Changes in v3

Arran Cudbard-Bell a.cudbardb at
Tue May 7 17:43:42 CEST 2013

On 6 May 2013, at 18:07, Alan DeKok <aland at DEPLOYINGRADIUS.COM> wrote:

> A.L.M.Buxey at wrote:
>> just wondering what happends when our FR 3 server with all this goodness
>> and local configuration with massive attributes goes and sends such stuff to a 
>> pre 3.0 server or some other RADIUS server? 
>  Nothing.
>  RFC 6929 *allows* for longer attributes.  But since no one uses them,
> there's no issue.  And the format is designed to be transparent to
> legacy servers.  They just pass the attributes without looking at them.
>  RFC 6929 also has text about how to do RADIUS properly.  i.e. issues
> like the IAS nonsense with Operator-Name are now expressly forbidden.

And for other attributes they'll be truncated at 253 bytes at encode time.

Arran Cudbard-Bell <a.cudbardb at>
FreeRADIUS Development Team

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