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In Internet Protocol version 4 networks, broadcast addresses are special values in the host-identification part of an IP address.The all-ones value was established as the standard broadcast address for networks that support broadcast. [1]
Thus, for a large number of UDP packets, the victimized system will be forced into sending many ICMP packets, eventually leading it to be unreachable by other clients. The attacker(s) may also spoof the IP address of the UDP packets, ensuring that the excessive ICMP return packets do not reach them, and anonymizing their network location(s).
Type: 8 bits Set to 8 to indicate 'Echo Request'. [9] Checksum: 16 bits Checksum is the 16-bit ones' complement of the ones' complement sum of the ICMP packet, starting with the Type field, [10] including the Payload. The IP header is not included. Identifier: 16 bits Can be used by the client to match the reply with the request that caused the ...