openSUSE admin

TL;DR:

https://ftp.kddilabs.jp redirects to http://ftp-srv2.kddilabs.jp which is a protocol downgrade.

Please contact the mirror admin to get this fixed.

Long version:

This was originally reported by Andrei Borzenkov on the support mailinglist. The relevant part of the mail is:

It is not zypper, nor is it opensuse infrastructure.

bor@bor-Latitude-E5450:~$ curl -IL
https://mirrorcache-eu.opensuse.org/debug/tumbleweed/repo/oss/repodata/1c92b1536363bed4d5cc8f1d8d54becf1105301e326033601cf10168a300da41-primary.xml.gz
HTTP/2 302
content-length: 0
date: Fri, 22 Jul 2022 19:52:06 GMT
location:
https://ftp.kddilabs.jp/Linux/packages/opensuse/debug/tumbleweed/repo/oss/repodata/1c92b1536363bed4d5cc8f1d8d54becf1105301e326033601cf10168a300da41-primary.xml.gz
x-frame-options: SAMEORIGIN
x-xss-protection: 1; mode=block
x-content-type-options: nosniff
referrer-policy: no-referrer-when-downgrade
strict-transport-security: max-age=15768000

HTTP/1.1 302 Found
Date: Fri, 22 Jul 2022 19:52:08 GMT
Server: Apache/2.4.46 (Unix) OpenSSL/1.0.1e-fips
Location:
http://ftp-srv2.kddilabs.jp/Linux/packages/opensuse/debug/tumbleweed/repo/oss/repodata/1c92b1536363bed4d5cc8f1d8d54becf1105301e326033601cf10168a300da41-primary.xml.gz
Content-Type: text/html; charset=iso-8859-1

HTTP/1.1 200 OK
Date: Fri, 22 Jul 2022 19:52:09 GMT
Server: Apache/2.4.46 (Unix) OpenSSL/1.0.1e-fips
Last-Modified: Wed, 20 Jul 2022 00:04:27 GMT
ETag: "977ab4-5e431582678c0"
Accept-Ranges: bytes
Content-Length: 9927348
Content-Type: application/x-gzip

bor@bor-Latitude-E5450:~$

So it is mirror itself that redirects from https to http.