! K9 w+ |- @. v# e事件整整影响了27 分钟9 c0 O' z# U2 t/ f0 E
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这种全球性的502 应该不是ddos 引起的% g# l; X& s& _; j0 p
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后来看cloudflare 的email，应该是内部程序的问题 . W1 n; Q3 j4 T" Z/ x$ i& } 1 o( j7 f1 Z5 c$ r% {- N' w. `$ \% ]Dear Cloudflare Customer, # t! ~2 r2 B- i* ^2 C5 h% l
# T, @+ M. d% ~% mToday at approximately 13:42 UTC we experienced a global service disruption that affected most Cloudflare traffic for 27 minutes. 4 d/ I7 d/ M% M
$ b* d4 N5 |: a/ Z8 T( sThe 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. : t; X2 j: R0 U- t. Y! u 9 I" H/ ?0 Q% A: ]4 A( nWe’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. $ }! J: q+ w1 o3 V4 L8 S" Q. i5 m. b8 k+ k% Q2 s' m: O ~2 T
~The Cloudflare Team 5 O& Q8 P. _; V1 E1 p" @ - a5 @6 e; H5 e9 D7 R- u% V5 @1 d # v7 W4 I, G. }: I! k, U2 n1 M
发表于 2019-7-3 09:11:36
发表于 2019-7-5 23:50:57