Question: what are all tcp flags?
Answer: 1st Flag - Urgent Pointer. The first flag is the Urgent Pointer flag, as shown in the previous screen shot. ...  2nd Flag - ACKnowledgement. The ACKnowledgement flag is used to acknowledge the successful receipt of packets. ...  3rd Flag - PUSH. ...  4th Flag - Reset (RST) Flag. ...  5th Flag - SYNchronisation Flag. ...  6th Flag - FIN Flag. ...  Summary.