TCP data communication
Once the three-way connection is established, the data is communicated by exchanging the segments and the PUSH flag is set to indicate that the data flows on a connection as a stream of octets, as shown in the following figure:
Select packet#4 from the normal-connection.pcap file as shown in the following screenshot; expand the TCP section in the Packet Details pane:
As you can see in the preceding screenshot:
- The server is sending data to the client as shown in the packet.
- The server sets
tcp.flags.push = 1. - The server sets
tcp.flags.ack ...
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