[j-nsp] Funk RADIUS authorization

From: Stephen Gill (gillsr@yahoo.com)
Date: Mon Nov 05 2001 - 18:29:55 EST


All,
I have come across an interoperability issue (it seems) between Juniper
routers and Funk Steel-Belted RADIUS. When attempting to authenticate
from the router (JUNOS 5.0R2.4), only authentication functions properly
and the Funk server sends an accept packet to the client w/o attributes.
None of the three vendor specific attributes are returned to the client,
including: Juniper-Allow-Commands, Juniper-Deny-Commands, and
Juniper-Local-User-Name. A sniffer trace reveals that the request that
originates from JUNOS includes a "service-type" attribute with a value
of 8 (authenticate-only).

According to RFC2138, section 5.6, this means:

Authenticate Only: Only Authentication is requested, and no
authorization information needs to be returned in the Access-Accept
(typically used by proxy servers rather than the NAS itself).
[http://www.cis.ohio-state.edu/cgi-bin/rfc/rfc2138.html#sec-5.6]

Now, the question is, shouldn't the Juniper vendor specific RADIUS
attributes be treated as authorization information, and if so, shouldn't
the Juniper router be sending a request with a different "service-type"?

http://www.juniper.net/techpubs/software/junos50/swconfig50-getting-star
ted/html/sys-mgmt-authentication2.html

Comments?
-- steve

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