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Cloudflare blocked Chinese IP address?
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Cloudflare blocked Chinese IP address?

WorldWorld Veteran
edited November 2013 in General

Hello,i found a problem.I can't visit the website(use Cloudflare CDN),and i checked my network,it looks not a GFW block problem,i think it probably Cloudflare blocked Chinese IP,that's sounds amazing.What's happen?

Comments

  • not all the CF ips are affected, such as I can visit http://feathur.com/, but can't visit http://www.bluevm.com/

  • @hotsnow said:
    not all the CF ips are affected, such as I can visit http://feathur.com/, but can't visit http://www.bluevm.com/

    $ ping feathur.com
    PING feathur.com (108.162.205.66): 56 data bytes
    64 bytes from 108.162.205.66: icmp_seq=0 ttl=52 time=263.949 ms
    64 bytes from 108.162.205.66: icmp_seq=1 ttl=52 time=262.875 ms
    64 bytes from 108.162.205.66: icmp_seq=2 ttl=52 time=271.725 ms
    ^C
    --- feathur.com ping statistics ---
    4 packets transmitted, 3 packets received, 25.0% packet loss
    round-trip min/avg/max/stddev = 262.875/266.183/271.725/3.943 ms
    $ ping bluevm.com
    PING bluevm.com (108.162.200.96): 56 data bytes
    64 bytes from 108.162.200.96: icmp_seq=0 ttl=52 time=272.627 ms
    64 bytes from 108.162.200.96: icmp_seq=1 ttl=52 time=270.376 ms
    ^C
    --- bluevm.com ping statistics ---
    2 packets transmitted, 2 packets received, 0.0% packet loss
    round-trip min/avg/max/stddev = 270.376/271.501/272.627/1.126 ms

    I can visit feathur too,and also can't visit bluevm.com
    What's happen?

  • @Edo said:
    What's happen?

    it's a very strange thing, I can ping www. bluevm.com, and can also telnet its 80 port, but the browers can't open it, this issue already last more than 1 week.

  • @hotsnow said:
    it's a very strange thing, I can ping www. bluevm.com, and can also telnet its 80 port, but the browers can't open it, this issue already last more than 1 week.

    I also found this problem.

  • hotsnowhotsnow Veteran
    edited November 2013

    @Edo said:
    I also found this problem.

    the https://feathur.bluevm.com/ also can't open, so, perhaps the GFW block the domain of BlueVM, or BlueVM block all the ips of China in their CloudFlare settings...

  • @hotsnow said:
    the https://feathur.bluevm.com/ also can't open, so, perhaps the GFW block this domain, or bluevm block China ips...

    Maybe not a GFW block problem.

  • @Edo said:
    Maybe not a GFW block problem.

    @BlueVM :)

  • @hotsnow said:
    the https://feathur.bluevm.com/ also can't open, so, perhaps the GFW block the domain of BlueVM, or BlueVM block all the ips of China in their CloudFlare settings...

    according to www.blockedinchina.net ,both site are accessible in China.

  • hotsnowhotsnow Veteran
    edited November 2013

    @JerryHou said:
    according to www.blockedinchina.net ,both site are accessible in China.

    this is not true, as I've already mentioned above, the ip can ping, the 80 port can be telnet, even the ip can be directly visit in browsers (display "Direct IP access not allowed"), but can't open the website use this domain in the browsers.

  • It is almost certain bluevm.com has been blacklisted by GFW. That happens to wikipedia before in a brief period. People reported they could ping and connect to port 80 but get reset when trying to load the page.

  • edited November 2013

    Some of CloudFlare's IPs are interrupted by GFW, not blocking, but give you a very bad connection.

  • In English, there is a space after comma before the next part of the sentence. Just like this. @Edo

  • jarjar Patron Provider, Top Host, Veteran

    What happens when you initiate a GET request via Telnet? Any value return at all?

    http://www.esqsoft.com/examples/troubleshooting-http-using-telnet.htm

  • BlueVM down for me aswell

  • Connection timed out bVM down

  • MaouniqueMaounique Host Rep, Veteran

    Perhaps they host too many proxies and people can watch "illegal" content ?
    They should ban buyvm, afaik they were hosting a lot of proxies for the chinese.

  • hotsnowhotsnow Veteran
    edited November 2013

    @jarland said:
    What happens when you initiate a GET request via Telnet? Any value return at all?

    http://www.esqsoft.com/examples/troubleshooting-http-using-telnet.htm

    by directly visit the ip of bluevm.com, the page show as "Direct IP access not allowed"

  • jarjar Patron Provider, Top Host, Veteran

    Yeah sounds like you're reaching your target and getting a response, in this case cloudflare. I am also unable to reach the bluevm site right now.

  • matthewvzmatthewvz Member, Host Rep

    @jarland said:
    I am also unable to reach the bluevm site right now.

    Same here. Their website seems to go down a lot (from my own experience anyway)

  • MaouniqueMaounique Host Rep, Veteran

    It was down earlier for me, but works now very fast, so probably only a few visitors.
    My VM didnt have issues. Could have been some Layer 7 attack ?

  • BlueVMBlueVM Member
    edited November 2013

    Today: It was actually just a disk failure... so we moved it. Took longer than we would have liked.

    --
    That said cloudflare does appear blocked from China so we'll likely be switching to our own system here shortly.

  • BlueVM said: disk failure

    To clarify, disk failure on hardware we used only for WHMCS and a few shenanigans.

  • @BlueVM said:
    Today: It was actually just a disk failure... so we moved it. Took longer than we would have liked.

    --
    That said cloudflare does appear blocked from China so we'll likely be switching to our own system here shortly.

    Would you mind giving me the Source ip?I can add it to "hosts",and then no problem.

  • MonsteRMonsteR Member
    edited November 2013

    CF might of blocked you from the site alone if it isnt the issue above.

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