GlitchTip is behind Cloudflare, which answers the browser's cross-site ingest POSTs with 503 (no CORS headers -> 'Failed to fetch'); server-side requests pass. The browser SDK now posts envelopes same-origin to /sentry-tunnel, and the server forwards them to GlitchTip: - imports/startup/server/sentryTunnel.js: WebApp handler that relays the raw envelope to <dsn>/api/<project>/envelope/?sentry_key=<key> over IPv4 (family:4 avoids Happy-Eyeballs picking Cloudflare's unroutable IPv6 on IPv4-only hosts). GlitchTip authenticates by the sentry_key query, so the key is derived from the DSN and passed explicitly. - client ravenLogger: tunnel: '/sentry-tunnel'. Verified: POST /sentry-tunnel -> 200 (envelope reaches GlitchTip). |
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