In the security assessment method, the purpose of the security scan is to scan the target system with a scan analysis evaluation tool to discover related vulnerabilities and prepare for the attack.

Which of the following are multi-user operating systems? (Multiple choice)

HTTP packets are carried by UDP, and the HTTPS protocol is based on TCP three-way handshake. Therefore, HTTPS is relatively secure, and HTTPS is recommended.

The content of intrusion detection covers authorized and unauthorized intrusions. Which of the following is not in the scope of intrusion detection?

Security policy conditions can be divided into multiple fields, such as source address, destination address, source port, destination port, etc. These fields are "and", that is, only information in the packet match all fields, and then hit this policy.