Research Article
An Efficient High-Throughput and Low-Latency SYN Flood Defender for High-Speed Networks
Table 1
Header modification in two cases: converting SYN to SYN/ACK packet and converting ACK to RST packet.
| Header fields | SYN SYN/ACK | ACK RST |
| IP src | IP dst | IP dst | IP dst | IP src | IP src | TCP/UDP src port | TCP/UDP dst port | TCP/UDP dst port | TCP/UDP dst port | TCP/UDP src port | TCP/UDP src port | Flag | SYN/ACK | RST | ACK number | Sequence number + 1 | Reset to zero | Sequence number | Cookie number | ACK number | Window size | Keep | Reset to zero | TCP header checksum | Recalculated | Recalculated |
|
|