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& D4 [* T2 c. ?( D/ N
6 n0 S% x4 `" c0 F& K- b4 A% q事件整整影响了27 分钟 # i( ]9 e4 ]; ^" [7 m7 B! E8 e+ Q! }! ? m7 A3 h& x9 K
这种全球性的502 应该不是ddos 引起的: z' h5 h: X y9 R
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后来看cloudflare 的email，应该是内部程序的问题) i3 u2 s }) ?2 Z$ \& Y
7 K7 B5 g" E: H9 {: wDear Cloudflare Customer, ( S$ E! B- @3 M/ c |, O4 c: d' {' Q+ O7 K6 k. {Today at approximately 13:42 UTC we experienced a global service disruption that affected most Cloudflare traffic for 27 minutes. 6 W- m& C# W! o- |8 D# e# ^( C & n' |' s3 F% P( b; c2 @The 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. 2 k7 k# U: D0 J0 c
% f% y3 [ [( O( O6 eWe’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. # V+ @2 m$ M5 [4 G1 A: u* A+ q: ^5 U
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~The Cloudflare Team ; i9 k( I o7 I5 O0 {
发表于 2019-7-3 09:11:36
发表于 2019-7-5 23:50:57