SOFTWARE MAINTENANCE SERVICE PROVIDING SYSTEM, SOFTWARE MAINTENANCE SERVICE METHOD, AND PROGRAM FOR CAUSING COMPUTER TO EXECUTE THE METHOD

摘要

Filtering software (15) is installed into a Web server device (10) of a software user for monitoring input performed by Web client devices (12a to 12c) to server processing software (14) having a trouble such as a security hole and judging whether to reject the input. A judgment rule (16) defining a judgment condition for input rejection or permission to be referenced by the filtering software (15) is acquired via the Internet (13) from a software maintenance service device (11) of a software vendor and incorporated into the filtering software (15), so that its judgment rule (16) is applied to input monitoring by the filtering software (15).