AUTOMATIC PROVISIONING OF NETWORK ADDRESS TRANSFORMATION DATA

PROBLEM TO BE SOLVED: To solve trouble relating to firewall constitution. SOLUTION: In a method relating to the present invention, a private host is connected to a private network, and a public host is connected to a public network. The method includes providing automated NAT provision software which, responsive to a message initiated by one of the private host and the public host, consults a security policy associated with the private host to determine whether the communication between the private host and the public host is permissible. The method further includes provisioning automatically, if the consulting indicates that the communication between the private host and the public host is permissible, in a database a second public IP address for address transformation between the private IP address and the second public IP address. COPYRIGHT: (C)2005,JPO&NCIPI