Hi,

Nobody has a clue on the best practices for AD domains with trust ? :-(

Regs,

Jeremy

On Mon, Oct 23, 2017 at 10:29 AM, Jeremy Monnet <jmon...@gmail.com> wrote:

> Hi,
>
> I am trying to setup an authentication against Active Directory, with
> multiple domains, and I haven't been able to find the recommended way to do
> it (it is very possible I missed it...), so I am looking for explanation
> and advice.
>
> With a master domain example.com, and subdomains sub1.example.com,
> sub2.example.com, etc, how would you setup sssd (and the linux system) to
> authenticate the users from all the domains ?
>
> To give te example, my user is ad admin across all the forests (
> my_u...@example.com), and I want to authenticate on all the servers,
> smtp.example.com or proxy.sub1.example.com, etc. I also want on some
> computer to authenticate customer's account (my_custo...@sub1.example.com)
> .
>
> For now, I have 2 different setups :
> - on computers from example.com
> [sssd]
> config_file_version = 2
> debug_level =0
> domains = example.com
> services = nss, pam
> [domain/example.com]
> enumerate = true
> dns_discovery_domain = cy2._sites.example.com
> debug_level = 8
> id_provider = ad
> access_provider = ad
> ldap_id_mapping = false
> #dyndns_update = false
>
> - on computer from sub1.example.com
> [sssd]
> config_file_version = 2
> debug_level =0
> domains = sub1.example.com,example.com
> services = nss, pam
>
> [domain/example.com]
> enumerate = true
> dns_discovery_domain = cy2._sites.example.com
> debug_level = 9
> id_provider = ad
> access_provider = ad
> ldap_id_mapping = false
>
> [domain/sub1.example.com]
> enumerate = true
> dns_discovery_domain = cy2._sites.sub1.example.com
> debug_level = 7
> id_provider = ad
> access_provider = ad
> ldap_id_mapping = false
>
> I join computer to example.com or to sub1.example.com:
> adcli join example.com -U my_u...@example.com
> or
> adcli join sub1.example.com -U my_u...@example.com
> as I would do with an ordinary windows workstation.
>
> And for AD, I use the posix attributes (and that may be the way...) so if
> a UID or GID exists in both domains, I happen to find wrong group names,
> etc.
>
>
> I hope my questions are clear enough ! :-) What am I doing wrong ? What
> are the recommended settings for that situation ?
>
> Thanks,
>
> Jeremy
>
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