Cloud Native Technology Community

Feb 23, 2022 · Cloud Native

How Envoy Hijacks Traffic: Deep Dive into iptables Sidecar Mode

This article provides a detailed technical analysis of Envoy's traffic hijacking mechanisms, covering sidecar and gateway modes, REDIRECT and TPROXY interception, iptables rule generation, port handling, conntrack limitations, and eBPF acceleration within Kubernetes service meshes.