nast

Packet sniffer

Nast is a packet sniffer and a LAN analyzer based on Libnet and Libpcap. 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 LAN nodes * Control arp answers to discover possible arp-spoofings * Byte couting with an optional filter * Write reports logging It also provides a ncurses menu.