ngrep - network grep

ngrep strives to provide most of GNU grep's common features, applying them to the network layer. ngrep is a pcap-aware tool that will allow you to specify extended regular or hexadecimal expressions to match against data payloads of packets. It currently recognizes IPv4/6, TCP, UDP, ICMPv4/6, IGMP and Raw across Ethernet, PPP, SLIP, FDDI, Token Ring and null interfaces, and understands BPF filter

[oinume]

ngrepはmanがないからこれがマニュアル代わり

[yujiorama]

pcap 要るのか

[toton]

正規表現でパケットキャプチャ ngrep

[drumsco]

コマンドラインのパケットキャプチャ

[elf]

パケットを正規表現でキャプチャ