nast
Packet sniffer and a LAN analyzer based on Libnet and Libpcap
Nast is a packet sniffer and a LAN analyzer based on Libnet and Libpcap. It can sniff in normal mode or in promiscuos mode the packets on a network interface and log it. It dumps the headers of packets and the payload in ascii or ascii-hex format. You can apply a filter. The sniffed data can be saved in a separated file. As analyzer tool, it has many features like: * Build LAN hosts list * Follow a TCP-DATA stream * Find LAN internet gateways * Discorver promiscous nodes * Reset an established connection * Perform a single half-open portscanner * Perform a multi half-open portscanner * Find link type (hub or switch) * Catch daemon banner of LANnodes * Control arp answers to discover possible arp-spoofings * Byte couting with an optional filter * Write reports logging It also provides a new ncurses interface
GPL-2.0