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ROPE Language Reference - "$tcp_ece".

This is the "ECE" control bit from the ECN (Explicit Congestion Notification) extension of the TCP/IP header of the packet being inspected. It is a one-bit flag that means (if set) "ECN Echo". For a detailed description of this feature of TCP/IP please refer to RFC_3168.

It can have a value of 0 or 1 only and is read-only.

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

See Also

• RFC_793, RFC_3168
• $tcp_ack, $tcp_ack_seq, $tcp_check, $tcp_cwr, $tcp_dest, $tcp_doff, $tcp_fin, $tcp_psh, $tcp_rst, $tcp_seq, $tcp_source, $tcp_syn, $tcp_urg, $tcp_urg_ptr, $tcp_window

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