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Linux Neighbour Logging System Version 0.2 Copyright 2010,2012 Michele Cucchi <cucchi@cs.unibo.it> developed inside the "VirtualSquare" project www.virtualsquare.org Thanks to Ben Gardner <bgardner@wabtec.com> for CRC16 module Linux Neighbour Logging System is a tool designed to log the adding of new entries to kernel neighbour table, through the analisys of kernel notifications to RTMGRP_NEIGH, the neighbour netlink multicast group. This software is compatible only for Linux version greater than 2.6.18 To build read INSTALL file. Command line parameter " -h, --help Display this help and exit." " -d, --daemonize Run on background. Optional argument, not valid with debug, help and stdout." " -p, --pidfile filename Write the pid of lnls in the file named \"filename\", valid only with daemonize." " -D, --debug Print all packet log on standard output, without timing handling. Not valid with other options." " -O, --stdout Print all packet log on standard output, not valid with: daemonize, debug, filelog and syslog." " -s, --syslog Print all packet log on syslog, not valid with: debug, stdout and filelog." " -F, --filelog filename Print all packet log on logfile, not valid with: debug, stdout and syslog." " -A, --addrfamily inet|inet6 Force to log only packets of address family selected." " -I, --interfaces int1,int2,.. Force to log only packets from interfaces selected." " -S, --subnets sub/mask,sub/mask1,.. Force to log only packets of subnets selected." " -T, --timeout Set hash table flushing timeout, default is 360 seconds, min timeout is 1 second and max timeout is 3600 seconds." " -x, --exec-rx4 Set a command to exec when receiving a neighbour with IPv4 address." " -X, --exec-rx6 Set a command to exec when receiving a neighbour with IPv6 address." " -z, --exec-del4 Set a command to exec when a neighbour with IPv4 address has expired." " -Z, --exec-del6 Set a command to exec when a neighbour with IPv6 address has expired.";