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[quicwg/base-drafts] Soften SNI requirement (#1459)

Martin Thomson <notifications@github.com> Tue, 19 June 2018 05:33 UTC

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From: Martin Thomson <notifications@github.com>
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Subject: [quicwg/base-drafts] Soften SNI requirement (#1459)
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hq mandates use of the server_name extension rather too strongly.  

> The Server Name Indication (SNI) extension [RFC6066] MUST be included in the TLS handshake.

RFC 7540 is much weaker on this point.

> The TLS implementation MUST support the Server Name Indication (SNI) [TLS-EXT] extension to TLS.  HTTP/2 clients MUST indicate the target domain name when negotiating TLS.

If we are to allow SNI encryption, then we should adopt similar language.

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