ngrep
Packet analyzer
A tool for searching and analyzing network packet data using extended regular expressions or hexadecimal patterns
ngrep is like GNU grep applied to the network layer. It's a PCAP-based tool that allows you to specify an extended regular or hexadecimal expression to match against data payloads of packets. It understands many kinds of protocols, including IPv4/6, TCP, UDP, ICMPv4/6, IGMP and Raw, across a wide variety of interface types, and understands BPF filter logic in the same fashion as more common packet sniffing tools, such as tcpdump and snoop.
907 stars
23 watching
102 forks
Language: C
last commit: about 1 month ago
Linked from 1 awesome list
greppingsniffer
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