lft (net/lft) Updated: 2 weeks, 4 days ago Add to my watchlist

Layer Four Traceroute - advanced traceroute tool

LFT, short for Layer Four Traceroute, is a traceroute that uses TCP, UDP, ICMP and adaptive probes to pass through firewalls, exposes ECMP forks, discovers the path MTU, labels every network in the path with its AS and netname, and traces IPv4 and IPv6 end to end. Output styles include text, XML, JSON, GeoJSON, KML, SVG, GraphViz and Mermaid, plus an ncurses watch mode. Also includes whob, a prefix whois client for pWhoIs, RADB, Team Cymru and RIPE RIS.

Version: 4.03 License: Copyleft GitHub
Maintainers pwhois
Categories net security
Homepage https://pwhois.org/lft/
Platforms darwin
Variants
  • gtod (Use gettimeofday() instead of PCAP arrival time for latency metrics)
  • rfc1393 (Enable the historic RFC 1393 tracing method behind -P)
  • universal (Build for multiple architectures)

"lft" depends on

lib (3)
build (2)

Ports that depend on "lft"

No ports


Port notes

lft needs raw-socket and BPF access. Run it with sudo, or make it setuid root: sudo chown root ${prefix}/bin/lft && sudo chmod u+s ${prefix}/bin/lft
whob needs no privileges.


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