Firewall Operation Packet Filtering Firewall l Stateful Inspection Firewall l Application Proxy Firewall l
Packet Filtering Firewall
Stateful Inspection Firewall
Application Proxy Firewall
Hybrid Firewall l Packet Filtering + Application Proxy Third Generation Firewall Technology ตวอยาง l Raptor Firewall by Symantec l Firewall 1 by Checkpoint l Sidewinder Firewall by Secure Computing l Lucent Brick by Lucent
FIREWALL ARCHITECTURE
Firewall Architectures l l l Screening Router Simple Firewall Multi-Legged firewall Firewall Sandwich Layered Security Architecture
โจทย : การทำงานของ Firewall แตละชนด การโจมต Syn Flood Port Scan UDP Flood Land Attack Fragmentation Packet Session Hijack Web Hacking : Parameter Tempering Sniffer การคาดเดารหสผานเพอเขาระบบ … Packet Filtering Stateful Inspection Application Proxy
โจทย : Firewall Policy l Net. Sec Questions ขอ 15
Firewall product l l l Juniper Cisco Catalyst Firewall Fortigate
Firewall Features l l l Firewall Throughput : Mbps/Gbps VPN Throughput : Mbps Concurrent Sessions : number IPsec VPN Peers : number Interfaces : number of Gigabit Ethernet ports, SFP fiber ports, and Fast Ethernet port Virtual Interfaces (VLANs) : number
Firewall Features l l l Scalability : VPN clustering and load balancing High Availability : Active/Active, Active/Standby Redundant Power : Supported, second power supply optional
Host ไฟรวอลลสำหรบ l l ไฟลวอลลสำหรบ ตวอยาง l l l l Host หรอ Personal Firewall Windows 7 Firewall Zone Alarm Tiny Personal Firewall Norton Personal Firewall Sygate Personal Firewall Conseal PC Firewall VPN-1 Secure Client