It was found more than weeks before, I asked this question through IRC and
finally found it's GFW issue

the easiest way is to find a server outside China and use ssh tunnel
solution, at least it works for me and other colleagues here

ssh -N -f -L $server_in_US
then mapping to local host in /etc/hosts.

Best Regards!

Kevin (Chen) Ji 纪 晨

Engineer, zVM Development, CSTL
Notes: Chen CH Ji/China/IBM@IBMCN   Internet:
Phone: +86-10-82454158
Address: 3/F Ring Building, ZhongGuanCun Software Park, Haidian District,
Beijing 100193, PRC

From:   Matt Riedemann <>
Date:   09/09/2014 05:28 AM
Subject:        Re: [openstack-dev] China blocking access to OpenStack git
            review push

On 9/8/2014 2:20 PM, Thomas Goirand wrote:
> Am I dreaming, or is the Chinese government is trying to push for the
> cloud, they said. However, today, bad surprise:
> # nmap -p 29418
> Starting Nmap 6.00 ( ) at 2014-09-09 03:10 CST
> Nmap scan report for (
> Host is up (0.21s latency).
> 29418/tcp filtered unknown
> Oh dear ... not fun!
> FYI, this is from China Unicom (eg: CNC Group)
> I'm guessing that this is the Great Firewall of China awesome automated
> ban script which detected too many ssh connection to a weird port. It
> has blocked a few of my servers recently too, as it became a way too
> aggressive. I very much prefer to use my laptop to use git review than
> having to bounce around servers. :(
> Are their alternative IPs that I could use for
> Cheers,
> Thomas Goirand (zigo)
> P.S: If a Chinese official read this, an easy way to unlist (legitimate)
> servers access would be the first action any reasonable Chinese
> government people must do.
> _______________________________________________
> OpenStack-dev mailing list

Yeah the IBM DB2 third party CI is run from a team in China and they've
been blocked for a few weeks now.



Matt Riedemann

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