A.User data

B.Receiver's public key

C.Receiver's private key

D.Symmetric key

A.Confirm the degree of damage caused by the security incident and report the security incident

B.Block the behavior of the attack and reduce the impact

C.Revise security policies based on security incidents that occur, enable security auditing

D.Find Trojan horses, illegal authorizations, and system loopholes, and deal with them in a timely manner

A.ASPF is deployed on the firewall and the traffic of the multi-channel protocol is forwarded

B.Security policies are deployed on the firewall and traffic is released

C.NAT Server is deployed on the firewall

D.If the firewall generates a session table, it will generate a Server-map table