Patent ID: 6643778
Filing Date: 2003-11-04
Classification: H04L

Abstract:
A network system using a firewall dynamic control method, comprising:a first Intranet and a second Intranet connected to each other with the internet as a base; a first dynamic proxy server for forming a firewall to protect said first Intranet; a second dynamic proxy server for forming a firewall to protect said second Intranet; a remote access terminal connected to said first Intranet: a first object directory server provided within said first Intranet for judging whether a service requested by said remote access terminal is provided in said first Intranet or is provided in said second Intranet; and a second object directory server provided within said second Intranet to dynamically install a service proxy in said second dynamic proxy server when said service is provided in said second Intranet; wherein said first object directory server comprises a first local site reference section that stores services provided in said first Intranet and a remote site reference section that makes requests for searches of services provided in said second Intranet to said second dynamic proxy server.