![]() ![]() The average packet size is considered small. “Image 2 – IP Fragmented Flood Flags”Īs seen in Image 3 the capture analysed is around 8.5 seconds and the average number of packets per second is around 1065 (considered high), with a rate of around 0.42 Mbps. Bit 2: (AF) 0 = Last Fragment, 1 = More Fragments. ![]() Bit 1: (AF) 0 = May Fragment, 1 = Don’t Fragment. The more fragments field needs to be set to 1 as seen in image 2. The packet can be identified as a part of a fragmented data frame by its Flags field. Image 2 displays an example of IP Fragmented packet. Technical analysisĪs you can see in Image 1, the attacker (IP 10.0.0.2) sends to the target (IP 10.128.0.2) a large amount of Fragmented IP Protocol packets. IP fragmentation is the process of breaking up a single Internet Protocol (IP) packet into multiple packets of a smaller size. ![]() Generally this flood is used as a basic but effective flood to bring down perimeter devices or saturate bandwidth. IP Fragmented Floods are generally spoofed attacks and normally come at a very high rate and in most cases have no identifiable Layer 4 protocol, but just garbage and the packets have to be reassembled by various devices along the way. IP Fragmented Flood is a DDoS attack aimed at consuming computing power and saturating bandwidth, they may also crash devices in rare cases because of buggy packet parsing. ![]()
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