TCP header flag field values Flashcards
1
Q
CWR - Congestion Window Reduced
A
manage transmission over congested links
see RFC 3168
2
Q
ECE - ECN Echo (Explicit Congestion Notification)
A
manage transmission over congested links
see RFC 3168
3
Q
URG - Urgent
A
indicates urgent data
4
Q
ACK - Acknowledgement
A
Acknowledged synchronization or shutdown request
5
Q
PSH - Push
A
Indicates need to push data immediately to application
6
Q
RST - Reset
A
Causes immediate disconnect of TCP session
7
Q
SYN - Synchronization
A
Requests synchronization with new sequencing numbers
8
Q
FIN - Finish
A
Requests graceful shutdown of TCP session