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Re: [Freeipa-users] proxy with Active Directory



On 05/09/2012 03:11 PM, Steven Jones wrote:
Hi,

My understanding is passync intercepts the password before its encrypted in AD

Yes.

and written to the AD's ldap db/disk

PassSync writes it to a log file on the windows machine, not to the ldap db.

it cant be decrypted thereafter.

PassSync stores the password reversibly encrypted on the disk, so it is safely stored, and can be converted back to cleartext to send to IPA.

It then sends the plain text password via an encrypted link to IPA, so its pretty safe. No there is no easy way I know of, though its possible to use AD for Kerberos ie password and an LDAP for control, dont think that is practical in IPA.....but AD and say Openldap, yes. We have a setup here, but ordinary bods like me couldnt maintain / modify / patch it.

The other possibility is Oracle's OVD which is an open virtual directory that sits in front of (multiple if necessary) LDAPs and gives a LDAPv3 output but that is  expensive...ie when oracle say "open" they mean open your wallet and we'll take all we want...its also awful....2 of use tried for 3 weeks to make it work and gave up, too unstable.

The last way I know of, which we have is a web based application called Psync which allows users to reset their own password via a https web page that then injects into AD, it can do LDAPs as well in parallel...but thats really the same thing as passync....

Or just use AD, then you use something like Centrify or Likewise and that cost hurts as well. So depends who is paying....get them to "chat" to your security group. Ours are A OK with Passync as the gains of IPA and centralised control far outstrip the Passsync minor concern. Besides which a decently sized and complex AD is a swiss cheese for security anyway.  Ask your security how the last external pen test on AD went..if they have never done one.....its a bit rich for them to comment on Passync.....

;]

regards

Steven Jones

Technical Specialist - Linux RHCE

Victoria University, Wellington, NZ

0064 4 463 6272


From: freeipa-users-bounces redhat com [freeipa-users-bounces redhat com] on behalf of Sylvain Angers [sylvainangers gmail com]
Sent: Thursday, 10 May 2012 6:19 a.m.
To: Freeipa-users redhat com
Subject: [Freeipa-users] proxy with Active Directory

Hello
 
Our security group have concern with copying username/password from from AD and might not allow this synchronisation to even happen.
Is there a way to configure ipa to go get username/password via kind of proxy?
 
Thank you!

--
Sylvain Angers



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