When curl prints 000: building an egress check that cannot lie

The alarm Our daily ops job has one job: decide whether this machine can reach the public internet. It ran a plain curl against an overseas endpoint, got 000, and marked the outbound link down. The publish queue stopped. Nothing else in the stack complained. Then the real egress check ran — the one that goes through the proxy the same way... Weiterlesen: When curl prints 000: building an egress check that cannot lie