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broadcast domain


Definition: broadcast domain: A local network where broadcasts can be seen. Typical broadcast domains include cable-modem networks, colocation facilities, and Ethernet networks. The problem with broadcast domains is that a passive packet sniffer can discover vast amounts of information about the structure of the network. Attackers on the same broadcast domains can also broadcast packets that break into their neighbors, such as in ARP redirects. From Hacking-Lexicon

* Linux/Unix/Computing Glossary

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