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 allows 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 logic in the same fashion as more common packet sniffing tools, such as tcpdump and snoop.

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Distributions

openSUSE Tumbleweed

openSUSE Leap 15.2

SUSE SLE-15-SP2

SUSE SLE-15-SP1

SUSE SLE-12-SP5

SUSE SLE-11 SP 4

Unsupported distributions

The following distributions are not officially supported. Use these packages at your own risk.