I also face the same problem, which forces me to download and install
manually the package instead of using the ELPA repo.

I would also appreciate a change in behavior of the webserver.


Thanks,

Roland.


On Wed, Mar 14, 2018 at 11:14 PM, Keshav Kini <keshav.kini@oracle.com>
wrote:

> Hi,
>
> This mail is about the Org ELPA repository, not Org itself.  Please
> let me know if I've mailed the wrong list.
>
> Inside my corporate network, I must connect to external hosts such as
> orgmode.org via an HTTP proxy.  Most programs on my machine are able
> to access both HTTP and HTTPS URLs through the proxy without any
> problem.
>
> However, it seems that Emacs's URL package, used by many Emacs tools
> including package.el, has been unable to properly establish HTTPS
> connections over an HTTP proxy for a long time:
>
>   https://debbugs.gnu.org/11788
>
> A patch which fixes this problem was written in 2015 by Tao Fang but
> is not currently present in any released Emacs version.  (It will be
> incorporated into Emacs 26, according to the NEWS.26 file in the Emacs
> development repository.)
>
> Meanwhile, the orgmode.org web server is currently responding to HTTPS
> requests with an HTTP 301 status, redirecting the client to the
> corresponding HTTPS URL, i.e. it tries to force the client to use
> HTTPS.  This is in contrast with a couple of other major ELPA
> repositories, MELPA and GNU ELPA:
>
> | $ curl -Is http://orgmode.org/elpa/archive-contents | head -1
> | HTTP/1.1 301 Moved Permanently
> | $ curl -Is http://melpa.org/packages/archive-contents | head -1
> | HTTP/1.1 200 OK
> | $ curl -Is http://elpa.gnu.org/packages/archive-contents | head -1
> | HTTP/1.1 200 OK
>
> This would seem to mean that anyone using an unpatched non-development
> version of Emacs today is unable to connect to the Org ELPA from
> behind an HTTP proxy.  I gather that this must be a recent change in
> behavior, because I have been able to download packages from the Org
> ELPA in the past without any trouble.
>
> Would it be possible for whoever maintains the orgmode.org web server
> to reconfigure it so that it responds to HTTP requests directly as it
> used to do, instead of redirecting to HTTPS?
>
> Thanks,
>     Keshav
>
>