nanog mailing list archives

Re: Network Access to and from China Mainland


From: Hugo Slabbert <hugo () slabnet com>
Date: Fri, 16 Dec 2016 08:47:15 -0800


On Fri 2016-Dec-16 08:57:46 +0100, patrick () pahem de <patrick () pahem de> wrote:

Hello,

I have a customer based in Europe which have a subsidiary in China (Mainland) and also do a lot of businesses with China 
(Mainland). Lately the customer have a lot of issues with accessing websites which are hosted outside China from the 
subsidiary in China and sees also a lot of delivery problems with emails send to China. The SMTP-Gateway is located in 
Germany and in the logs we can see timeouts during the connection to the STMP servers in China (Mainland). I suspect that 
the Chinese Firewall has changed it's behaviour. Have anyone else currently similar issues with communication to and 
from China?

We gave up on fighting the GFW and got dedicated links between NA and locations in China. No complaints so far.

Thanks,
Patrick

--
Hugo Slabbert       | email, xmpp/jabber: hugo () slabnet com
pgp key: B178313E   | also on Signal

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