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ROPE Language Reference - "$tcp_ack_seq".

The acknowledgement sequence number of the TCP/IP packet being inspected.

RFC_793 describes this field like this..

Acknowledgment Number:  32 bits

 If the ACK control bit is set this field contains the value of the
 next sequence number the sender of the segment is expecting to
 receive.  Once a connection is established this is always sent.

This is a read-only register.

This field is only relevant for TCP/IP packets, and will contain the value 0 for others types.

See Also

• RFC_793
• $tcp_ack, $tcp_check, $tcp_cwr, $tcp_dest, $tcp_doff, $tcp_ece, $tcp_fin, $tcp_psh, $tcp_rst, $tcp_seq, $tcp_source, $tcp_syn, $tcp_urg, $tcp_urg_ptr, $tcp_window

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