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ZenBalancer|Post time:4-30-2017 10:19:34 View:694|Reply:28

ZenBalancer| Post time 4-26-2017 10:53:24 | Show all posts
Edited by ZenBalancer at 4-26-2017 19:55

Has there been anyone else experiencing DNS lookup problems continually in the last 6 hours, and only for the Chuwi.com domain including the forum? Was there a DNS blocking mechanism?

I tried so many VPNs and proxies, until I used a "browser identity blocking" before that I always got no DNS record lookup. And now after I just tried that, it works with my regular browser as well as my IP. I don't think there is a correlation.

But the DNS lookup issue was not isolated to a single DNS server, but it only affected Chuwi.com compared to all other sites I use.

Did anyone experience anything like this in the past or especially today? Was there any unreachable forum issues?

Edit: clarity.
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Hackerjac| Post time 4-26-2017 12:26:18 | Show all posts
ZenBalancer replied at 4-26-2017 20:53
Has there been anyone else experiencing DNS lookup problems continually in the last 6 hours, and onl ...

Yep, have been a problem all day long, funny enough the Chineese site incl forum works without any probs, but not the English, at the moment i can only connect using my VPN with Russian IP
I do NOT work for Chuwi. Please DO NOT pm or email me with problems you may have!
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ZenBalancer| Post time 4-26-2017 13:57:19 | Show all posts
Edited by ZenBalancer at 4-27-2017 03:09
Hackerjac replied at 4-26-2017 21:26
Yep, have been a problem all day long, funny enough the Chineese site incl forum works without any ...

Thanks for the feedback! Because I got paranoid as F-word! I thought the Chuwi admin was offended by me..

Are the forum server etc.. technical problems, a symptom of an attack? Now I'm thinking the following.


  • Has anyone misinterpreted my joke with doodzilla in his Hi13 Subforum, Moderator Notice thread?
  • Is this a random outraged Chuwi buyer gone wrong by "retaliation"?
  • Is it a competitor or a "rogue employee" of a competitor of Chuwi hiring someone to do this?
  • Is this not economically motivated, instead politically motivated?
  • Or is this simply a fluke problem that only recently happened for the first time because of the continual growth and activity of the forum user base?
  • Or is this a security measure update in the much broader Chinese infrastructure gone wrong?
  • Or is this a Chuwi security measure gone wrong?
  • Are we sure this is not the Chuwi admin gone delusional and wanting to put the fear of a true Administrator in us, not just that of a Moderator? Edit: Now that I read what I was paranoid about alone, it sounds quite far fetched and illogical. /Edit.

But aside who or what could have cause it, what happened exactly in terms of technical mechanism? Was it DNS server issue that Chuwi's DNS record was dependant on? Or did the forum server keep sending empty responses to the DNS server for each lookup resulting in unintended "phantom" domain DNS "attack"? Is there DNS adaptive filtering (specialized AI or Machine learning) that could have gone wrong?

I did not structure this issue well, my brain is tired, I'm "too old for this stuff".

Edit: clarity + addition.
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Motobot| Post time 4-26-2017 15:15:00 | Show all posts
I had to write the address 23.234.9.152 in Host to get access to this forum.
  1. 23.234.9.152 forum.chuwi.com
Copy the Code


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Motobot| Post time 4-26-2017 15:48:40 | Show all posts
This forum web page is not available because the DNS lookup failed. You can wait for one or two day, but better try to fix it. So here I show you the way to fix this problem in Windows.
1. Open the folder
C:\Windows\System32\drivers\etc
2. Copy Host file in Desktop
3. Run Host file in Notepad and add this line in the end
  1. 23.234.9.152 forum.chuwi.com
Copy the Code

4. Close Notepad and save
5. Copy Host file back to the folder
C:\Windows\System32\drivers\etc
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ZenBalancer| Post time 4-26-2017 17:48:45 | Show all posts
Motobot replied at 4-27-2017 00:48
This forum web page is not available because the DNS lookup failed. You can wait for one or two day, ...

Not everyone uses Windows to access the forum, but a bigger issue was that even using that IP directly, access was denied, and the forum.php url with that IP didn't work either. The DNS might not have been the root cause of the problem, but a symptom of how the forum sever is or was behaving. See "phantom" domain DNS attacks, that might be accidental because of empty or no responses from the Chuwi servers to the DNS servers. That's my guess, because I've had empty responses back to my browser in the past a number of times. On Windows more often. So the Chuwi servers might be the root cause of the DNS lookup failure.
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ZenBalancer| Post time 4-26-2017 19:15:31 From the mobile phone | Show all posts
Emily said the forum will work normally now, since some time ago.
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Motobot| Post time 4-26-2017 19:16:04 | Show all posts
Edited by Motobot at 4-27-2017 06:19

As we Russians says. Cutlets separately, flies separately. So do not mix two different problems.
The reason for the failure of access to the Chuwi forum today in updating the DNS servers cache of your ISPs.
Just wait for 24 hours or do as I command.

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ZenBalancer| Post time 4-27-2017 05:18:33 | Show all posts
Edited by ZenBalancer at 4-27-2017 14:31
Motobot replied at 4-27-2017 04:16
As we Russians says. Cutlets separately, flies separately. So do not mix two different problems.
...

But I used VPNs so those wouldn't use my ISP DNS. You mean all DNS servers were affected correct? Edit: Except for a number of Russian ones, at least the DNS server the VPN provider Hackerjac used, if not coincidental, because the forum lookup worked sometimes with my own ISP DNS as well. /Edit.

Command

Kinda harsh, you mean to do as you instructed on Windows or differently for other platforms, if the problems persist or happens again. Because we're not your army nor robots nor bots, etc.. to command.

Edit: I think the exact original meaning is lost in translation.

Edits: clarity.
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ZenBalancer| Post time 4-30-2017 10:19:34 | Show all posts
Can anyone confirm, that this DNS lookup issue that happened a number of days ago, can anyone confirm that this has happened in the past specifically affecting only the chuwi.com domain and subdomains exactly as happened recently?

How many times?

Thank you in advance for your feedback.
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