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 $ H' Y( `; u' g' n/ U- v5 u" P, {* @5 l0 M& o& c
事件整整影响了27 分钟6 v; N# x# y( Q! u' f4 e* r
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这种全球性的502 应该不是ddos 引起的9 ^+ j! Z. P/ ^2 I1 A
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后来看cloudflare 的email，应该是内部程序的问题 / `. y W# s: C! U# O" z$ H$ P# P5 F% X( U7 l9 ^
Dear Cloudflare Customer, 8 ]# z3 L) L5 I5 w S4 j 3 V" w8 U7 A" G/ n$ vToday at approximately 13:42 UTC we experienced a global service disruption that affected most Cloudflare traffic for 27 minutes. 8 [3 s( Q' k7 l3 Z
2 `0 W! `+ W7 J9 @( qThe 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. & s2 `+ J0 g' q; F$ G
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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. 4 }4 _3 M1 Y/ t4 `$ r. Y
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~The Cloudflare Team ) V ]- y1 h# H, t1 e
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发表于 2019-7-3 09:11:36
发表于 2019-7-5 23:50:57