On 06/08/2012 07:26 AM, Dmitri Pal wrote:
On 06/07/2012 09:22 PM, Cam McK wrote:
Hello
2). We would also like to use FreeIPA in a trusted network but then
have perhaps a read-only slave sitting in DMZ with the possibility of
not containing the KDC or LDAP password stores on it, is this possible?
(Basically authentication being done by a different PAM module, but
pam_sss.so still allowing HBAC via the PAM 'account' directive.)
Is it possible to have a 'regular' LDAP directory (in the DMZ) just
slurping down the required LDAP info?
I suggest using an LDAP directory that can do proxy operations or
proxy authentications. You might consider 389 and sync in some user
accounts and groups while using pam passtrough capabilities. I think
recent upstream versions of 389 made this configuration possible but
you need to check with them. #389 on freenode is your best bet.
Openldap has some capabilities that might be of the value here too.
389 can consult PAM to authenticate a user when performing an LDAP BIND
operation. This would probably take care of the authentication piece of
the puzzle.
You would also need to use fractional replication to avoid replicating
things like passwords or Kerberos related attributes to the DMZ LDAP
server. Fractional replication can only trim out specific attributes.
It does not allow you to select portions of the tree to replicate at the
entry level. This would mean that all of your user accounts would need
to be replicated out to the DMZ LDAP server, but you could trim
sensitive attributes.
I am not quite sure what you are trying to accomplish here so a bit
more details would be helpful.
More details would definitely help. I don't think you can easily
accomplish what you want right now. It could be possible with a lot of
manual configuration of 389 on both the IPA and DMZ LDAP server sides,
but I don't think anyone has set things up in this way with IPA before.
-NGK
Many Thanks
Campbell
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--
Thank you,
Dmitri Pal
Sr. Engineering Manager IPA project,
Red Hat Inc.
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