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LFT, short for Layer Four Traceroute, is a sort of 'traceroute' that often works much faster (than the commonly-used Van Jacobson method) and goes through many configurations of firewalls. More importantly, LFT implements numerous other features including firewall detection and identification, load balancer detection, AS number lookups, loose source routing, netblock name lookups, et al. Also includes whob, a prefix whois client.

LFT, short for Layer Four Traceroute, is a sort of 'traceroute' that often works much faster (than the commonly-used Van Jacobson method) and goes through many configurations of firewalls. More importantly, LFT implements numerous other features including firewall detection and identification, load balancer detection, AS number lookups, loose source routing, netblock name lookups, et al. Also includes whob, a prefix whois client.

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2025-Oct-26 to 2025-Nov-25

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