Raffael Himmelreich wrote:
> 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.

  Find out why, and fix it.  It's usually because the accounting shared
secret is wrong, OR the client doesn't like the response from the server.

> We tried to filter those requests with increasing both the cleanup_delay
> and max_requests configuration settings, but were not really successful.

  Those won't help.  They control the *server* behavior, not the
*client* behavior.

> Is there any fast and reliable method built into freeradius to reject
> multiple identical accounting requests, or do you have any better
> suggestions?

  Find out why the client is sending multiple packets, and fix it.

  Alan DeKok.
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