TCP Handshake Flashcards
1
Q
Describe tcp handshake procedure.
A
SYN-RECV
SYN-RECV is a state for a TCP connection. TCP is a session-based protocol (compared to UDP which is fire-and-forget), so starting a TCP session requires a 3-way handshake:
Client sends a SYN packet,
Server responds with an ACK packet,
Client responds with a SYN+ACK packet,
The TCP connection enters the “established” mode.
