Module pnet::packet::tcp::TcpFlags
[−]
[src]
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 |