昨晚 cloudflare 发生了全球502， 也就是说只要是使用了cloudflare 的站点全部502，是全球范围内的事情 & t z4 M' R$ R$ G* z# s% v$ k6 v( C" d3 r$ z; G
事件整整影响了27 分钟 ' s) a+ f, W% [& |( X2 d 0 g/ ~4 y |% S& p( l8 ~* x这种全球性的502 应该不是ddos 引起的. F' b8 Y; F4 z4 D( Y+ y
$ u. E4 Z, z+ y后来看cloudflare 的email，应该是内部程序的问题7 w* `' ?5 B+ `4 {
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Dear Cloudflare Customer, - v4 D9 |" l1 C; \" O6 o0 j& Y * u, I# S: i1 v( a; ~- @Today at approximately 13:42 UTC we experienced a global service disruption that affected most Cloudflare traffic for 27 minutes. 1 O$ j8 x! M5 I9 j/ o! g
+ y c% H8 k' uThe issue was triggered by a bug in a software deploy of the Cloudflare Web Application Firewall (WAF) which resulted in a CPU usage spike globally, and 502 errors for our customers. To restore global traffic we temporarily disabled certain WAF capabilities, removed the underlying software bug, then verified and re-enabled all WAF services. 5 M1 }4 p7 \4 [8 W U4 k ! ]1 ?5 b; u$ \+ n* oWe’re deeply sorry about how this disruption has impacted your services. Our engineering teams continue to investigate this issue and we will be sharing detailed incident report(s) on the Cloudflare blog. ) P/ A( ^! b! L. [; v2 k4 B2 G3 M/ f5 X" b* n
~The Cloudflare Team 3 x9 K# `4 L& r8 d3 G' |/ W8 s, p; G/ t4 J
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发表于 2019-7-3 09:11:36
发表于 2019-7-5 23:50:57