In stateful inspection firewall, when opening state detection mechanism, three-way handshake’s second packet (SYN + ACK) arrives the firewall. If there is still no corresponding session table on the firewall, then which of the following statement is correct?
A . If the firewall security policy allows packets through, then the packets can pass through the firewall
B . If the firewall security policy allows packets through, then creating the session table
C . packets must not pass through the firewall
D . packets must pass through the firewall, and establishes a session table
Answer: C