radiusd-cistron -- Cistron RADIUS daemon (with PAM)<hr>
<a href="http://www.radius.cistron.nl/">http://www.radius.cistron.nl/</a><hr>
RADIUS server with a lot of functions. Short overview:

- PAM support compiled in - Supports access based on huntgroups - Multiple
DEFAULT entries in users file - All users file entries can optionally
"fall through" - Caches all config files in-memory - Keeps a list of
logged in users (radutmp file) - "radwho" program can be installed as
"fingerd" - Logs both UNIX "wtmp" file format and RADIUS detail logfiles -
Supports Simultaneous-Use = X parameter. Yes, this means
  that you can now prevent double logins!
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