arpsentry

introduction

ethernet layer2 passiv watching daemon, checks on-wire inforamtion with a give source ( file[tabbed/csv],sql )
tracks active clients first apperance, last seen, latency - and exports this information to file/sql
capable of scanning the configured domains in active mode (emits some arp traffic)
in active mode - tries to revail promiscous mode enabled machines

current status

working fine...but some features are still missing...
i'm currently focusing on trying to figure out a way to estimate the latency between two remote clients
(i know that on ethernet latency is not a very good measurement - in the first place because it depends on the remote machine too )

unimplemented

export of stats to file/sql/socket
promiscous mode detection

source is availibe from:
https://arpsentry.svn.sourceforge.net/svnroot/arpsentry

sf.net project page