Radius acctstarttime

Oscar Jofre oscar at jofre.com
Sun Mar 25 00:34:38 CET 2018

Thanks Alan,


So just for clarify:


  So if both the NAS and FreeRADIUS use NTP for the correct time, they should have the same time.


In Taiwan’s NAS I have NTP and the NAS clock is 2018-03-25 07:29:16 am




And when a write on radius comes from that router it saves as 2018-03-25 00:29:16 am ... the time from the centos where is installed freeradius.


So if the NAS have an incorrect time (could not sync with NTP) will save an incorrect time on raddact ?






-----Mensaje original-----
De: Freeradius-Users <freeradius-users-bounces+oscar=jofre.com at lists.freeradius.org> En nombre de Alan DeKok
Enviado el: domingo, 25 de marzo de 2018 0:13
Para: FreeRadius users mailing list <freeradius-users at lists.freeradius.org>
Asunto: Re: Radius acctstarttime


On Mar 24, 2018, at 7:06 PM, Oscar Jofre < <mailto:oscar at jofre.com> oscar at jofre.com> wrote:

> I thought that acctstarttime was set according the date time from the 

> system where is installed freeradius (centos + mariadb for me)


  No.  Acct-Start-Time is sent by the NAS.  FreeRADIUS just writes it in the DB.


> But I've seen today some rows from today (according radacctid) with a 

> different time stamp (1970-04-13):


  Because the time on the NAS is wrong.


> I had an incorrect date on the mikrotik from the example, just the 

> same date that is on the database,




> so then I thought that the acctstartime comes from router clock.


  It comes from the NAS.


> but the routers I have In Taiwan with Taiwan clock don't save on 

> accstarttime the router clock, they still saving data according the 

> system where I have installed freeradius.


  The NAS sends the time to FreeRADIUS as a 32-bit number.  NOT as a printable string.  And there's no time zone information.  FreeRADIUS takes this time, converts it to a string, and writes it to the DB.


  So if both the NAS and FreeRADIUS use NTP for the correct time, they should have the same time.


  Alan DeKok.




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