![]() The server would return "access denied" to all non-encrypted requests on such a share. If this is set to mandatory then all traffic to a share must must be encrypted once the connection has been made to the share. This may be set on a per-share basis, but clients may chose to encrypt the entire session, not just traffic to a specific share. Possible values are auto, mandatory and disabled. This controls whether the remote client is allowed or required to use SMB encryption. Windows clients do not support this feature. Currently this is only supported by Samba 3.2 smbclient, and hopefully soon Linux CIFSFS and MacOS/X clients. When enabled it provides a secure method of SMB/CIFS communication, similar to an ssh protected session, but using SMB/CIFS authentication to negotiate encryption and signing keys. ![]() SMB encryption uses the GSSAPI (SSPI on Windows) ability to encrypt and sign every request/response in a SMB protocol stream. It is an extension to the SMB/CIFS protocol negotiated as part of the UNIX extensions. This is a new feature introduced with Samba 3.2 and above. Set primary group script = /usr/sbin/smbldap-usermod -g '%g' '%u'Īdd group script = /usr/sbin/smbldap-groupadd -p '%g'ĭelete group script = /usr/sbin/smbldap-groupdel '%g'Īdd user to group script = /usr/sbin/smbldap-groupmod -m '%u' '%g'ĭelete user from group script = /usr/sbin/smbldap-groupmod -x '%u' '%g'Īdd machine script = /usr/sbin/smbldap-useradd -W '%m' -t 1 Rename user script = /usr/sbin/smbldap-usermod -r '%unew' '%uold'ĭelete user script = /usr/sbin/smbldap-userdel '%u' # Sync UNIX password with Samba passwordĪdd user script = /usr/sbin/smbldap-useradd -m '%u' -t 1 Passdb backend = ldapsam:ldap://localhost If we add the two options server signing and smb encrypt only to the section of smb.conf, then tcpdump shows, that the actual traffic is not encrypted! English translation of this text: The trust relationship between this workstation and the primary domain could not be established. After doing so, win 8.0 and win 8.1 clients (haven't tried any other) complain: Die Vertrauensstellung zwischen dieser Arbeitsstation und der primären Domäne konnte nicht hergestellt werden. Everything works fine, except for if we try to enforce encryption via setting: server signing = mandatory ![]() ![]() We use Samba on Ubuntu 14.04 LTS as a PDC (primary domain controller) with roaming profiles. ![]()
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