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Re: WG Review: Keys In DNS (kidns)

2010-10-26 15:05:32
"Jeffrey A. Williams" <jwkckid1(_at_)ix(_dot_)netcom(_dot_)com> writes:

I object to that limitation.  I believe it is important that any
solution in this space supports different certificates for different
ports/protocols on the same host.

  Whynot have both.  One being a shared cert as acceptable and the
option of one for each?

My experience with how protocols are deployed is that it is common for
both web (HTTPS) and e-mail (SMTP with STARTTLS) to be hosted on the
same domain name but with different certificates.

For example, the host "lists.debian.org" is reachable with HTTPS (with a
matching certificate) and also through SMTP with STARTTLS (also with a
matching certificate).  The services are using different certificates!

  i see nothing wrong with this and conversly nothing wrong with both
using a shared cert for each.

Good point -- let me clarify that I believe it should be up to each
administrator to decide whether to use one certificate for multiple
services or use one certificate per service.  A standard in this area
should not rule out one alternative.  Both alternatives are too common
for that.

/Simon
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