Câu 11: ECSS: EC-Council Certified Security Specialist v9.0

Firewall protection is provided by different types of firewalls. One of the firewall types works at the session layer of the OSI model, or the TCP layer of TCP/IP, and monitors TCP handshaking between packets to determine whether a requested session is legitimate. This level hides information about the private networks they protect, but they do not filter individual packets. Identify the type of firewall described above.

1. A. Application-Level Firewall
2. B. Stateful Multilayer Inspection Firewall
3. C. Packet Filtering Firewall
4. D. Circuit-Level Gateway Firewall — đáp án hiện tại