Access-Reject - User not found during EAP-AKA

Jouni Malinen j
Thu Jun 18 01:30:27 PDT 2015


On Wed, Jun 17, 2015 at 06:09:36PM -0700, Premraj Sundaram wrote:
> I am trying to perform EAP-AKA for the IMSI mentioned as an example along
> with hostapd install.

> Run ./hostapd hostapd.conf

> From Radius client, I try to sent the IMSI 232010000000000 for
> Access-Request.
> However, the response is always ACCESS-REJECT as hostapd is not able to
> find the user in its database.

Do you have the EAP-AKA prefixes configured in the EAP user file like
they are in the hostapd/hostapd.eap_user example?

# Default to EAP-SIM and EAP-AKA based on fixed identity prefixes
"0"*            AKA,TTLS,TLS,PEAP,SIM
"1"*            SIM,TTLS,TLS,PEAP,AKA
"2"*            AKA,TTLS,TLS,PEAP,SIM
"3"*            SIM,TTLS,TLS,PEAP,AKA
"4"*            AKA,TTLS,TLS,PEAP,SIM
"5"*            SIM,TTLS,TLS,PEAP,AKA
"6"*            AKA'
"7"*            AKA'
"8"*            AKA'

>    Attribute 31 (Calling-Station-Id) length=17
>       Value: '232010000000000'

That looks a bit suspicious..

> EAP-Identity: Peer identity - hexdump_ascii(len=16):
>      30 32 33 32 30 31 30 30 30 30 30 30 30 30 30 30   0232010000000000
> RADIUS SRV: [0x2 127.0.0.1] EAP: EAP-Response/Identity '0232010000000000'

Why does the NAS (AP?) use different value in User-Name attribute (i.e.,
the first '0' is missing there)?

-- 
Jouni Malinen                                            PGP id EFC895FA



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