nast

packet sniffer and lan analyzer

Description

Can sniff in normal mode or in promiscuous 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
 * Discover promiscuous 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 counting with an optional filter
 * Write reports logging

It also provides a ncurses menu.

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Homepage

http://nast.berlios.de/


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