Definitions

background noise

Internet background noise

Internet background noise (IBN) consists of data packets on the Internet which are addressed to IP addresses or ports where there is no network device set up to receive them. These noise packets normally contain unsolicited commercial or network control messages, or are the result of port scans and worm activities.

Backscatter Noise

Backscatter is a term coined by Vern Paxon to describe Internet background noise resulting from a DDoS attack using multiple spoofed addresses. This backscatter noise is used by network telescopes to indirectly observe large scale attacks in real time.

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