> It is conformant IF and only IF the user (not the CA) chooses to trust
> that responder.  If the CERTIFICATE issued by the issuer says to go to
> that responder for OCSP, but the responder's cert is not either
> a) the the issuer's cert, or
> b) a cert issued by the same issuer as the cert under test,
> then it is not conformant.  The RFC is very clear about that.

I still disagree. RFC 2560 does allow the responder to be under a
separate root as a 'trusted responder'. Naturally, no responder is
trusted by everyone, there are users who accept a certain responder
and
there are users who do not accept it. I don't think that a responder
is
not conformant according to RFC 2560 just because there are users who
do
not trust it.

> My recommendation for Microsec is to refrain
> from including the OCSP service URI if and until they can provide an
> OCSP responder which is usable with Firefox and other browsers (when
> relying on AIA extension).

I agree, our responder is not useful for most Mozilla users.

We shall remove the OCSP URL from the AIA field for webserver
certificates.

> I vote no on this proposal due to OCSP interoperability issues.

I think the removal of the OCSP URL should eliminate this problem.

Regards,

István

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