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Re: Firefox HTTPS-only mode breaks sites that return 404 for HTTPS connections





On Wed, Apr 14, 2021, 11:57 PM Joe Pfeiffer <pfeiffer@cs.nmsu.edu> wrote:
Kenneth Parker <sea7kenp@gmail.com> writes:

> On Wed, Apr 14, 2021 at 10:16 PM Celejar <celejar@gmail.com> wrote:
>
>  On Wed, 14 Apr 2021 22:57:01 +0100
>  piorunz <piorunz@gmx.com> wrote:
>
>  > On 14/04/2021 17:19, Celejar wrote:
>  > > Hi,
>  > >
>  > > I recently switched to Firefox's native HTTPS-Only mode from the
>  > > HTTPS Everywhere extension, and I've just made the nasty discovery that
>  > > a bunch of links that had been returning 404, which I had been assuming
>  > > were dead links, were actually perfectly valid pages, which Firefox had
>  > > been "upgrading" to HTTPS, and then getting 404s from web servers that
>  > > weren't offering them via HTTPS (but still apparently accepting
>  > > connections via HTTPS). Clicking on the little lock icon and turning
>  > > HTTPS-Only mode off for the website doesn't seem to have any effect -
>  > > the only thing that lets me actually access these pages is turning off
>  > > HTTPS-Only mode via the general Settings page (or about:config).
>  > >
>  > > When the website doesn't offer HTTPS at all, then Firefox offers to
>  > > connect via HTTP, after a warning, and that's fine. But having pages
>  > > become completely inaccessible is intolerable - I now have to check
>  > > every 404 I get by turning off HTTPS-Only mode and seeing if the
>  > > page is actually there. Am I missing something here, or is HTTPS-Only
>  > > mode just badly broken?
>  >
>  > It certainly works fine for me. I use https only mode for many months
>  > now. Can you bring an example of a page which returns good page on http,
>  > but 404 error on https?
>
http://www.daat.ac.il/
https://www.daat.ac.il/
>
>  Celejar
>
> Indeed:  A "Universe Site" that I host on Linode doesn't use https.  So,
> https://eyeblinkuniverse.com   --   doesn't work:  "Problem loading page - Unable to connect"
> http://eyeblinkuniverse.com    --  Works properly on my version of Firefox:  Firefox 78.9.0esr (64-bit) on Debian Bullseye.
>
> Does this mean that I can look forward to this failure, when the new Firefox comes out?  Why can't people still make simple, text-based web
> pages that can be read to a Blind Person?  See, I don't do forms, data entry, or anything on my opening screens.  For that, it links to a
> Blogspot, which uses some of Google's Bells and Whistles.
>
> In other words, is this the end of the "Simple Web"?

https has nothing to do with "simple web" -- I term I don't remember
having seen before, but I like.  All the TLS negotiation is handled by
the web server and browser, and it's easy enough to set up with
letsencryupt that there's really no excuse for not doing it (says the
guy who hasn't gotten it set up yet for a shotgun club web site he
manages...  really need to do that...).

I use lighttpd for eyeblinkuniverse.com, with nano as my editor. I don't quite understand the Certificates required for https. I guess it is time for some lessons. 

Thanks! 

Kenneth Parker 

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