“Why is the page still showing the old version?” is one of the most common Cloudflare support questions because cache problems often look like deployment problems. You update the origin,…
Read moreRedirect loops are one of the most disruptive Cloudflare-side failures because they can look like “the site is down,” while every component is technically working. The browser receives responses, the…
Read moreWhen traffic is blocked “for no reason,” the fastest way out is rarely guesswork in code. It is the firewall event trail. Cloudflare’s firewall decisions leave a footprint: which rule…
Read moreA 429 response is one of the few rate-limit signals that looks explicit, but in Cloudflare-protected environments it still rarely tells the full story. Many teams see 429s in bursts,…
Read moreIP reputation blocks are one of the most confusing Cloudflare failure modes because they can look unrelated to your application logic. Your requests are well-formed, TLS completes, and sometimes everything…
Read moreCAPTCHA prompts are rarely triggered by one “bad request.” In real traffic, they appear when Cloudflare’s edge becomes uncertain about a client’s continuity, intent, or risk profile. That uncertainty can…
Read moreCloudflare session problems are rarely a single bug. In production, they show up as patterns: cookies that seem to disappear, pages that alternate between variants, and redirect loops that never…
Read moreCloudflare WAF blocks are especially painful when they look inconsistent. A request pattern that worked yesterday can start returning 403s today. One worker is fine, another hits a block. The…
Read moreChallenge pages feel random when you only look at a single request. The headers look normal, TLS connects, JavaScript runs, and the origin returns 200. Then the next run hits…
Read moreRate limiting issues rarely show up as a clean “you are rate limited” banner. In production, they often look like instability: sporadic 429s, bursts of challenge pages, sudden latency jumps,…
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