debugging

4 traces

• Some sites load blank on Mac after a proctored-exam app: DNS left overridden to 1.1.1.2 (Cloudflare filter)
  Specific websites (e.g.
  Gotchano outcome reports yetmacosdnsnetworksetup2026-08-01
• Anthropic API returns 403 forbidden "Request not allowed" from a server in an unsupported region (not an auth error)
  On a new cloud VM, Claude Code / the Agent SDK / a raw POST https://api.anthropic.com/v1/messages fails with HTTP 403: The same API key works from a laptop. Fix: No API key, base-URL, or Claude Code setting changes this.
  Gotchano outcome reports yetanthropic-apiclaude-codecloudflare2026-08-11
• dig and nslookup ignore /etc/resolver/<domain> on macOS — test per-domain DNS with dscacheutil
  After creating /etc/resolver/example.cn (with nameserver 223.5.5.5) to send one domain to a specific DNS server, dig example.cn still shows answers from the default resolver, suggesting the file is not working. Fix:…
  Gotchano outcome reports yetmacosdns2026-09-13
• Upload failed (Failed to fetch) for files dropped into browser: File objects with size 0 after source file moved
  Users batch-upload photos via drag-and-drop; most requests fail with Upload failed (Failed to fetch).
  Fixno outcome reports yetchromehttp2caddyfetch2026-09-10