand, mounting an iSCSI target of that same volume shows the original permissions.



      Is it possible to serve these original permissions / securities over SMB? If so, is there something I can add or modify in my configuration of this share?










      share|improve this question
















      I have a raw copy of a Windows NTFS volume on my Linux machine. When I loop it and share it out on a domain-joined Linux machine via Samba as-follows --



      [global] 
      workgroup = <my-domain>
      realm = <my-domain.com>
      server string = %h (backups)
      security = ADS
      map to guest = Bad User
      obey pam restrictions = Yes
      pam password change = Yes
      passwd program = /usr/bin/passwd %u
      passwd chat = *Entersnews*spassword:* %nn *Retypesnews*spassword:* %nn *passwordsupdatedssuccessfully* .
      unix password sync = Yes
      restrict anonymous = 1
      syslog = 0
      log file = /var/log/samba/log.%m
      max log size = 1000
      dns proxy = No
      usershare allow guests = Yes
      allow insecure wide links = Yes
      panic action = /usr/share/samba/panic-action %d
      idmap uid = 10000 - 20000
      idmap gid = 10000 - 20000
      winbind enum users = Yes
      winbind enum groups = Yes
      idmap config * : range = 10000 - 20000
      idmap config * : backend = tdb
      map acl inherit = Yes
      ...
      [TestShare]
      path = /datto/mounts/TestShare
      valid users = nobody
      read only = No
      create mask = 0755
      force create mode = 0755
      force directory mode = 0755
      veto files = /lost+found/.locate.db
      dfree command = /datto/bin/dfree-runner


      There are no longer permissions associated with the block device (left -- right, original).



      left -- no permissions on share. right -- original permissions.



      On the other hand, mounting an iSCSI target of that same volume shows the original permissions.



      Is it possible to serve these original permissions / securities over SMB? If so, is there something I can add or modify in my configuration of this share?







      linux windows permissions samba






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited Apr 28 at 18:27







      bd1251252

















      asked Apr 27 at 18:36









      bd1251252bd1251252

      1164




      1164




















          1 Answer
          1






          active

          oldest

          votes


















          0














          I'm not exactly sure why this happens but NTFS permission do not translate to *nix very well. I'm pretty sure that the on disk permissions that NTFS (5.0) uses are MUCH more complicated than what SAMBA reads.
          In my experience with connecting something like MacOS or BSD/FreeNAS to a device with NTFS on it, if you have a disk that has permissions applied that are for a non-domain joined computer and it is an OS disk, it will generally appear to work relatively normally (you can't get into C:Users%username% until you reset, but a folder on the C: root will have the permissions as 'Everyone'.)
          If you have a computer that is domain joined, things get quite harry. The extra SIDs that are domainusername likely require you to connect that *nix box to the LDAP service of the domain at a minimum. Even then, I have had trouble getting them to work smoothly.



          I'm guessing from your screenshots that you don't have a domain there (computernameusername) so your issue is likely pseudo related to a need for an LDAP connection (SID syncing).
          You could probably resolve this issue by either validating the permissions that are applied to the NTFS with a user that is synced to LDAP on your *nix box or standing up a Windows Server and connecting to that with LDAP or something like that. That is at least the path you want to drive down. =P






          share|improve this answer























          • My domain is bjd2385.com, so in the right window, such a user would be bjd2385Administrator. Thanks for your reply!

            – bd1251252
            Apr 28 at 21:15












          • Ah, yes. If you're domain joined then your SID is not replicated to the disk with anything meaningful. It's just a SID. There's also much more complex permissions in NTFS than *nix can manage when you have a Windows domain. You need LDAP for syncing the SIDs and then you'll still want to actually SET the permissions on a box that is running Windows so that it propagates the permissions properly.

            – thelanranger
            Apr 29 at 0:03











          Your Answer








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          1 Answer
          1






          active

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          active

          oldest

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          active

          oldest

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          0














          I'm not exactly sure why this happens but NTFS permission do not translate to *nix very well. I'm pretty sure that the on disk permissions that NTFS (5.0) uses are MUCH more complicated than what SAMBA reads.
          In my experience with connecting something like MacOS or BSD/FreeNAS to a device with NTFS on it, if you have a disk that has permissions applied that are for a non-domain joined computer and it is an OS disk, it will generally appear to work relatively normally (you can't get into C:Users%username% until you reset, but a folder on the C: root will have the permissions as 'Everyone'.)
          If you have a computer that is domain joined, things get quite harry. The extra SIDs that are domainusername likely require you to connect that *nix box to the LDAP service of the domain at a minimum. Even then, I have had trouble getting them to work smoothly.



          I'm guessing from your screenshots that you don't have a domain there (computernameusername) so your issue is likely pseudo related to a need for an LDAP connection (SID syncing).
          You could probably resolve this issue by either validating the permissions that are applied to the NTFS with a user that is synced to LDAP on your *nix box or standing up a Windows Server and connecting to that with LDAP or something like that. That is at least the path you want to drive down. =P






          share|improve this answer























          • My domain is bjd2385.com, so in the right window, such a user would be bjd2385Administrator. Thanks for your reply!

            – bd1251252
            Apr 28 at 21:15












          • Ah, yes. If you're domain joined then your SID is not replicated to the disk with anything meaningful. It's just a SID. There's also much more complex permissions in NTFS than *nix can manage when you have a Windows domain. You need LDAP for syncing the SIDs and then you'll still want to actually SET the permissions on a box that is running Windows so that it propagates the permissions properly.

            – thelanranger
            Apr 29 at 0:03















          0














          I'm not exactly sure why this happens but NTFS permission do not translate to *nix very well. I'm pretty sure that the on disk permissions that NTFS (5.0) uses are MUCH more complicated than what SAMBA reads.
          In my experience with connecting something like MacOS or BSD/FreeNAS to a device with NTFS on it, if you have a disk that has permissions applied that are for a non-domain joined computer and it is an OS disk, it will generally appear to work relatively normally (you can't get into C:Users%username% until you reset, but a folder on the C: root will have the permissions as 'Everyone'.)
          If you have a computer that is domain joined, things get quite harry. The extra SIDs that are domainusername likely require you to connect that *nix box to the LDAP service of the domain at a minimum. Even then, I have had trouble getting them to work smoothly.



          I'm guessing from your screenshots that you don't have a domain there (computernameusername) so your issue is likely pseudo related to a need for an LDAP connection (SID syncing).
          You could probably resolve this issue by either validating the permissions that are applied to the NTFS with a user that is synced to LDAP on your *nix box or standing up a Windows Server and connecting to that with LDAP or something like that. That is at least the path you want to drive down. =P






          share|improve this answer























          • My domain is bjd2385.com, so in the right window, such a user would be bjd2385Administrator. Thanks for your reply!

            – bd1251252
            Apr 28 at 21:15












          • Ah, yes. If you're domain joined then your SID is not replicated to the disk with anything meaningful. It's just a SID. There's also much more complex permissions in NTFS than *nix can manage when you have a Windows domain. You need LDAP for syncing the SIDs and then you'll still want to actually SET the permissions on a box that is running Windows so that it propagates the permissions properly.

            – thelanranger
            Apr 29 at 0:03













          0












          0








          0







          I'm not exactly sure why this happens but NTFS permission do not translate to *nix very well. I'm pretty sure that the on disk permissions that NTFS (5.0) uses are MUCH more complicated than what SAMBA reads.
          In my experience with connecting something like MacOS or BSD/FreeNAS to a device with NTFS on it, if you have a disk that has permissions applied that are for a non-domain joined computer and it is an OS disk, it will generally appear to work relatively normally (you can't get into C:Users%username% until you reset, but a folder on the C: root will have the permissions as 'Everyone'.)
          If you have a computer that is domain joined, things get quite harry. The extra SIDs that are domainusername likely require you to connect that *nix box to the LDAP service of the domain at a minimum. Even then, I have had trouble getting them to work smoothly.



          I'm guessing from your screenshots that you don't have a domain there (computernameusername) so your issue is likely pseudo related to a need for an LDAP connection (SID syncing).
          You could probably resolve this issue by either validating the permissions that are applied to the NTFS with a user that is synced to LDAP on your *nix box or standing up a Windows Server and connecting to that with LDAP or something like that. That is at least the path you want to drive down. =P






          share|improve this answer













          I'm not exactly sure why this happens but NTFS permission do not translate to *nix very well. I'm pretty sure that the on disk permissions that NTFS (5.0) uses are MUCH more complicated than what SAMBA reads.
          In my experience with connecting something like MacOS or BSD/FreeNAS to a device with NTFS on it, if you have a disk that has permissions applied that are for a non-domain joined computer and it is an OS disk, it will generally appear to work relatively normally (you can't get into C:Users%username% until you reset, but a folder on the C: root will have the permissions as 'Everyone'.)
          If you have a computer that is domain joined, things get quite harry. The extra SIDs that are domainusername likely require you to connect that *nix box to the LDAP service of the domain at a minimum. Even then, I have had trouble getting them to work smoothly.



          I'm guessing from your screenshots that you don't have a domain there (computernameusername) so your issue is likely pseudo related to a need for an LDAP connection (SID syncing).
          You could probably resolve this issue by either validating the permissions that are applied to the NTFS with a user that is synced to LDAP on your *nix box or standing up a Windows Server and connecting to that with LDAP or something like that. That is at least the path you want to drive down. =P







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Apr 28 at 19:00









          thelanrangerthelanranger

          396




          396












          • My domain is bjd2385.com, so in the right window, such a user would be bjd2385Administrator. Thanks for your reply!

            – bd1251252
            Apr 28 at 21:15












          • Ah, yes. If you're domain joined then your SID is not replicated to the disk with anything meaningful. It's just a SID. There's also much more complex permissions in NTFS than *nix can manage when you have a Windows domain. You need LDAP for syncing the SIDs and then you'll still want to actually SET the permissions on a box that is running Windows so that it propagates the permissions properly.

            – thelanranger
            Apr 29 at 0:03

















          • My domain is bjd2385.com, so in the right window, such a user would be bjd2385Administrator. Thanks for your reply!

            – bd1251252
            Apr 28 at 21:15












          • Ah, yes. If you're domain joined then your SID is not replicated to the disk with anything meaningful. It's just a SID. There's also much more complex permissions in NTFS than *nix can manage when you have a Windows domain. You need LDAP for syncing the SIDs and then you'll still want to actually SET the permissions on a box that is running Windows so that it propagates the permissions properly.

            – thelanranger
            Apr 29 at 0:03
















          My domain is bjd2385.com, so in the right window, such a user would be bjd2385Administrator. Thanks for your reply!

          – bd1251252
          Apr 28 at 21:15






          My domain is bjd2385.com, so in the right window, such a user would be bjd2385Administrator. Thanks for your reply!

          – bd1251252
          Apr 28 at 21:15














          Ah, yes. If you're domain joined then your SID is not replicated to the disk with anything meaningful. It's just a SID. There's also much more complex permissions in NTFS than *nix can manage when you have a Windows domain. You need LDAP for syncing the SIDs and then you'll still want to actually SET the permissions on a box that is running Windows so that it propagates the permissions properly.

          – thelanranger
          Apr 29 at 0:03





          Ah, yes. If you're domain joined then your SID is not replicated to the disk with anything meaningful. It's just a SID. There's also much more complex permissions in NTFS than *nix can manage when you have a Windows domain. You need LDAP for syncing the SIDs and then you'll still want to actually SET the permissions on a box that is running Windows so that it propagates the permissions properly.

          – thelanranger
          Apr 29 at 0:03

















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          Cegueira Índice Epidemioloxía | Deficiencia visual | Tipos de cegueira | Principais causas de cegueira | Tratamento | Técnicas de adaptación e axudas | Vida dos cegos | Primeiros auxilios | Crenzas respecto das persoas cegas | Crenzas das persoas cegas | O neno deficiente visual | Aspectos psicolóxicos da cegueira | Notas | Véxase tamén | Menú de navegación54.054.154.436928256blindnessDicionario da Real Academia GalegaPortal das Palabras"International Standards: Visual Standards — Aspects and Ranges of Vision Loss with Emphasis on Population Surveys.""Visual impairment and blindness""Presentan un plan para previr a cegueira"o orixinalACCDV Associació Catalana de Cecs i Disminuïts Visuals - PMFTrachoma"Effect of gene therapy on visual function in Leber's congenital amaurosis"1844137110.1056/NEJMoa0802268Cans guía - os mellores amigos dos cegosArquivadoEscola de cans guía para cegos en Mortágua, PortugalArquivado"Tecnología para ciegos y deficientes visuales. Recopilación de recursos gratuitos en la Red""Colorino""‘COL.diesis’, escuchar los sonidos del color""COL.diesis: Transforming Colour into Melody and Implementing the Result in a Colour Sensor Device"o orixinal"Sistema de desarrollo de sinestesia color-sonido para invidentes utilizando un protocolo de audio""Enseñanza táctil - geometría y color. Juegos didácticos para niños ciegos y videntes""Sistema Constanz"L'ocupació laboral dels cecs a l'Estat espanyol està pràcticament equiparada a la de les persones amb visió, entrevista amb Pedro ZuritaONCE (Organización Nacional de Cegos de España)Prevención da cegueiraDescrición de deficiencias visuais (Disc@pnet)Braillín, un boneco atractivo para calquera neno, con ou sen discapacidade, que permite familiarizarse co sistema de escritura e lectura brailleAxudas Técnicas36838ID00897494007150-90057129528256DOID:1432HP:0000618D001766C10.597.751.941.162C97109C0155020