Protecting your network against Ettercap
By now you might be wondering if there's a way to protect your network against the ARP poisoning attacks we've seen in this chapter.
The most common and straightforward defense is to define static ARP entries for important addresses on the network. You could do this on the router, if it has support for static ARP entries, and/or directly, on each machine connected to the network:
Most operating systems will display the ARP table with the arp -a command.
To turn a dynamic ARP entry for your router into a static entry in Windows, open a Command Prompt ...
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