摘要 |
A simple networks management protocol (SNMP) monitors a network connection status of a network defense appliance, such as firewall. If specific condition is triggered for the packets sent by computer, the network defense appliance is immediately and automatically connected to network switches, and a denial is sent to service command to specified network switch for interrupting the network access service provided for user computer. Independent claims are also included for the following: (1) method for controlling network service; and (2) network security defense appliances.
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