DATA CONVERSION APPARATUS, DATA CONVERSION SYSTEM, CONTROL METHOD FOR DATA CONVERSION APPARATUS, METHOD FOR ADDING DATA CONVERSION FUNCTION, PROGRAM, AND RECORDING MEDIUM

摘要

PROBLEM TO BE SOLVED: To allow a data conversion apparatus, which is not compatible with communication over firewall and converts received data, easily cope with the communication over firewall.;SOLUTION: The data conversion apparatus 20, which converts data received from a network connectable information processor 10 over a firewall 50, is provided with: a first data conversion function section 21 which listens to a first port of which use is not permitted in the firewall 50, and performs specific data conversion upon data received by that port regardless of a format of those data; and a second data conversion function section 22 which listens to a second port of which use is permitted in the firewall 50, performs data conversion, upon data received by that port, into a format that the second data conversion function section 21 can handle, and loops the data back to the first port.;COPYRIGHT: (C)2007,JPO&INPIT