Disconnect idle user

[Alan DeKok]

Yevgeny Kosarzhevsky wrote:
> Hi,
> 
> I am using pppd on linux nas. The client has connected, then after some
> time freeradius server has disappered on the network because of
> connection issue. The user disconnected when it was still down. Then,
> after freeradius came up the user wasn't able to login anymore because
> of simultaneous login check with error 691 on windows. Radius was
> reporting Reply-Message := "\r\nYou are already logged in - access
> denied\r\n\n"
> 
> How to make radius stop thinking the user is connected (like if no
> Acct-Interim-Update messages received in specified time).

  Store the sessions in a database, and run a "cron" job to clean up
stale sessions.

  Alan DeKok.