Browser Fingerprint: What Timezone, Language and IP Mismatches Reveal
Sites read your timezone, language and fonts, which often clash with your proxy exit IP. See what each mismatch reveals and how to check it with cdnping /ip.
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Claude Code Connection Timeout and Errors: 4-Layer Checklist
Fix Claude Code connection timeouts and errors layer by layer: service status, local network, exit IP and local config. Includes a curl timing command, an error-code table and cdnping tools.
How to Fix a WebRTC Leak in Chrome, Firefox and Safari
A WebRTC leak can expose your real IP. Per-browser fixes: Firefox about:config, Chrome's extension and WebRtcIPHandling policy, Safari settings, side effects, and a retest on /ip.