I'll give your a concrete example: 

 A developer is connected on his laptop with Windows 7. At startup, he's 
prompted to login to the domain with his credentials. These credentials are 
verified by the RHEL server running IPA. Credentials are correct and the user 
is logged in the domain. => At this point, is this possible ? 

 Now, this user wants to connect through SSH to a RHEL server (another IPA 
client). He uses PUTTY and he is connecting to the server, no login/password is 
required, the authentication is done over his IPA connection. => Is this 
possible ?

 Now, once connected on the RHEL server, he wants to use the command "reboot 
now" but this one is not authorized by the IPA server for this user on this 
server. => Is this possible ?

 Many thanks, 

----- Message d'origine -----
De : david t. klein
Envoyés : 24.01.13 14:19
À : 'Bob Sauvage', d...@redhat.com
Objet : RE: [Freeipa-users] Re : Re: Re : Re: Some interrogations about the 
freeipa deployment

While you can make it sort of work, it will be a lot more difficulty, and will 
never work quite how you want. You would be better off using Active Directory 
or Samba4, and creating trusts between the two domains. 
-DTK
--
 david t. klein

 Cisco Certified Network Associate (CSCO11281885)
 Linux Professional Institute Certification (LPI000165615)
 Redhat Certified Engineer (805009745938860)

 Quis custodiet ipsos custodes?

From: freeipa-users-boun...@redhat.com 
[mailto:freeipa-users-boun...@redhat.com]  *On Behalf Of *Bob Sauvage
 *Sent:* Thursday, January 24, 2013 4:05 AM
 *To:* d...@redhat.com
 *Cc:* freeipa-users@redhat.com
 *Subject:* [Freeipa-users] Re : Re: Re : Re: Some interrogations about the 
freeipa deployment

Hi Dimitri, 

Thanks for your response but I'm a little bit confused. Indeed, some users tell 
me that it's possible to join an IPA domain from a windows workstation and you 
say this is not possible. 

I don't have an AD server, I want to configure IPA to act like an AD. My 
network contains Windows/Linux workstations and I want to centrally manage 
authentications. 

Regards
----- Message d'origine -----
De : Dmitri Pal
Envoyés : 24.01.13 00:53
À :  freeipa-users@redhat.com 
Objet : Re: [Freeipa-users] Re : Re: Some interrogations about the freeipa 
deployment

On 01/23/2013 03:59 PM, Bob Sauvage wrote:
 >
 > Hi Dale,
 >
 > You mean that if I turn this option to 'yes', I'll be able to connect to the 
 > server through SSH without needing to authenticate again ? Even if I'm 
 > connected on the domain from a Windows workstation ?
 >

 If you setup trusts between IPA and AD then yes.
 If not then you need to ssh from the system that belongs to the API domain.
 IPA does not support Windows systems to be joined to IPA domain. But you can 
configure kerberos for Windows and use local Windows accounts. There are some 
HowTos on the wiki about it.
 Alternatively you join Linux systems to AD and use it as your central 
authentication server then SSO would also work but you will loose ability to 
manage your Linux related policies.

 Trusts is probably the best for you but there will be dragons.
http://freeipa.org/page/Howto/IPAv3_AD_trust_setup 


 > Regards,
 >
 >
 >
 >> ----- Message d'origine -----
 >>
 >> De : Dale Macartney
 >>
 >> Envoyés : 22.01.13 23:13
 >>
 >> À :  freeipa-users@redhat.com 
 >>
 >> Objet : Re: [Freeipa-users] Some interrogations about the freeipa deployment
 >>
 >>
 >>

On 01/22/2013 09:51 PM, Steven Jones wrote:
 > Hi,

 > I have all done this, so from what you write I think IPA would be a good fit 
 > for what you want, except that is the single sign on bit I have not looked 
 > to see if that can be done. For http restart you control that via sudo in 
 > IPA so its centrally managed, I have this working for one such server though 
 > I use the reload option instead.
 to enable SSO with SSH from a ipa workstation, just edit /etc/ssh/sshd_config 
and make sure the line below is set to yes
 "GSSAPIAuthentication yes"

 If you've just made the change, it won't take effect until SSH is restarted. 
So do the usual service sshd restart.


 > I would also not run one instance of IPA myself but with such a small site 
 > that's your call.

 > regards

 > Steven Jones

 > Technical Specialist - Linux RHCE

 > Victoria University, Wellington, NZ

 > 0064 4 463 6272

 > -------------------------
 > *From:*  freeipa-users-boun...@redhat.com  [ 
 > freeipa-users-boun...@redhat.com ] on behalf of Bob Sauvage [ 
 > bob.sauv...@gmx.fr ]
 > *Sent:* Wednesday, 23 January 2013 9:51 a.m.
 > *To:*  freeipa-users@redhat.com 
 > *Subject:* [Freeipa-users] Some interrogations about the freeipa deployment

 > Hi *,

 > I plan to review the network architecture of my office. 10 Windows/Linux 
 > desktops and 2 Linux servers will be deployed on the network.

 > I want to install freeipa on the first server to act like an AD DS. I want 
 > to authenticate users on the server and controlling what can be done or not 
 > by them on the network. 10 other linux web servers should be accessible 
 > (console) by specific users and without the need to authenticating again 
 > (single sign on). On these web servers, users can issue specific commands 
 > like "/etc/init.d/httpd restart".

 > Is it possible to achive this with freeipa ? Do you have some articles ?

 > Thanks in advance,

 > Bob !


 > _______________________________________________
 > Freeipa-users mailing list
 >  Freeipa-users@redhat.com 
 > https://www.redhat.com/mailman/listinfo/freeipa-users 
>>
 >
 >
 >
 >
 >
 >
 > _______________________________________________
 > Freeipa-users mailing list
 >  Freeipa-users@redhat.com 
 > https://www.redhat.com/mailman/listinfo/freeipa-users 

 --
 Thank you,
 Dmitri Pal

 Sr. Engineering Manager for IdM portfolio
 Red Hat Inc.


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