Hi, On Wed, Dec 14, 2022 at 01:58:11PM +0100, Bogdan Rudas wrote: > We mind RADIUS for MFA and password checks. Having RADIUS just checking > password+OTP via external MFA works, however any time spent in RADIUS > communication for one client session means the traffic to other clients is > stuck, that is why I was asking 'what plugin is good'. I wonder if the PAM > plugin is really asynchronous by default.
plugin-auth-pam can run sync or async. Part of my test suite is "run this
with a non-responding radius server (15s timeout)" so I can attest "yes,
this is very well tested in async/deferred mode".
> Besides OTP, there are MFA mobile
> applications that require users to press a button on their smartphone for
> confirmation. In such cases RADIUS will reply when a user pressed the
> button and thus the entire OpenVPN instance will be stuck for an even
> longer time.
I understand. I've been there, which is why I added async/deferred handling
to plugin-auth-pam :-)
gert
--
"If was one thing all people took for granted, was conviction that if you
feed honest figures into a computer, honest figures come out. Never doubted
it myself till I met a computer with a sense of humor."
Robert A. Heinlein, The Moon is a Harsh Mistress
Gert Doering - Munich, Germany g...@greenie.muc.de
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