[Samba] Unable to authenticate ldap externally after upgrade from 4.4.0 to 4.4.2
Rowland penny
rpenny at samba.org
Thu Apr 14 14:13:40 UTC 2016
On 14/04/16 13:52, lingpanda101 at gmail.com wrote:
> On 4/13/2016 1:48 PM, lingpanda101 at gmail.com wrote:
>> On 4/13/2016 12:15 PM, lingpanda101 at gmail.com wrote:
>>> Hello,
>>>
>>> After upgrading all external services will no longer
>>> authenticate to the domain. One of those is osTicket. Looking
>>> through the release notes I figured this would happen. However I'm a
>>> bit tentative to make changes to my smb.conf without doing damage
>>> and asking for help from the list. I have 6 DC's. One holds all the
>>> FMSO roles. This is the smb.conf from that DC.
>>>
>>> [global]
>>> workgroup = DOMAIN
>>> realm = DOMAIN.LOCAL
>>> netbios name = PFDC1
>>> server role = active directory domain controller
>>> dns forwarder = 8.8.8.8
>>> idmap_ldb:use rfc2307 = Yes
>>>
>>> log level = 0
>>> logging = syslog at 1 file
>>> debug uid = Yes
>>> debug pid = Yes
>>>
>>> allow dns updates = nonsecure
>>>
>>> load printers = No
>>> printcap name = /dev/null
>>> disable spoolss = Yes
>>>
>>> # Add and Update TLS Key
>>> tls enabled = yes
>>> tls keyfile = tls/sambaKey.pem
>>> tls certfile = tls/sambaCert.pem
>>> tls cafile =
>>>
>>>
>>> [netlogon]
>>> path = /usr/local/samba/var/locks/sysvol/domain.local/scripts
>>> read only = No
>>>
>>> [sysvol]
>>> path = /usr/local/samba/var/locks/sysvol
>>> read only = No
>>>
>>>
>>> The only difference this DC has in it's smb.conf from the others is
>>> the TLS key section. I needed to create a custom self-signed
>>> certificate for another service that required a stronger key. 2048
>>> bit. Not sure if this has any bearing on my issue. I think my issue
>>> has to do with the the following value
>>>
>>> 'ldap server require strong auth = yes'
>>>
>>> Is this where I should be looking? For reference this is how I setup
>>> osTicket parameters for external ldap authentication.
>>>
>>> http://blog.zwiegnet.com/linux-server/configure-osticket-for-ldap-authentication/
>>>
>>>
>>> Dc's are all Ubuntu 12.04. Installed Samba from tar and the
>>> following commands.
>>>
>>> ./configure
>>> make
>>> make install
>>>
>>> Installation went fine without error. Thanks.
>>>
>> As I suspected the line
>>
>> 'ldap server require strong auth = yes'
>>
>> does play a role. Setting this to no allowed external authentication
>> again. Not with osTicket. It allowed other services I was having
>> issues authenticating with. I will attempt to enable TLS on those
>> applications so I can use the default behavior.
>>
>>
>>
>>
>>
>>
> The issue with osTicket was I needed to add 'ldap server require
> strong auth = yes' to the second DC's smb.conf in the site. Oversight
> on my part.
>
> Can someone explain the difference between 'allow_sasl_over_tls' and
> 'yes' options? More specifically 'yes', as the prior option seems self
> explanatory. Thanks.
>
You will find the answer to that in the release notes here:
https://www.samba.org/samba/history/samba-4.4.2.html
Rowland
More information about the samba
mailing list