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?

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

View Answer

Answer: C