TL;DR. golang.org/x/net/idna.Lookup.ToASCII runs UTS-46 NFKC mapping 0-9. A pre-IDNA net.ParseIP check rejects the NO_PROXY lists, TLS-SNI routers, and cookie-domain validators that TrimRight + ParseAddr golang.org/x/net/http/httpproxy, the canonical safe pattern, and two I ran into this one while writing a Go HTTP client for a private project. I idna.Lookup.ToASCII canonicalising the host The sha
Benchmark CI/CD in Docker 25 vs Cilium: What You Need to Know Modern CI/CD pipelines demand high performance, low latency, and reliable networking. Two technologies often at the center of containerized workflow discussions are Docker 25 (the latest major release of the ubiquitous container runtime) and Cilium (the eBPF-powered CNI plugin for Kubernetes). While they operate at different layers of