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Re: [Masque] Call for MASQUE use cases

Lucas Pardue <lucaspardue.24.7@gmail.com> Thu, 05 March 2020 14:19 UTC

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From: Lucas Pardue <lucaspardue.24.7@gmail.com>
Date: Thu, 05 Mar 2020 14:19:04 +0000
Message-ID: <CALGR9oaxe54kPPMpsMWuoMiKDznHoyhTLHwmxJeTXdu-zh_xUg@mail.gmail.com>
To: Dragana Damjanovic <dragana.damjano@gmail.com>
Cc: Ben Schwartz <bemasc=40google.com@dmarc.ietf.org>, Eric Rescorla <ekr@rtfm.com>, MASQUE <masque@ietf.org>, Spencer Dawkins at IETF <spencerdawkins.ietf@gmail.com>, Christopher Wood <caw@heapingbits.net>
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Subject: Re: [Masque] Call for MASQUE use cases
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On Thu, Mar 5, 2020 at 2:05 PM Dragana Damjanovic <dragana.damjano@gmail.com>
wrote:

>
> I was looking into implementing sending an IP address in CONNECT request
> to a proxy instead of host name. It is not easy to figure out if connect
> should be retried with another IP address.. Having better error codes would
> be helpful.
>
> dragana
>

That's an interesting case. IIUC correctly, your client might ask the proxy
to use IPv6, which could fail, and your client might then try IPv4?

A failure such as this today would be communicated by returning an HTTP
error status. Is there a gap that mean HTTP cannot be used to communicate
the specific error condition you describe?

Cheers
Lucas


>

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