Fwd: Checksum SHA256 does not match when downloading ubuntu 18.04.2 at Vietnam server

[Steve Langasek]

Dear Hồ Trung Dũng,

We have received reports of corruption on the Ubuntu CD Image mirror that
you operate, <http://mirrors.nhanhoa.com/ubuntu-releases/>.  The Ubuntu
18.04.2 desktop image that you are serving does not match the checksums of
the release image.

On Tue, Apr 09, 2019 at 03:16:40PM +0100, Peter Mahnke wrote:
> hi, is this for you guys to look at?

I've looked into this and:

 - The files on the cdimage master server match the checksum files (both
   desktop and server).
 - The files I get when I download from releases.ubuntu.com match the
   checksum files.
 - The file that I get when I download
   http://mirrors.nhanhoa.com/ubuntu-releases/18.04.2/ubuntu-18.04.2-desktop-amd64.iso
   does NOT MATCH the checksum file.

I have manually taken
https://launchpad.net/ubuntu/+mirror/mirrors.nhanhoa.com-release/ off the
list of official mirrors for now due to this.  Hồ Trung, can you please look
into this issue and let us know when it has been resolved?

> ---------- Forwarded message ---------
> From: Anthony Dillon <anthony.dillon at canonical.com>
> Date: Tue, 9 Apr 2019 at 13:14
> Subject: Fwd: Checksum SHA256 does not match when downloading ubuntu
> 18.04.2 at Vietnam server
> To: Peter Mahnke <peter.mahnke at canonical.com>
> 
> 
> Who would be best to look into this? IS or the release team?
> 
> ---------- Forwarded message ---------
> From: san vu <sanvanvu at gmail.com>
> Date: Tue, Apr 9, 2019 at 1:04 PM
> Subject: Checksum SHA256 does not match when downloading ubuntu 18.04.2 at
> Vietnam server
> To: <webmaster at ubuntu.com>
> 
> 
> Dear Ubuntu Team,
> 
> I am from Vietnam, I downloaded Ubuntu 18.04.2 today on your homepage.
> Server mirrors.nhanhoa.com, however, after checking the Checksum SHA256 of
> the downloaded file does not match the code you provided at the link
> http://releases.ubuntu.com/18.04.2/SHA256SUMS
> 
> There is no problem with files downloaded from mirrors.nhanhoa.com server
> in Vietnam.
> 
> Look forward to hearing from you soon
> 
> Best regards
> 
> 
> -- 
> Peter Mahnke
> VP, Web & Design
> 
> Canonical
> 0796 108 4362
> peter.mahnke at canonical.com

Thanks,
-- 
Steve Langasek                   Give me a lever long enough and a Free OS
Debian Developer                   to set it on, and I can move the world.
Ubuntu Developer                                   https://www.debian.org/
slangasek at ubuntu.com                                     vorlon at debian.org
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