Re: (ASCEND) Multiple logins?

[Tim Basher <basher@ces.cwru.edu>]

> Is there a way to prevent multiple logins with same RADIUS profile on
> DIFFERENT MAX/TNT boxes?  Shared-Profile=no would work only if the logins
> occur on the same box.

This topic has been frequently discussed in the past.  I would recommend
you do a search of the Ascend Users Mailing List using the Nexial Systems
archive.

<http://www.nexial.com/mailinglists/>

This capability is not a NAS feature, it is a RADIUS server feature.
There are a number of RADIUS servers, both commercial and free that
have the ability to prevent multiple logins or to set specific limits
per login.

Here are some examples:

  Can RadiusNT be used to limit the number of concurrent logins by a user?

  Yes. In ODBC mode, RadiusNT uses concurrency control to limit the number
  of login sessions a user can have at any given time.

<http://www.emerald.iea.com/radiusnt/faqs.html>

  MacRADIUS Authentication Server v1.1 is now available. It includes
  substantial new features, including an option to limit user accounts to
  one session at a time, support for passwords longer than 16 characters,
  support of Proxy-State, and several new Apple events to allow remote
  creation, deletion, renaming, and group assignment of user accounts.

<http://www.cyno.com/>

  Access Control includes radstated, a daemon that tracks the states of
  user connections, enabling you to limit the sumultaneous connections
  users can make. The RADIUS daemon contacts radstated before accepting
  a user whose profile includes the Simultaneous-Use attribute. This
  attribute's value equals the user's maximum number of simultaneous
  connections.

<ftp://ftp.ascend.com/pub/Software-Releases/Access-Control/Current/doc/racc.pdf>

  Cistron RADIUS server, version 1.5.4.3-beta10
  ...
  Supports Simultaneous-Use = X parameter. Yes, this means that you can
  now prevent double logins! 

<http://homepage.cistron.nl/~miquels/radius/>
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