[Samba] Enabling LDAPS in Samba in a dual-DC setup

[L.P.H. van Belle]

If you dont want to juse the selfsigned certs. 

I can recommend: 
https://hohnstaedt.de/xca/ 

Setup you own CA root. 
Setup the certificates for the servers and deploy the Root Cert. 

Now its in you hand then things expire. 

Or 
https://lists.samba.org/archive/samba/2019-January/220463.html 
I've not tested that yet but its high on my list to test.  


Greetz, 

Louis


> -----Oorspronkelijk bericht-----
> Van: samba [mailto:samba-bounces at lists.samba.org] Namens 
> Stephen via samba
> Verzonden: vrijdag 5 april 2019 13:14
> Aan: samba at lists.samba.org
> Onderwerp: [Samba] Enabling LDAPS in Samba in a dual-DC setup
> 
> Hi everyone, I have a basic SAMBA setup with a main AD DC ad1 and a 
> backup AD DC ad2, running on Samba 4.5.16-Debian on Raspbian.
> 
> I would now like to enable LDAPS so my users can authenticate 
> in other 
> non Samba services using Active Directory. From reading the 
> documentation here: 
> https://wiki.samba.org/index.php/Configuring_LDAP_over_SSL_(LD
> APS)_on_a_Samba_AD_DC
> I understand that for the most basic LDAPS setup using the 
> pre-existing 
> self-signed certificate I need only add the following lines to my 
> smb.conf to enable this:
> 
> tls enabled  = yes
> tls keyfile  = tls/key.pem
> tls certfile = tls/cert.pem
> tls cafile   = tls/ca.pem
> 
> My questions related to this are:
> 
> 1) Since I have a dual DC setup do I need to manually enable tls for 
> LDAPS separately on the secondary DC, or will this be automatically 
> detected from the primary and the settings copied over automatically?
> 
> 2) How do I go about creating a dedicated user account that 
> can be used 
> with third-party services (in this case redmine) to access AD 
> via LDAPS 
> to retrieve user login credentials securely? For the avoidance of 
> confusion here I understand the processes used to create a basic AD 
> account. What I am specifically interested in is the particular 
> combination of privileges or permissions i would need to set 
> on a basic 
> account to allow LDAPS access using this account. I believe I 
> will need 
> to create such an account to use with redmine since I have read that 
> anonymous LDAPS access is not possible with AD.
> 
> 3) What will happen in 700 days time when the self-certified 
> certificate 
> initially created by Samba on its first execution expires? Will 
> everything just suddenly stop working suddenly and authentication in 
> Redmine come grinding to a halt? How should I remedy this?
> 
> Thanks
> Stephen Ellwood
> 
> 
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