Module rshijack::net::TcpFlags[]

The TCP 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 (added to header by RFC 3168).

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 (added to header by RFC 3168).

FIN

FIN – No more data from sender.

NS

NS – ECN-nonce concealment protection (experimental: see RFC 3540).

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.