TAILIEUCHUNG - Circuit & Application Level Gateways

Also called a Proxy Firewall Acts as a relay for application level traffic Typical applications: Telnet FTP SMTP HTTP More secure than packet filters Bad packets won't get through the gateway Only has to deal with application level packets Simplifies rules needed in packet filter | Circuit & Application Level Gateways CS-431 Dick Steflik Application Level Gateways Also called a Proxy Firewall Acts as a relay for application level traffic Typical applications: Telnet FTP SMTP HTTP More secure than packet filters Bad packets won't get through the gateway Only has to deal with application level packets Simplifies rules needed in packet filter Client connects Gateway does in depth inspection of the application level packet, if connection meets criteria on the gateway rule base packet will be proxied to the server Proxy firewall is directly between the client and the server on an application by application basis ALG Use Many application clients can be configured to use a specific ALG (proxy) by the end user Firefox-Options-Advanced-Network-Connections-Proxy WS/FTP-Connect-Firewall-Proxy Router can be set to forward all application packets to specific proxy Benefit is all user traffic is forced to a proxy User cannot bypass the proxy Additional ALG Benefits Privacy .

• An ninh - Bảo mật
• Proxy Firewall
• Application Level Gateways
• Network security
• attack techniques
• defensive techniques
• operating system security
• application security
• security policy
• Hệ thống Firewall
• an toàn thông tin
• thiết lập proxy
• dịch vụ SMTP
• các kiểu tấn công
• dịch vụ internet
• An ninh – Bảo mật
• Đồ họa – Thiết kế Flash
• Tin học văn phòng
• Quản trị mạng
• Tin học
• Tiểu luận
• công nghệ Web Service
• môi trường Internet
• ứng dụng phân tán
• Firewall
• Proxy Server
• dịch vụ B2B
• Vượt qua tường lửa
• thông tin mạng
• bảo mật thông tin
• tự học tin học
• tìm hiểu tường lửa
• Network Security Fundamentals
• Guide to Network Security Fundamentals
• Information security
• Security policy cycle
• Risk identification
• Designing security
• Microsoft networks
• Security design
• Acceptable use policy
• Security policy checklist
• Windows Server 2008
• kỹ thuật viên tin học
• Local Policy
• Local Sercurity Policy
• ứng dụng Group Policy
• Local Security Policy
• hệ thống mạng
• tài liệu học quản trị mạng
• cách làm local security policy
• hệ điều hành
• Windows 7
• Policy
• Local User
• Wireless
• Wireless Network Security
• International Journal of computer science & communication networks
• Information security policy
• Protecting the companys assets
• Integrity and availability
• children
• enviroment
• security
• safety
• Rand
• Security Standpoint
• TCP IP
• Security PerspectiveUpper Layers
• Cryptography
• security mechanisms
• Network Security Protocols
• PHP Security
• Data security
• Lecture Data security and encryption
• Mã hóa dữ liệu
• Bảo mật dữ liệu
• IPSec security framework
• IPSec security policy
• Summary of doctoral thesis
• Doctoral summary of History
• Social security policy
• Social security
• Social security in Dien Bien province
• Obtaining food security
• Obtaining food security in Vietnam
• Costs of obtaining food security
• Obtaining food
• Draws policy recommendations
• Security Service
• data transfers RFC 2828