W3C home > Mailing lists > Public > public-webappsec@w3.org > June 2015

UPGRADE: 'HTTPS' header causing compatibility issues.

From: Mike West <mkwst@google.com>
Date: Tue, 30 Jun 2015 09:36:50 +0200
Message-ID: <CAKXHy=c1UYXB_kpFXTL1dsWLMR8+iaNpiUpJnEbf=H0dr5SJeA@mail.gmail.com>
To: "public-webappsec@w3.org" <public-webappsec@w3.org>
Chrome 44 sends an `HTTPS: 1` header, as specced at
https://w3c.github.io/webappsec/specs/upgrade/#preference. It looks like
this is causing issues with some folks' servers. These are the bugs I've
seen reported so far:

* https://crbug.com/501095
* https://crbug.com/501842
* https://crbug.com/504357

My vague guess is that some configurations set internal variables based on
header names (e.g. `HTTPS: 1` => `$HTTPS == 1`), which is confusing the
poor programs.

With this in mind, I think it might be advisable to change the header name,
which means diving back into the bikeshed of
https://github.com/w3c/webappsec/issues/216. Think we can agree on a name
this week?

If we can't, I'll run with `TLS: 1` by royal fiat. :)

Mike West <mkwst@google.com>, @mikewest

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Received on Tuesday, 30 June 2015 07:37:38 UTC

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