WEB APPLICATION FIREWALL APPARATUS AND METHOD FOR CLOUD SYSTEM

PURPOSE: A web firewall service device and method in a cloud system are provided to generate and offer a virtual machine (VM) to a subscriber who requested a web firewall service, thereby providing the web firewall service in the form of virtualization in the cloud system. CONSTITUTION: A virtual ro...

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Bibliographische Detailangaben
1. Verfasser:	KIM, CHIN PONG
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY PHYSICS TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	PURPOSE: A web firewall service device and method in a cloud system are provided to generate and offer a virtual machine (VM) to a subscriber who requested a web firewall service, thereby providing the web firewall service in the form of virtualization in the cloud system. CONSTITUTION: A virtual router (310) receives a packet through a predetermined public internet protocol (IP) address. The virtual router transmits the packet through a first private IP address and a first port assigned for each user. Each of virtual web proxy servers (320-1,320-2) blocks or verifies the packet port-forwarded through the first private IP address and the first port. Each of the virtual web proxy servers transmits the packet through a second private IP address and a second port corresponding to the first port. Each of web servers (330-1,330-2) receives the packet port-forwarded through the second private IP address and the second port. Each of the web servers provides a web service. [Reference numerals] (310) Virtual router; (330-1) Web server 1; (330-2) Web server 2; (AA) Port forwarding