This topic created in 3580 days ago, the information mentioned may be changed or developed.
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1
wujunze Aug 19, 2016
是他们自定义的吧?
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2
UnisandK Aug 19, 2016
是不是打 502 的时候手滑了
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3
cnZary Aug 19, 2016
cloudflare 也返回过，说是未知错误
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4
morethansean Aug 19, 2016
520 Unknown Error
The 520 error is used as a "catch-all response for when the origin server returns something unexpected", listing connection resets, large headers, and empty or invalid responses as common triggers. https://en.wikipedia.org/wiki/List_of_HTTP_status_codes ----- 不过我想说的其实是，你被表白了！ |
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5
txydhr Aug 19, 2016 via iPad
不是标准的状态码， cloudflare 自己定义的
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6
china1234 Aug 19, 2016
你被表白了！
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china1234 Aug 19, 2016
你被表白了
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8
penjianfeng Aug 19, 2016
浏览器看上你了,希望 ta 是个 girl,哈哈哈哈哈
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9
dndx Aug 19, 2016 via iPad
如果有用我厂服务这是我厂自定义代码。你看看返回的错误内容会有解释。
https://support.cloudflare.com/hc/en-us/articles/200171936-Error-520-Web-server-is-returning-an-unknown-error |
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10
livc Aug 20, 2016 via iPhone
我装 cnmp 时也遇到过，应该是自定义的。
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11
xbdsky Aug 20, 2016
流量大了，挂了
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