I'm surprised the blog post does not mention Cloudflare's own library, tubular [0], the "BSD socket API on steroids": > The control plane for BPF socket lookup

I'm surprised the blog post does not mention Cloudflare's own library, tubular [0], the "BSD socket API on steroids": > The control plane for BPF socket lookup. Steers traffic that arrives via the tubes of the Internet to processes running on the machine. Its much more flexible than traditional BSD bind semantics: > * You can bind to all ports on an IP > * You can bind to a subnet instead of an IP > * You can bind to all ports on a subnet I played with it once and found it to be pretty awesome. [0] https://github.com/cloudflare/tubular https://github.com/cloudflare/tubular