[Samba] Samba 3.5.5. id-map issues with Active Directory

Haven haven at thehavennet.org.uk
Mon Oct 4 09:53:50 MDT 2010


  Its taken a lot of fairly random experimentation but I've finally 
got configs that work under samba 3.5.5 on both Gentoo and Debian 
with 2008 server. The sections in my old config that seemed to be 
causing the problems and their replacements are shown below:

Old broken:

         idmap backend = ad
         winbind nss info = rfc2307

New working:

         idmap uid = 10000-20000
         idmap gid = 10000-20000

No changes were needed to my kerberos setup.

I've included a copy of my current smb.conf that is working for me 
after upgrading from 3.4.8 to 3.5.5:

> [global]
>
> workgroup = DOMAIN
> security = ADS
> kerberos method = system keytab
> winbind use default domain = true
> realm = DOMAIN.NET
>
> disable netbios = yes
> name resolve order = host lmhosts
> hosts allow = 127.0.0.1 192.168.1.0/24 93.97.246.119
> hosts deny = 0.0.0.0/0
>
> password server = 192.168.1.2, 192.168.1.3, *
>
> idmap config DOMAIN : default = yes
> idmap config DOMAIN : schema_mode = rfc2307
> idmap config DOMAIN : backend = ad
> idmap config DOMAIN : range = 10000-20000
>
> idmap uid = 10000-20000
> idmap gid = 10000-20000
>
> winbind offline logon = yes
> winbind nested groups = yes
> winbind separator = +
>
> template homedir = /home/%U
> template shell = /bin/bash
> client ntlmv2 auth = yes
> encrypt passwords = yes
>
> local master = no
> domain master = no
> preferred master = no
> dns proxy = no
>
> server string = Samba Server Version %v
>
> socket options = TCP_NODELAY IPTOS_LOWDELAY SO_KEEPALIVE 
> SO_RCVBUF=8192 SO_SNDBUF=8192
>
> # Fix character set issues:
> # 
> http://www.unixresources.net/linux/lf/59/archive/00/00/13/18/131896.html
> dos charset = 850
> unix charset = UTF-8

There is still a slight discrepancy with debian returning more 
groups for users when you type "id <user>" than gentoo, but it 
appears to be a gentoo error i.e. "10005(denied rodc password 
replication group)". Something to look at another day as auth works 
for now which is the main thing.

Regards

Simon


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