What are TCP flags? · SYN - The synchronisation flag is used as a first step in · ACK - The acknowledgment flag is used to acknowledge the successful receipt of a ... ... <看更多>

This is the output of the three way handshake of a TCP connection: 23:40:36.011400 IP 10.1.1.11.44733 > 73.5.9.44.80: Flags [S], ... ... <看更多>

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tcp[tcpflags] is a variable storing the TCP flags (bits) on currently captured TCP packet. tcp-syn is a constant with zeroes everywhere except the bit ... ... <看更多>