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Cloudflare 大死機！光纖斷裂橫掃 X、Reddit、Teams 等幾十個平台

2026年6月22日 Cloudflare 大死機，元兇係北美東岸一條光纖纜線物理斷裂，唔關軟件漏洞或黑客事。 Cloudflare 原定同日進行的紐瓦克（EWR）數據中心例行維護，時間上重疊但獨立於光纖斷裂事故——並非元兇。呢次死機係 Cloudflare 近一年嚟最嚴重嘅一次，同之前幾次因內部設定錯誤（Bot Management 檔案過大、BGP 路由撤回等）導致嘅事故性質唔同，首次涉及實體基建損毀。

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Conceptual illustration of a digital map showing broken network connections and outage reports for major services like X, Reddit, and Teams during the June 22, 2026 Cloudflare fibe — Search & fact-check with cited sources for What caused the widespread Cloudflare outage on June 22, 2026, which services were affected, howA single fiber cut in Eastern North America took down dozens of major platforms on June 22, 2026, including X, Reddit, and Microsoft Teams.
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Create a landscape editorial hero image for this Studio Global article: Search & fact-check with cited sources for What caused the widespread Cloudflare outage on June 22, 2026, which services were affected, how. Article summary: ## What Caused the June 22, 2026 Cloudflare Outage. Topic tags: general, general web, user generated, news, documentation. Style: premium digital editorial illustration, source-backed research mood, clean composition, high detail, modern web publication hero. Use reference image context only for broad subject, composition, and topical grounding; do not copy the exact image. Avoid: logos, brand marks, copyrighted characters, real person likenesses, fake screenshots, UI text, readable text, watermarks, charts with fake numbers, clickbait thumbnails, icons, and tiny thumbnail layouts. Make it useful as an illustrative visual, not as factual evidence.
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2026年6月22日，互聯網一大片突然癱瘓。元兇唔係軟件漏洞，亦唔係黑客攻擊——而係北美東岸一條光纖纜線斷咗。Cloudflare，呢間處理全球大約兩成網絡流量嘅公司，出現連鎖式崩潰，導致 X（前稱 Twitter）、Reddit、Microsoft Teams、Zoom、Amazon Web Services 等幾十個平台一齊冧檔。以下係詳細拆解，睇下呢次死機係點發生、同之前嘅事故有咩分別，以及 Cloudflare 原定同日進行嘅紐瓦克例行維護有無關連。

光纖斷裂，唔係軟件漏洞

Cloudflare 工程師喺協調世界時（UTC）約 13:35 開始偵測到多項服務出現異常高錯誤率同延遲。到 14:37，佢哋鎖定咗元兇：北美東岸一條光纖纜線斷裂 。截至最後報告，維修工作仍在進行中。

呢次唔係內部設定錯誤、分散式阻斷服務攻擊（DDoS），亦唔係惡意行為。而係一次外部實體基建故障，令到 Cloudflare 喺近期連串事故中首次遇到呢種性質嘅死機。

邊啲服務受影響？

因為 Cloudflare 係用戶同網站之間嘅一道橋，一條光纖斷裂就產生咗骨牌效應。DownDetector 記錄到以下平台嘅用戶報告急升：

X — 高峰期超過 35,000 宗用戶報告
Microsoft Teams、Reddit、Zoom、Robinhood、Canva

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