Re: Must use 'Attr-26 = ...' instead of 'Vendor-Specific = ...' even when setting explicitly Attr-26 (or vendor data type)

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On Apr 24, 2026, at 6:06=E2=80=AFAM, Francesco Di Nucci =
<[email protected]> wrote:
> I am using FreeRADIUS 3.0.27 on EL9, and I'm trying to set a Vendor =
Attribute in replies.
>=20
> For context, I am trying to authenticate SuperMicro BMCs with LDAP =
(see thread =
https://lists.freeradius.org/pipermail/freeradius-users/2018-March/091085.=
html)
>=20
> So in my enabled site I edited the post-auth section
>=20
> post-auth {
>     update {
>         reply:Attr-26 :=3D "0x483D342C20493D34"

  That's a double quoted string.  The "0x" text is part of the string.

> This results in "Cannot parse RHS hex as the data type of the =
attribute Vendor-Specific"

  Exactly it can't parse it as hex, because it's not hex.  It's a double =
quoted string.



> As it's missing Vendor ID, I tried to add it. Super Micro PEN on IANA =
is 10876, so full vendor attribute should be =
1A1200002A7C483D342C20493D34 if I am correct:
>=20
> post-auth {
>     update {
>         reply:Attr-26 :=3D "1A1200002A7C483D342C20493D34"

  Drop the quotes.  Use:

	reply:Attr-26 :=3D 0x1A1200002A7C483D342C20493D34

  The server has tests for this, so it should work.

  Alan DeKok.


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