Arpwatch NG - Monitors mac adresses on your network.
Updated by FastRunner on Thursday, March 08th 2007.
Arpwatch monitors mac adresses on your network and writes them into a file.last know timestamp and change notification is included. use it to monitor for unknown (and as such, likely to be intruder's) mac adresses or somebody messing around with your arp_/dns_tables.
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