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Re: locked out of my debathena workstation

daemon@ATHENA.MIT.EDU (Alex Chernyakhovsky)
Sat Mar 14 15:50:55 2015

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Date: Sat, 14 Mar 2015 15:50:47 -0400
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From: Alex Chernyakhovsky <achernya@mit.edu>
To: Jonathan D Reed <jdreed@mit.edu>
Cc: Alexander Chernyakhovsky <achernya@mit.edu>,
        Alex T Prengel <alexp@mit.edu>,
        "release-team@mit.edu" <release-team@mit.edu>
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I'll probably find myself in W20 later today. I believe we still have
some beta officeheads in SIPB but I don't remember which ones.

-Alex

On Sat, Mar 14, 2015 at 3:46 PM, Jonathan D Reed <jdreed@mit.edu> wrote:
> Alex asked me about this on Friday, I checked his principal and it had rc4 and 3des but not DES.  And it's not a cluster machine so it shouldn't be reactivate.  Could be a one-off but I was hoping someone could verify other beta workstations (specifically, -workstation )were not affected.  I'm out of town and can't test.
>
> Sent from my mobile device
>
>> On Mar 14, 2015, at 12:35 PM, "Alex Chernyakhovsky" <achernya@mit.edu> wrote:
>>
>> Hi,
>>
>> On Friday, Ben Kaduk moved a new copy of kerberos-config to proposed.
>> I believe that will affect the beta workstations; the notable change
>> is that allow_weak_crypto got turned off. Is your Athena password by
>> any chance still using DES-only? That would explain these symptoms.
>>
>> Sincerely,
>> -Alex
>>
>>> On Sat, Mar 14, 2015 at 11:25 AM, Alex T Prengel <alexp@mit.edu> wrote:
>>> Hi,
>>>
>>> I'm suddenly unable to log into my desktop machine (dit.mit.edu), debathena
>>> workstation running Precise, since yesterday afternoon. I get
>>> "authentication failure" on a graphical login attempt, a ctrl-alt-f1
>>> terminal login attempt, and ssh attempts from other machines. I'm able to
>>> log into other Athena machines, both locally and by ssh without problems.
>>> I'm not sure if or when an update might have triggered this as I was logged
>>> into the machine continuously since last Monday.
>>>
>>> Has anyone else seen this on beta workstations?
>>>
>>>
>>> Alex


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