Summary
We have learned a lot in this chapter about accounting in FreeRADIUS. Specifically, we have covered:
- Basic accounting: We have learned that accounting is separate from authentication and authorization and runs on port 1813. It consists of the client sending
Accounting-Request
packets and the server replying withAccounting-Response
packets. TheAcct-Status-Type
AVP inside anAccounting-Request
can have a value ofStart
,Stop
,Interim-Update
,Accounting-Off
orAccounting-On
. - Rogue accounting data: These are also known as orphan sessions and happen when the FreeRADIUS server's accounting data does not reflect the activities on the NAS. The
radzap
command helps us to control these data. - Simultaneous sessions: There can be a limit to the simultaneous ...
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