SIMPLE SECURITY SETTING METHOD AND DEVICE FOR COMMUNICATION NETWORK, AND COMPUTER READABLE RECORDING MEDIUM RECORDED WITH SIMPLE SECURITY SETTING PROGRAM FOR COMMUNICATION NETWORK

摘要

PROBLEM TO BE SOLVED: To provide a simple security setting method for communication network by which only a specific client computer can simply and surely permitted to access a server computer. ;SOLUTION: A server computer 1 refers to an access control table 17 and permits an access request from a client computer 5i. An access permission flag AF(i) to be set up to ON or OFF in accordance with the permission/non- permission of the access request from the computer 5i and turned off if the access request is not received within a prescribed period after being set up to ON and a client address CA(i) received together with the access request within the prescribed period are correspondingly registered in the table 17. When the access request is received within the prescribed time after turning on the flag, a succeeding access request is permitted only to the requesting source computer 5i.;COPYRIGHT: (C)2000,JPO