A clear walkthrough of how traceroute works under the hood. It explains the TTL trick, the ICMP replies routers send back, and even rebuilds the core idea in Rust.
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I don’t write code anymore
Jason McCreary explains how he went from using AI for tedious snippets to letting agents handle nearly all coding, testing, and review work. It is a clear account of the guardrails, workflow shifts, and mindset Read more…