DongDuong2001 Network Debugging Skill
This skill focuses on tracing requests across distributed networks, resolving timeouts, and understanding protocol errors.
When to use this skill
- When external APIs or microservices return 5xx/4xx errors or timeouts.
- When facing DNS resolution issues, TLS handshake failures, or CORS errors.
- When debugging load balancer or reverse proxy routing.
Guidelines
- Curl & Ping: Use basic tools to ensure reachability before debugging application code.
- Trace IDs: Utilize distributed tracing (OpenTelemetry, Jaeger) to identify exactly where a request failed in a multi-service architecture.
- Timeouts & Retries: Verify that both read and connect timeouts are explicitly set, and retry logic is idempotent.