pam_radius_auth: simultaneous requests for improved failoverbehaviour

[Stefan Winter]

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Hi,

|> To my best knowledge there is no way for PAM modules to maintain state
|> between calls.
|
|   Maybe a proxy RADIUS server would help.  So long as it does nothing
| other than proxying, it should be OK.

yes, we have been considering that. We use PAM a lot though, for many
services. It felt wrong to install a real server while all we'd need was
a bit more clever client. Plus, having a multiude of servers would
introduce more maintenance needs - and an extra component that could
fail eventually. Introducing a new dependency for authentication to work
is just... uneasy.

Greetings,

Stefan
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