netsniff-ng

netsniff-ng is a network sniffer for packet inspection. It is similar
to tcpdump, and likewise uses a memory mapped area for accessing
packets. It can be used for protocol analysis and reverse
engineering, network debugging, measurement of performance
throughput, or network statistics creation of incoming packets on
central network nodes like routers or firewalls.
The netsniff-ng toolkit consists of the following utilities:

netsniff-ng, a zero-copy analyzer, pcap capturing and replaying tool
trafgen, a multithreaded low-level zero-copy network packet generator
mausezahn, high-level packet generator for HW/SW appliances with Cisco-CLI
bpfc, a Berkeley Packet Filter compiler, Linux BPF JIT disassembler
ifpps, a top-like kernel networking statistics tool
flowtop, a top-like netfilter connection tracking tool
curvetun, a curve25519-based IP tunnel
astraceroute, an autonomous system (AS) trace route utility


          

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License: GPL-2.0-only
URL: http://netsniff-ng.org/