(RADIATOR) Duplicate Logins

[Mariano Absatz]

El 15 May 2001, a las 11:29, Ingvar Berg (EIP) escribió:

> [See inserted comment]
> 
> -----Original Message-----
> From: Hugh Irvine [mailto:hugh at open.com.au]
> Sent: den 12 maj 2001 10:33
> To: Anton Krall; radiator at open.com.au
> Subject: Re: (RADIATOR) Duplicate Logins
> 
> 
> 
> Hello Anton -
> 
> The reason Radiator does a delete when it receives an access request is 
> because an accounting stop may have gone missing. Note that the delete is 
> done on the NAS and NAS=Port combination reported in the request, because by 
> definition there cannot already be a session there.
> 
> <IngBe>  But then again there are clients that don't have physical
> ports, how do you handle that case? I.e. the port number might be
> constant (0) or just some internal ref number used by the client. 
> </IngBe>
In fact, you should check your NAS documentation or, if not available (as 
is my case), do a bunch of different authentications with radiator in 
trace 4.

For instance, Nortel's Shasta (my dearly behated enemy) didn't have a NAS-
Port... in a recent version they added NAS-Port-Id (it's a string, not a 
number) that, in fact, is unique (so it's no good for the automatic 
deletion of stale sessions), but does the job of not deleting any session 
'cause NAS-Port is 0 or nonexistent.

The Shasta also sends the Acct-Session-Id with the Access-Request packet, 
so you can also use it (in fact, it's the one I'm using). I guess any 
tunnel terminator is probably able to send you the Acct-Session-Id with 
the Access-Request packet besides sending it with every accounting packet.

> 
> Notice that your second request is the same as the first, so the first record 
> is deleted, hence the second request is accepted. If you want to test 
> simultaneous use you will have to use different values in your requests.
> 
> This topic has been discussed *many* times, so don't forget to check the 
> mailing list archive at www.starport.net/~radiator and do a search.
> 
> regards
> 
> Hugh
> ===
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