[Freeipa-users] Fwd: 2-Factor and services

[Matt Wells]

Is Kerberos the only mechanism in IDM using OTP?

On Sun, Mar 1, 2015 at 6:40 PM, Dmitri Pal <dpal at redhat.com> wrote:

> On 02/27/2015 11:37 AM, Matt Wells wrote:
>
>> I see how that would work but as you mentioned, I no longer have SSO.
>>
>> My desktops are all 3.  Linux, Mac and Windows however the Windows
>> systems talk with AD and a trust exists to facilitate those
>> communications and SSO between the systems.
>>
>> It doesn't sound like this is really possible without the heavy loss
>> of functionality.  This would be an amazing option to add though.  The
>> ability to define a service and prioritize an authentication
>> mechanism.
>>
>
> On Mac and Windows you would not get SSO anyways because Kerberos on thos
> platforms does not support latest RFCs related to 2FA at least yet and
> since they are proprietary it is unclear what their plans are.
>
> The problem we also have is that there is no way to be selective on the
> KDC/DS side - there is no way to determine what the client is and associate
> some policies to it.
> It would have to be the client that would have to have capability to
> enforce or not enforce 2FA if the server supports both. But again that
> means that Mac and Windows would have to keep up with this capability.
>
> Bottom line it is a popular request but it is unclear how we can satisfy
> it.
>
>
>
>>
>> On Thu, Feb 26, 2015 at 2:09 PM, Dmitri Pal <dpal at redhat.com> wrote:
>>
>>> On 02/26/2015 12:40 PM, Matt Wells wrote:
>>>
>>>> Had an error on my options for the list and the replies failed to get
>>>> to me. We'll see if this reply works.  :)
>>>>
>>>> @Dmitri - Anyone coming through this service/host (OpenVPN with pam)
>>>> will be required to use 2-Factor.  Their normal logins at their desk
>>>> are not required for 2-factor, it's ok if they use it but it's not
>>>> required at all.
>>>> This VPN service is as assumed, exposed to the internet.  We're
>>>> wanting to protect ourselves as best we can with AAA.
>>>>
>>>
>>> If we just talking about managing users in IdM and having tokens for them
>>> managed in IdM too then the recommendation is:
>>>
>>> - Set users to use OTP or password (set both check boxes)
>>> - Configure VPN to use Kerberos authentication against IPA - that will
>>> force
>>> use of 2FA with the policy above
>>> - Configure computers at the desk to use LDAP (you loose Kerberos SSO) -
>>> that would allow single factor with the policy above
>>>
>>> What are your desktops? Lunux? Mac?
>>> Is there any AD involved?
>>>
>>>
>>>
>>>
>>>
>>>> -------------------------------
>>>> I've got many of users setup with 2-Factor and I'd like to enforce it
>>>> with some services.
>>>> For example.
>>>> Server vpn.example.com is an openvpn servers setup to use PAM.
>>>> Since he's tied to my 4.X IDM servers I can use 2-Factor with him.
>>>> However I want to enforce that users from this system/service require
>>>> 2-Factor.
>>>> Can anyone point me in the right direction?  My Google Foo is showing
>>>> to be poor on this one and any guidance would be appreciated.
>>>>
>>>> As always thanks for taking the time to read over this.
>>>>
>>>>
>>>> So do you want to use 2FA for some users and 1FA for others or do you
>>>> want to have flexibility to use 2FA for the same user on one system
>>>> and not another?
>>>> Do you plan to use external tokens like RSA or you plan to use native
>>>> OTP support in IPA?
>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Thank you,
>>>> Dmitri Pal
>>>>
>>>> Sr. Engineering Manager IdM portfolio
>>>> Red Hat, Inc.
>>>>
>>>>
>>>>
>>> --
>>> Thank you,
>>> Dmitri Pal
>>>
>>> Sr. Engineering Manager IdM portfolio
>>> Red Hat, Inc.
>>>
>>> --
>>> Manage your subscription for the Freeipa-users mailing list:
>>> https://www.redhat.com/mailman/listinfo/freeipa-users
>>> Go To http://freeipa.org for more info on the project
>>>
>>
>>
>>
>
> --
> Thank you,
> Dmitri Pal
>
> Sr. Engineering Manager IdM portfolio
> Red Hat, Inc.
>
>


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