Relaying EAP packets with freeradius-client

Alan DeKok aland at
Tue Sep 12 11:53:36 UTC 2023

On Sep 12, 2023, at 4:07 AM, Simo Tappola <simo.tappola at> wrote:
> I re-read my original post and realised I may have given an impression that
> I am implementing the supplicant part, while in reality I am working on the
> NAS/authenticator. The supplicant(s) is/are just black boxes for now,
> although later it might be feasible to transfer also custom data from the
> authenticator to supplicants, which, in my admittedly limited
> understanding, should be possible with EAP. That's also why piggy-backing
> the EAP packets inside RADIUS frames seemed like a clever option. Wireshark
> also decoded the frames - including embedded EAP packets - correctly.

  That's good.

> Which library/component would be your recommendation in the authenticator
> device? I don't particularly *want* to write any code, but at least some
> amount of customization seems unavoidable.

  Again... hostap / wpa_supplicant.  It includes a full EAP client implementation, and a RADIUS client implementation.

  Alan DeKok.

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