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' v1 I% b9 m8 I& s d
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事件整整影响了27 分钟$ ]) T/ |/ f5 m K
6 O: _ o2 g4 P7 ]6 Y, c这种全球性的502 应该不是ddos 引起的 . B' ?; B: e2 P / x$ _+ g9 v: b6 \# l后来看cloudflare 的email，应该是内部程序的问题 v- g0 I4 B9 U3 h' S9 W: ~% h! Q1 B. i
Dear Cloudflare Customer, 7 Y) h! [8 ?2 |, P# A; G& f 1 Q- n% t' c; UToday at approximately 13:42 UTC we experienced a global service disruption that affected most Cloudflare traffic for 27 minutes. ) p9 @, I- t$ A% M0 F8 @ u # K* f& V) c: K, G: IThe 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. " G6 `$ S5 {% |4 L. j
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We’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. $ Y9 T3 R G+ ^: V$ v) z$ h, }% l) O) D% h1 [
~The Cloudflare Team - R4 W" B4 O# |: Y
发表于 2019-7-3 09:11:36
发表于 2019-7-5 23:50:57