PFQ.io is your technical hub for Linux-based packet capture, filtering, and network queue engineering — from eBPF and XDP to DPDK and kernel bypass techniques.
From kernel-level eBPF programs to userspace DPDK pipelines, PFQ.io covers the full spectrum of high-performance Linux networking.
Deep-dive tutorials on BPF, eBPF, cBPF, and classic pcap filter expressions. Learn to write, compile, and attach filter programs at the socket, TC, and XDP layers.
eBPF / BPF / pcapHarness the eXpress Data Path (XDP) hook to process packets before the kernel network stack — enabling line-rate forwarding, DDoS mitigation, and load balancing.
XDP / AF_XDPProfessional-grade tools to grow your business. Trusted by thousands of companies worldwide.
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