Hi all,

As recommended by the chairs at IETF109, bring the two open items to the list 
for discussion. These were raised by Felipe and Ryan previously.

1: Does the client need a mechanism to indicate that they want to authorize a 
parent domain and not the explicit subdomain identifier? Or a mechanism to 
indicate that they are happy to authorize against a choice of identifiers?

E.g. for foo1.foo2.bar.example.com, should the client be able to specify 
anywhere from 1 to 4 identifiers they are willing to fulfil challenges for?

2: Does the server need a mechanism to provide a choice of identifiers to the 
client and let the client chose which challenge to fulfil?

E.g. for foo1.foo2.bar.example.com, should the server be able to specify 
anywhere from 1 to 4 identifiers that the client can pick from to fulfil?

Both 1 and 2 require JSON object definition changes. Currently, the document 
only defines how a client can submit a newOrder / newAuthz for a subdomain, and 
the server can chose any one parent identifier that it requires a challenge 
fulfilment on

Owen

https://datatracker.ietf.org/meeting/109/materials/slides-109-acme-subdomains-01

https://tools.ietf.org/html/draft-friel-acme-subdomains-03#section-4

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