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Re: [OAUTH-WG] client certs and TLS Terminating Reverse Proxies (was Re: I-D Action: draft-ietf-oauth-jwt-introspection-response-08.txt)

Rifaat Shekh-Yusef <rifaat.ietf@gmail.com> Mon, 28 October 2019 18:51 UTC

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From: Rifaat Shekh-Yusef <rifaat.ietf@gmail.com>
Date: Mon, 28 Oct 2019 14:51:01 -0400
Message-ID: <CAGL6epKaFkOw=GaMxjSK90KxRmMsxrHe3og5704-2Ykq-aM5cg@mail.gmail.com>
To: "Salz, Rich" <rsalz@akamai.com>
Cc: Neil Madden <neil.madden@forgerock.com>, Brian Campbell <bcampbell=40pingidentity.com@dmarc.ietf.org>, oauth <oauth@ietf.org>
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Subject: Re: [OAUTH-WG] client certs and TLS Terminating Reverse Proxies (was Re: I-D Action: draft-ietf-oauth-jwt-introspection-response-08.txt)
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On Mon, Oct 28, 2019 at 12:48 PM Salz, Rich <rsalz@akamai.com> wrote:

> Sorry for jumping into this late.
>
>
>
> Client <--> proxy <--> backend
>
>
>
> The C/P side is protected by TLS.  There must be similar protection on the
> P/B side, such as client-cert, or a signature over the certificate being
> forwarded, right?
>

To avoid the misconfiguration issue Neil raised, you probably need both: a
client-cert *and* a signature over the certificate being forwarded,
This could still be achieve by extending RFC7239 with new parameter(s).

Regards,
 Rifaat




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