NFBPF_COMPILE(8) iptables 1.8.11 NFBPF_COMPILE(8) (NAME) nfbpf_compile - (BPF) iptables (SYNOPSIS) nfbpf_compile [ LLTYPE ] PROGRAM LLTYPE := { EN10MB | RAW | SLIP | ... } (DESCRIPTION) nfbpf_compile BPF bpf iptables . (OPTIONS) LLTYPE . DLT_ . iptables RAW ( ). PROGRAM BPF pcap-filter(7) . (EXIT STATUS) 0 1 . (EXAMPLES) TCP 100 : bpf=$(nfbpf_compile 'tcp and greater 100') iptables -A INPUT -m bpf --bytecode "$bpf" -j ACCEPT bpf iptables-extensions(8) . (SEE ALSO) iptables-extensions(8), pcap-filter(7) iptables 1.8.11 NFBPF_COMPILE(8)