Patent ID: 7281264
Filing Date: 2007-10-09
Classification: G06F

Abstract:
1. A security system for a plug-and-play device for use in a client/server architecture, comprising: a server to send a lock message and an unlock message; a network system; and at least one network client coupled to the server via the network system and having a monitor program for receiving the lock message and the unlock message through the network system, locking a connection port of the network client used to connect to a plug-and-play device, thereby locking the plug-and-play device if the lock message is received, unlocking the connection port connected to the plug-and-play device if the unlock message is received, checking whether the plug-and-play device matches a locked device if the plug-and-play device is removed from the client, unlocking the connection port if the plug-and-play device is removed from the client and is checked as locked, wherein the network client further includes a lock flag, and the monitor program further updates a state of the lock flag when the lock message is received by the network client, and checks the state of the lock flag and locks the plug-and-play device according to the lock flag when the network client is rebooted.