Thwart ARP Poisoning by using static entries

When considering the possiblity of packet sniffing, the ubiquitous use of Layer 2 switches is nothing more than a low hurdle. GUI based tools like Cain & Abel (Windows) as well as traditional tools like Dsniff and Ettercap make the threat of packet sniffing through ARP Poisoning very real. A simple solution is to create static ARP entries for the hosts you communicate with. Here’s how on linux
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