Kerberos For Mac
Kian Trip
Hello folks,
we have adjusted the configuration of jamf connect. Since we don't need the Kerberos option, we've removed it. Now we have some MacBooks that still show when the password is about to expire. How can I remove this ad on the clients?
Hi, the password expiration countdown is a configuration key in your Jamf Connect config setting which has nothing to do with kerberos. It's just a countdown which it syncs to your IDP. Look for this key ExpirationNotificationStartDay
As i sad we have changed our config and deleted the Kerberos Part. But some Clients thinks Kerberos is still active. So we have some users, which get this because their password expires after 90 days. They can change it with jamf connect but the timer still goes on.
defaults delete com.jamf.connect.state in terminal was the solution. after the command you need to quit jamf connect and it restarts without the expiration. how am i able to deploy it with a script for the users in jamf?
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This process updates the CIFS server machine account password in Active Directory. The password was updated successfully in Active Directory and I can now see client connections to the CIFS SVM using Kerberos successfully.
These errors only occur maybe 3 or 4 times in a 24 hour period. The errors only appear on one node out of a 4 node cluster. Additionally, there are no volumes owned by the node reporting the error - apart from one Load Sharing replica volume for the SVM root.
This message occurs when invalid credentials are provided for an Active Directory user or the machine account password is out of sync with the credentials set in the Active Directory.
All new user sessions since enabling AES encryption are using Kerberos. Previously they were using NTLMv2. The errors only appear a few times a day and don't correspond to when users connect a new CIFS session. I would expect to see hundreds all of the time if the error log events were as a result of each CIFS session.
That resolution doesn't make sense to me as when running that command, you are only prompted to enter an account with permission in Active Directory to make password changes. There is no prompt to enter the password for the CIFS server object in AD. The password does get changed each time in AD when running the command, so I at least know it is doing what it is meant to be doing in AD.
Yes, that's a correct observation. : "That resolution doesn't make sense to me as when running that command, you are only prompted to enter an account with permission in Active Directory to make password changes."
Actually, you don't change the CIFS Server machine-account password , it is refreshed automatically based on the AD policy. You just need to "reset" the password if it has been manually changed on the AD side without NetApp(SVM) knowledge. In this situation, you just have to reset it by running the command as suggested. The Password you provide while running this command, is only needed to authenticate to AD to make sure you have the permission to do so.
we have a similar issue, in connection with kerberized NFS.
Sometimes, when a user tries to access a kerberized LIF, the error message is triggered.
on the KDC, it is first shown that the SVM tries to authenticate via kerberos, which fails. Afterwards it falls back to NTLM and succeeds.
I have the same problem that has got worse since we upgrade to 9.12.1P9 from 9.11.1. Support is telling us that it's a domain trust issue but our domain admins claim that's not true. Support is trying to push me down the path of turning off domain discover, but that's not where the problem lies nor makes any sense to me. Hopefully we can get to the bottom of this soon.
I have given delegate access to the Web server in active directory and attempted this as was recommended by someone else in answers. The white paper I read said this should be the only setup that is needed though it was written for IIS7 and WebAccess8. Both application pools are running as ApplicationPoolIdentity. Anonymous access is disabled in the virtual directories.
I am able to login with Kerberos from the machine with Web Access(ServerB) without issues using both a FQDN as well as just the hostname. When I attempt to login from the Laserfiche server I receive a 9013 error in WebAccess and a plain permission denied from Weblink. I have enabled Kerberos logging, and whenever an account is not allowed login, I get a KDC_ERR_BADOPTION error logged in event viewer shown as attached.
I think you'll want to do: "setspn -A http/ServerA ServerA" and "setspn -A http/ServerAFqdn ServerA", as long as you have enabled kernel-mode authentication. If you haven't read the white paper on configuring kerberos for Web Access you should take a look at it.
There are no HTTP SPNs registered on server A. What should I need to register for when running the server as localhost? I ask because we will need to involve their IT for this and would prefer to have a command in mind ahead of time. I think just SETSPN -R http/hostname would be right, but I would like confirmation ahead of time if possible.
We are pleased to announce the availability of early code relating to the porting of MIT Kerberos to the Android platform. This joint work was led by the team at yaSSL, and represents the first stages towards developing full support for the Android platform. We are seeking participation from the dev community. More >>
We are pleased to announce that Fidelity Investments has joined the MIT Kerberos Consortium as a Founding Sponsor, and will take a seat on our Executive Advisory Board along with Oracle, Red Hat, NTT, MIT and Microsoft. See a full list of our sponsors >>>
Since its founding in 2007, the consortium has enjoyed great success, establishing Kerberos as one of the Internet's standard security protocols and enhancing the MIT Kerberos reference implementation with thousands of improvements. With the ensuing scope expansion and associated rebranding as the MIT Kerberos and Internet Trust Consortium (KIT), the consortium has likewise seen success researching and championing new digital identity standards.
As these dual-streams of work have progressed, it has become clear that there is a need for changing how we organize our work around these two activities to provide greater focus on both the long-term maintenance of the widely used MIT Kerberos implementation and the exploration of up-and-coming research activities in the area of digital identity. To that end, we are pleased to announce the following updates:
Going forward, MIT will operate MIT Kerberos development and maintenance as an Institute-funded open source project and will no longer seek external funding for these activities. MIT will continue to publish releases of the MIT Kerberos distribution on a yearly basis, with discussion and contributions welcome via the kerb...@mit.edu and krb...@mit.edu mailing lists.
Research related to Internet Trust protocols and development will occur under the auspices of MIT's recently established Institute for Data, Systems, and Society (IDSS). IDSS will continue to seek sponsors looking to partner with MIT on developing frameworks and systems that address current challenges in Internet privacy and security, working closely with MIT faculty and students performing cutting-edge research in these areas.
Correspondingly, the MIT KIT name will be retired. Kerberos development activity will occur via the kerberos.org project, and the work of developing new frameworks and systems that address current challenges in Internet privacy and security will be coordinated via the soon-to-be-launched MIT Internet Trust Consortium ( ), in IDSS.
It is our hope that these changes will allow MIT's and the world's investment in Kerberos to continue to flourish in the future, while simultaneously paving the way for MIT and its industry partners to continue to lead the way in tackling new challenges in the areas of Internet privacy and security.
The web Server is a Windows 2003 server with IIS installed. I also installed Windows git extensions on this machine. The remote git URL looks like this : "https://[email protected]/team_folder/project.git".
On the web server, when I want to push something on a remote repository from the git bash, an openSSH popup is displayed and my Windows password is asked. If I enter the correct password, the push is performed. This is caused by the "askpass" configuration.
My question : we use kerberos for authentication, so is it possible to realize the push operation without asking the password to the user ? And how ?. I tried to configure putty but with no success for the moment (like I wrote, I'm not a specialist of authentication).
For now I use git-credential-winstore that I modified for not asking password (which is not usable on IIS server side). When git ask GCW to get password, it simply returns an empty password. So git ends with a return code 0 and my application ask the user for password, call GCW to store it and call git a second time to execute the command. It works but I'm pretty sure this is not the best solution.
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