unable to access imslp.org in China

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Jiangyou
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unable to access imslp.org in China

Postby Jiangyou » Fri Aug 18, 2017 3:45 pm

Currently, I cannot access imslp.org in mainland China.
Imslp.org (167.114.174.133) seems to redirect to cn.imslp.org (110.10.178.181). And 167.114.174.133 is available while 110.10.178.181 not.

Here is the output of ping
=============================
$ ping imslp.org
-------------------
Pinging imslp.org [167.114.174.133] with 32 bytes of data:
Reply from 167.114.174.133: bytes=32 time=356ms TTL=42
Request timed out.
Reply from 167.114.174.133: bytes=32 time=337ms TTL=42
Reply from 167.114.174.133: bytes=32 time=352ms TTL=42

Ping statistics for 167.114.174.133:
Packets: Sent = 4, Received = 3, Lost = 1 (25% loss),
Approximate round trip times in milli-seconds:
Minimum = 337ms, Maximum = 356ms, Average = 348ms
=============================
$ ping cn.imslp.org
-------------------
Pinging cn.imslp.org [110.10.178.181] with 32 bytes of data:
Request timed out.
Request timed out.
Request timed out.
Request timed out.

Ping statistics for 110.10.178.181:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),

Jiangyou
Posts: 3
Joined: Fri Aug 18, 2017 3:27 pm
notabot: 42
notabot2: Human

Re: unable to access imslp.org in China

Postby Jiangyou » Mon Aug 21, 2017 3:57 am

I just wonder the reason. Is it the censorship of China government or the breakdown of imslp server?
I can access imslp only through vpn or proxy.

Choralia
Site Admin
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Re: unable to access imslp.org in China

Postby Choralia » Mon Aug 21, 2017 7:15 am

Jiangyou wrote:Imslp.org (167.114.174.133) seems to redirect to cn.imslp.org (110.10.178.181)

Actually cn.imslp.org seems resolved to 103.25.60.97 everywhere in the world, including mainland China, not to 110.10.178.181:

cn.imslp.org.png
cn.imslp.org.png (28.82 KiB) Viewed 706 times

IP address 110.10.178.181 is actually allocated to South Korea indeed, while 103.25.60.97 is allocated to Hong Kong, and apparently it works.

So, I think it's strange that you get cn.imslp.org resolved to 110.10.178.181. This is probably to be corrected somehow.

Max

imslp
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Re: unable to access imslp.org in China

Postby imslp » Mon Aug 21, 2017 9:53 pm

We were having trouble with the South Korean server, so switched over to HK about a day or two ago. Some of the DNS caches may not have refreshed (apparently DNS servers in China commonly ignore the TTL).

Jiangyou
Posts: 3
Joined: Fri Aug 18, 2017 3:27 pm
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Re: unable to access imslp.org in China

Postby Jiangyou » Tue Aug 22, 2017 9:03 am

It works well for me now. Thank you all. :D


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