[Freeipa-users] Integrate bio-metric authentication with FreeIPA

2013-12-23 Thread Danijel Maksic
Hello,

I'm interested in using FreeIPA but I can not find a way to integrate
bio-metric authentication.
Is there a way to do this? Could you direct me to some text or tutorial?

Thanks and Best Regards,

Danijel Maksic
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Re: [Freeipa-users] Sudo issues with FreeIPA

2013-12-23 Thread Dimitar Georgievski
Hi Lukas,

Does the LDAP entry need to be removed or just modified? Could the LDAP
entry be a sudo policy assigned to the user?

In my tests with modified sudo policies the cache entries would persists
even after they were invalidated and the user re-authenticated with the
LDAP server.  Unless I wanted to wait for a smart refresh of the cache I
had to delete the entry from the cache with ldbdel and then restart the
SSSD daemon.

I wonder if there is a better way to refresh the cache on demand.

Thanks,

Dimitar



On Sat, Dec 21, 2013 at 3:28 PM, Lukas Slebodnik lsleb...@redhat.comwrote:

 On (20/12/13 18:42), Dimitar Georgievski wrote:
 Hi Dmitri,
 
 One follow up question about the management of the SSSD local cache. I've
 tried to clean cache entries with the sss_cache utility, but it looks like
 this utility is not working. I was able to confirm with ldbsearch that
 records for specific entries were not removed from the cache.
 
 This seems to be a bug. I can use ldpdel with a restart of the SSSD
 daemon,
 but just wanted to confirm with you. I suspect you would know more about
 this problem.  Unfortunately I wasn't able to find any info yet about this
 potential bug.
 
 thanks
 
 Dimitar
 
 sss_cache does not remove users from cache (sss_cache -U)
 This utility sets expiration of account to the past (unix time with value
 1),
 because user needs to be able authenticate offline.
 Entry will be removed from cache if user try to
 authenticate online and entry is removed from LDAP.

 LS

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[Freeipa-users] FreeIPA Server Install - Why --no-ntp?

2013-12-23 Thread Jason Becker
Section 2.1.4.5. NTP in the Fedora 18 / 3.1.5 Guide states:

If a server is being installed on a virtual machine, that server *should
not* run an NTP server. To disable NTP for FreeIPA, use the *--no-ntp*option.

There is no further explanation.

I would like to install FreeIPA Server on a vSphere VM where NTP is
recommended as part of their timekeeping best practices for Linux guests.

Please advise.

Thanks!
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Re: [Freeipa-users] Sudo issues with FreeIPA

2013-12-23 Thread Lukas Slebodnik
On (23/12/13 10:16), Dimitar Georgievski wrote:
Hi Lukas,

Does the LDAP entry need to be removed or just modified? Could the LDAP
entry be a sudo policy assigned to the user?

sudo rules are special case, I didn't noticed anything about sudo rules
in the previous mail. There is periodical task in the sssd for refreshing sudo
rules because of current ldap schema.

In my tests with modified sudo policies the cache entries would persists
even after they were invalidated and the user re-authenticated with the
LDAP server.  Unless I wanted to wait for a smart refresh of the cache I
had to delete the entry from the cache with ldbdel and then restart the
SSSD daemon.

I wonder if there is a better way to refresh the cache on demand.
sss_cache does not work with sudo rules. If you are testing something,
you can manually remove sssd cache (rm /var/lib/sss/db/cache_*.ldb).
If you don't like behaviour in production, you can decrease interval of refresh
update.

man sssd-sudo
- THE SUDO RULE CACHING MECHANISM

and for sudo configuration options:
man sssd-ldap
- SUDO OPTIONS

LS

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Re: [Freeipa-users] FreeIPA Server Install - Why --no-ntp?

2013-12-23 Thread Simo Sorce
On Mon, 2013-12-23 at 12:57 -0700, Jason Becker wrote:
 Section 2.1.4.5. NTP in the Fedora 18 / 3.1.5 Guide states:
 
 If a server is being installed on a virtual machine, that server *should
 not* run an NTP server. To disable NTP for FreeIPA, use the *--no-ntp*option.
 
 There is no further explanation.
 
 I would like to install FreeIPA Server on a vSphere VM where NTP is
 recommended as part of their timekeeping best practices for Linux guests.

Often happens that VMs do not do very good time keeping, so using a VM
as the central NTP server is not really advised, you should instead get
a good source for NTP external to the virtualized environment and you
that one  as the time source for your network.

Of course if your virtualization environment guarantees a good clock, go
for it.

The recommendation is in the spirit of avoiding issues in the common
case, that up to the time of the writing was not very good :)

Simo.

-- 
Simo Sorce * Red Hat, Inc * New York

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