Hello, I have a quick clarifying question regarding RFC8737 Section 3 <https://datatracker.ietf.org/doc/html/rfc8737#section-3>, step 3, which states:
The ACME server MUST provide an ALPN extension with the single protocol name "acme-tls/1" and an SNI extension containing only the domain name being validated during the TLS handshake. Does "with the single protocol name" mean that it should be considered an error if the ACME server offers more than a single supported protocol? Thanks! - Gabe
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