Alternative to ClientLogin for Google Apps authentication?

Arran Cudbard-Bell a.cudbardb at
Thu Apr 16 16:15:55 CEST 2015

> On 16 Apr 2015, at 15:13, Daniel Smith <danielesmith at> wrote:
> On Thu, Apr 16, 2015 at 9:46 AM, Herwin Weststrate
> <herwin at> wrote:
>> On 16-04-15 15:42, Arran Cudbard-Bell wrote:
>>> Don't bother with 2.1.12. If it still occurs in a more recent version, then run it
>>> under valgrind and/or gdb.
>> It's actually a known bug in 2.1.12, fixed with
>> Running single-threaded also prevents the problem.
> I would very much prefer to upgrade, however as of right now I don't
> have that option. Frustrating to say the least. ClientLogin is being
> deprecated this Monday, so I need to keep authentication going as a
> priority, then look at upgrades later.
> I just tried the -t option in our sandbox, and it runs perfectly. I
> googled around but couldn't find the implications of this - increased
> overhead? Or just slightly increased response time due to requests
> queueing up instead of executing concurrently? Right now we only
> service 20 or so requests per minute, so I'm not too concerned about
> performance.

Then it'll be fine, just run with -t.

It limits the server to processing one request at a time. It may not handle large spikes
in traffic well.


Arran Cudbard-Bell <a.cudbardb at>
FreeRADIUS development team

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