Module xenet_packet::tcp::TcpFlags

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Represents the TCP Flags https://www.iana.org/assignments/tcp-parameters/tcp-parameters.xhtml#tcp-header-flags

Constants

  • ACK
    ACK – indicates that the Acknowledgment field is significant. All packets after the initial SYN packet sent by the client should have this flag set.
  • CWR
    CWR – Congestion Window Reduced (CWR) flag is set by the sending host to indicate that it received a TCP segment with the ECE flag set and had responded in congestion control mechanism.
  • ECE
    ECE – ECN-Echo has a dual role, depending on the value of the SYN flag. It indicates: If the SYN flag is set (1), that the TCP peer is ECN capable. If the SYN flag is clear (0), that a packet with Congestion Experienced flag set (ECN=11) in IP header received during normal transmission.
  • FIN
    FIN – No more data from sender.
  • PSH
    PSH – Push function. Asks to push the buffered data to the receiving application.
  • RST
    RST – Reset the connection.
  • SYN
    SYN – Synchronize sequence numbers. Only the first packet sent from each end should have this flag set.
  • URG
    URG – indicates that the Urgent pointer field is significant.