Making magic with the network stack
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This folder contains detail for Test_Case1.
The values for the header fields are:
Verison = 4, to indicate IPv4 version is used. IHL = 5, which indicates 20 bytes. Type of Service = 0, Total Window size = 40, which is 28 in hex. The total windows size contains the total lenght of IP header plus data. Identification = 0001, Flags = All flags are set to zero, Fragment Offset = For now, there is no fragment offset so, this value is set to 0.
Source IP = 200.204.10.12, which is c8cc 0a0c in hex Destination IP = 200.204.10.14, which is c8cc 0a0e in hex Source Port = 1234, which is 04D2 in hex, Destination Port = 4444, which is 115c in hex.
For the SYN packet, the SYN Flag in the header has a value of 1. For the SYN+ACK packet, the SYN and ACK flags in the header have a value of 1. For the ACK packet, the ACK flag in the header has a value of 1. For the FIN packet, the FIN flag in the header has a value of 1. For the FIN+ACK packet, the FIN and ACK flags in the header have a value of 1.
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