I imagine that's the limit per client IP address [for a single server port], no? The Linux kernel can use multiple pieces of information to track connections: c

I imagine that's the limit per client IP address [for a single server port], no? The Linux kernel can use multiple pieces of information to track connections: client IP address, client port, server IP address, server port. Cloudflare has some interesting blog posts on this topic: - https://blog.cloudflare.com/how-we-built-spectrum/ https://blog.cloudflare.com/how-we-built-spectrum/ - https://blog.cloudflare.com/how-to-stop-running-out-of-ephemeral-ports-and-start-to-love-long-lived-connections/ https://blog.cloudflare.com/how-to-stop-running-out-of-ephem...