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2025년 11월 18일 Cloudflare Global Network 오류(r26 Blame)

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1[[분류:Aidenk]]
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2[include(틀:사건사고)]
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3[목차]
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4== 개요 ==
52025년 11월 18일 Cloudflare Global Network 오류로 인하여 전세계의 Cloudflare을 쓰는 웹 및 앱이 사용 불능이 된 사태.
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6
7== 이유 ==
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8내부적인 원인을 알 수 없는 트래픽 분산 장애로 인해 터져버렸단다... --[[https://youtu.be/ZDhEQcL5bYg[|어디서 많이 본것같은 기분이...]]--
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9[include(틀:상세 내용, 설명대상=공격은 아니라지만 분산 서비스 거부 공격 ,문서명=DDoS)]
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11== 에러 상황 ==
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12{{{#!wiki style="border: 1px solid gray; border-top: 5px solid crimson; padding: 12px"
13'''{{{+1 Cloudflare Global Network experiencing issues}}}'''
14
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15'''Resolved''' - This incident has been resolved.
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16{{{-2 {{{#gray Nov 18, 2025 - 19:28 UTC}}}}}}
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17
18'''Update''' - Cloudflare services are currently operating normally. We are no longer observing elevated errors or latency across the network.
19
20Our engineering teams continue to closely monitor the platform and perform a deeper investigation into the earlier disruption, but no configuration changes are being made at this time.
21
22At this point, it is considered safe to re-enable any Cloudflare services that were temporarily disabled during the incident. We will provide a final update once our investigation is complete.
23{{{-2 {{{#gray Nov 18, 2025 - 17:44 UTC}}}}}}
24
25'''Update''' - We continue to monitor the system through recovery and we are seeing errors and latency return to normal levels. A full post-incident investigation and details about the incident will be made available asap.
26{{{-2 {{{#gray Nov 18, 2025 - 17:14 UTC}}}}}}
27
28'''Update''' - We continue to see errors drop as we work through services globally and clearing remaining errors and latency.
29{{{-2 {{{#gray Nov 18, 2025 - 16:46 UTC}}}}}}
30
31'''Update''' - We continue to see errors and latency improve but still have reports of intermittent errors. The team continues to monitor the situation as it improves, and looking for ways to accelerate full recovery.
32{{{-2 {{{#gray Nov 18, 2025 - 16:27 UTC}}}}}}
33
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34'''Update''' - Bot scores will be impacted intermittently while we undergo global recovery. We will update once we believe bot scores are fully recovered.
35{{{-2 {{{#gray Nov 18, 2025 - 16:04 UTC}}}}}}
36
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37'''Update''' - The team is continuing to focus on restoring service post-fix. We are mitigating several issues that remain post-deployment.
38{{{-2 {{{#gray Nov 18, 2025 - 15:40 UTC}}}}}}
39
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40'''Update''' - We are continuing to monitor for any further issues.
41{{{-2 {{{#gray Nov 18, 2025 - 15:23 UTC}}}}}}
42
43'''Update''' - Some customers may be still experiencing issues logging into or using the Cloudflare dashboard. We are working on a fix to resolve this, and continuing to monitor for any further issues.
44{{{-2 {{{#gray Nov 18, 2025 - 14:57 UTC}}}}}}
45
46'''Monitoring''' - A fix has been implemented and we believe the incident is now resolved. We are continuing to monitor for errors to ensure all services are back to normal.
47{{{-2 {{{#gray Nov 18, 2025 - 14:42 UTC}}}}}}
48
49'''Update''' - We've deployed a change which has restored dashboard services. We are still working to remediate broad application services impact
50{{{-2 {{{#gray Nov 18, 2025 - 14:34 UTC}}}}}}
51
52'''Update''' - We are continuing to work on a fix for this issue.
53{{{-2 {{{#gray Nov 18, 2025 - 14:22 UTC}}}}}}
54
55'''Update''' - We are continuing working on restoring service for application services customers.
56{{{-2 {{{#gray Nov 18, 2025 - 13:58 UTC}}}}}}
57
58'''Update''' - We are continuing working on restoring service for application services customers.
59{{{-2 {{{#gray Nov 18, 2025 - 13:35 UTC}}}}}}
60
61'''Update''' - We have made changes that have allowed Cloudflare Access and WARP to recover. Error levels for Access and WARP users have returned to pre-incident rates.
62We have re-enabled WARP access in London.
63
64We are continuing to work towards restoring other services.
65{{{-2 {{{#gray Nov 18, 2025 - 13:13 UTC}}}}}}
66
67'''Identified''' - The issue has been identified and a fix is being implemented.
68{{{-2 {{{#gray Nov 18, 2025 - 13:09 UTC}}}}}}
69
70'''Update''' - During our attempts to remediate, we have disabled WARP access in London. Users in London trying to access the Internet via WARP will see a failure to connect.
71{{{-2 {{{#gray Nov 18, 2025 - 13:04 UTC}}}}}}
72
73'''Update''' - We are continuing to investigate this issue.
74{{{-2 {{{#gray Nov 18, 2025 - 12:53 UTC}}}}}}
75
76'''Update''' - We are continuing to investigate this issue.
77{{{-2 {{{#gray Nov 18, 2025 - 12:37 UTC}}}}}}
78
79'''Update''' - We are seeing services recover, but customers may continue to observe higher-than-normal error rates as we continue remediation efforts.
80{{{-2 {{{#gray Nov 18, 2025 - 12:21 UTC}}}}}}
81
82'''Update''' - We are continuing to investigate this issue.
83{{{-2 {{{#gray Nov 18, 2025 - 12:03 UTC}}}}}}
84
85'''Investigating''' - Cloudflare is experiencing an internal service degradation. Some services may be intermittently impacted. We are focused on restoring service. We will update as we are able to remediate. More updates to follow shortly.
86{{{-2 {{{#gray Nov 18, 2025 - 11:48 UTC}}}}}}}}}
87
88{{{#!wiki style="border: 1px solid gray; border-top: 5px solid navy; padding: 12px"
89'''{{{+1 SYD (Sydney) on 2025-11-18}}}'''
90
91'''In progress''' - Scheduled maintenance is currently in progress. We will provide updates as necessary.
92{{{-2 {{{#gray Nov 18, 2025 - 15:01 UTC}}}}}}
93
94'''Scheduled''' - We will be performing scheduled maintenance in SYD (Sydney) datacenter on 2025-11-18 between 15:00 and 19:00 UTC.
95
96Traffic might be re-routed from this location, hence there is a possibility of a slight increase in latency during this maintenance window for end-users in the affected region. For PNI / CNI customers connecting with us in this location, please make sure you are expecting this traffic to fail over elsewhere during this maintenance window as network interfaces in this datacentre may become temporarily unavailable.
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98You can now subscribe to these notifications via Cloudflare dashboard and receive these updates directly via email, PagerDuty and webhooks (based on your plan): https://developers.cloudflare.com/notifications/notification-available/#cloudflare-status.
99{{{-2 {{{#gray Nov 18, 2025 15:00-19:00 UTC}}}}}}}}}
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101{{{#!wiki style="border: 1px solid gray; border-top: 5px solid navy; padding: 12px"
102'''{{{+1 PPT (Tahiti) on 2025-11-18}}}'''
103
104'''In progress''' - Scheduled maintenance is currently in progress. We will provide updates as necessary.
105{{{-2 {{{#gray Nov 18, 2025 - 12:00 UTC}}}}}}
106
107'''Scheduled''' - We will be performing scheduled maintenance in PPT (Tahiti) datacenter on 2025-11-18 between 12:00 and 16:00 UTC.
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109Traffic might be re-routed from this location, hence there is a possibility of a slight increase in latency during this maintenance window for end-users in the affected region. For PNI / CNI customers connecting with us in this location, please make sure you are expecting this traffic to fail over elsewhere during this maintenance window as network interfaces in this datacentre may become temporarily unavailable.
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111You can now subscribe to these notifications via Cloudflare dashboard and receive these updates directly via email, PagerDuty and webhooks (based on your plan): https://developers.cloudflare.com/notifications/notification-available/#cloudflare-status.
112{{{-2 {{{#gray Nov 18, 2025 12:00-16:00 UTC}}}}}}}}}
113
114{{{#!wiki style="border: 1px solid gray; border-top: 5px solid navy; padding: 12px"
115'''{{{+1 ATL (Atlanta) on 2025-11-18}}}'''
116
117'''In progress''' - Scheduled maintenance is currently in progress. We will provide updates as necessary.
118{{{-2 {{{#gray Nov 18, 2025 - 07:02 UTC}}}}}}
119
120'''Scheduled''' - We will be performing scheduled maintenance in ATL (Atlanta) datacenter between 2025-11-18 07:00 and 2025-11-19 22:00 UTC.
121
122Traffic might be re-routed from this location, hence there is a possibility of a slight increase in latency during this maintenance window for end-users in the affected region. For PNI / CNI customers connecting with us in this location, please make sure you are expecting this traffic to fail over elsewhere during this maintenance window as network interfaces in this datacentre may become temporarily unavailable.
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124You can now subscribe to these notifications via Cloudflare dashboard and receive these updates directly via email, PagerDuty and webhooks (based on your plan): https://developers.cloudflare.com/notifications/notification-available/#cloudflare-status.
125{{{-2 {{{#gray Nov 18, 2025 07:00 - Nov 19, 2025 22:00 UTC}}}}}}}}}
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127{{{#!wiki style="border: 1px solid gray; border-top: 5px solid orange; padding: 12px"
128'''{{{+1 Support Portal Availability Issues}}}'''
129
130'''Update''' - We are continuing to investigate this issue.
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131{{{-2 {{{#gray Nov 18, 2025 - 15:16 UTC}}}}}}
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133'''Investigating''' - Our support portal is currently experiencing issues, and as such customers might encounter errors viewing or responding to support cases. Responses on customer inquiries are not affected, and customers can still reach us via live chat (Business and Enterprise) through the Cloudflare Dashboard, or via the emergency telephone line (Enterprise).
134We are working to understand the full impact and mitigate this problem.
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135{{{-2 {{{#gray Nov 18, 2025 - 11:17 UTC}}}}}}}}}
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136
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137== 피해 상황 ==
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138=== 위키 ===
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139 * [[나무위키]]: 간혈적으로 편집, 삭제, 이동, 댓글 작성, ip에 한하여 게시글 작성 불가.
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140 * [[더시드위키]]: 접속불가.
141 * [[더시드?위키]]: 편집, 삭제, 이동, 댓글 작성 불가.
142 * [[알파위키]]: 접속 불가.
143 * [[위브위키]]: 접속 불가.
144 * [[테스트위키]](the tree): 접속 불가.
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145
146=== 커뮤니티 ===
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147 * 아카라이브: 로그인 불가.
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148 * X: 전반적인 시스템 이용 불가.
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149
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150=== 게임 ===
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151 * 리그 오브 레전드: 접속 불가.
152 * Geometry Dash: 온라인 서버 이용 불가.
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153 * 던전앤파이터: 접속 불가.
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154
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155=== 정부 기관 ===
156
157=== 대기업 ===
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158 * 맥도날드: 키오스크 이용 불가.
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159 * Chat GPT: 웹사이트에 한하여 이용 불가.
160 * Canva: 웹사이트, 앱 이용 불가.
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161 * Spotify
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162
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163=== 기타 ===
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164 * 불법 OTT 사이트: 접속 불가.
165
166== 대응 ==