Hetzner's eBPF-based hcnet network stack hits beta with 240k concurrent connections per server
DanielLockyer · x · 2026-11-10
Hetzner launched hcnet, a new eBPF-based cloud network stack now in beta. Each server gets 120,000 concurrent IPv4 connections plus 120,000 for IPv6, up from 80,000 combined previously. Switching causes a brief connection interruption.
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