From: igor@9lab.org
To: 9front@9front.org
Cc: igor@9lab.org
Subject: Re: [9front] [PATCH] libsec, pushtls, tlssrv: add support for Server Name Indication (SNI) extension
Date: Fri, 26 Jan 2024 08:21:20 +0100 [thread overview]
Message-ID: <5808F08EC2EEA3FAA43D228E8805BA23@9lab.org> (raw)
In-Reply-To: <DBC3402753C09477A508BE6DFBE35B09@felloff.net>
Quoth cinap_lenrek@felloff.net:
[…]
> i see the following options:
>
> 1) new tlsServerX() function with a callback that returns the certificate
> for a given server-name.
> 2) new tlsServerY() function that lets you pass multiple certificates.
> 3) we keep tlsServer() as it is and require the user to get a multi-domain
> certificate (just has multiple subjects).
>
> for cases 1 and 2 we need to think how that would be handled by the
> server in question (what i said about passing multiple -c arguments).
This reiteration was indeed helpful in clearing up the proposal!
> > Ok. I have to admit I am not entirely sure what you mean by 'expose
> > the effective server name (like putenv() in tlssrv)'. Do you mean
> > there is an env variable we ought to set before calling say tcp80 or
> > rc-httpd that provides the effective server name tlssrv parsed via
> > SNI?
>
> yes, exactly. the service should get the effective domain negotiated
> from the handshake. the whole reason this SNI complication exist is that
> people ran out of ipv4 addresses and start sharing a single service
> port with dozens of different domains. pushing all that muxing into
> the application layer that the ip layer would normally handle. for
> that muxing to be effective, the service then needs to know what
> domain/serverName it is.
Thanks for elucidating this point; the penny finally dropped on my
end ☺
Cheers,
Igor
prev parent reply other threads:[~2024-01-26 7:23 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-25 11:32 igor
2024-01-25 12:11 ` cinap_lenrek
2024-01-25 12:51 ` igor
2024-01-25 15:14 ` cinap_lenrek
2024-01-26 7:21 ` igor [this message]
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