[squid-users] How to use Radius & Squid to make per-user traffic statistic

[Small Bird]

Hi~I have a proxy with Radius and Squid, but I cannot find the way to make per-user traffic statistic.
I want to get the network traffic of a specific user when he or she get disconnected, and post the log to database server.
Please tell me how to do >.<


Thanks.
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