avoid accounting of identical requests

[Marinko Tarlac]

If you're using database for storing account informations, you should 
set unique attribute for AcctUniqueId field.

Raffael Himmelreich wrote:
> Hi,
>
> we're encountering that our radius clients - who don't send anything but
> access requests and session stop packets with accounting info - 
> repeatedly
> send the same accounting stop request multiple times.
>
> We tried to filter those requests with increasing both the cleanup_delay
> and max_requests configuration settings, but were not really successful.
>
> Looks like the cleanup_delay counter is not effective per request's
> unique id but for all requests received so far. Are we misinterpreting 
> the
> cleanup_delay setting?
>
> Is there any fast and reliable method built into freeradius to reject
> multiple identical accounting requests, or do you have any better
> suggestions?
>
> freeradius: FreeRADIUS Version 2.0.4, for host x86_64-pc-linux-gnu
> (Debian package)
>
> Thanks a lot
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