PF_RING™ High-speed packet capture, filtering and analysis. PF_RING™ is a new type of network socket that dramatically improves the packet capture speed, and that’s characterized by the following properties: Available for Linux kernels 2.6.32 and newer. No need to patch the kernel: just load the kernel module. 100 Gbit Hardware-based Packet Filtering using commodity network adapters on Intel and N