Abstract: A method of filtering outbound Internet traffic includes connecting an appliance to a network (that includes an end user terminal and a router), altering the flow of network traffic to direct the end user terminal to route outbound Internet traffic through the appliance, and filtering the outbound Internet traffic with the appliance. The outbound Internet traffic is traffic to remote servers from the end user terminal. The appliance may alter the flow of network traffic by issuing a gratuitous ARP packet from the appliance to direct the end user terminal to route the outbound Internet traffic through the appliance instead of the router. The appliance may receive the outbound Internet traffic to remote servers from the end user terminal, monitor the outbound Internet traffic, filter the outbound Internet traffic to form allowed packets for the remote servers, and/or forward the allowed packets to the remote servers.

Abstract: A method of filtering outbound Internet traffic includes connecting an appliance to a network (that includes an end user terminal and a router), altering the flow of network traffic to direct the end user terminal to route outbound Internet traffic through the appliance, and filtering the outbound Internet traffic with the appliance. The outbound Internet traffic is traffic to remote servers from the end user terminal. The appliance may alter the flow of network traffic by issuing a gratuitous ARP packet from the appliance to direct the end user terminal to route the outbound Internet traffic through the appliance instead of the router. The appliance may receive the outbound Internet traffic to remote servers from the end user terminal, monitor the outbound Internet traffic, filter the outbound Internet traffic to form allowed packets for the remote servers, and/or forward the allowed packets to the remote servers.

Abstract: A method of configuring an appliance to be a plug-and-play network filter includes the steps of configuring an appliance to alter the flow of network traffic when the appliance is connected to a network. The appliance is configured to change the address resolution protocol ARP so that it assumes the role of a router by issuing an ARP packet. The appliance is configured to establish itself between the router and end user terminals. The appliance is configured to respond to any ARP Request on the Gateway IP address. The appliance is configured to monitor Internet traffic, and filter certain predefined types of Internet traffic. The appliance is configured to transparently proxy web packets on TCP with destination port 80.

Abstract: A method of configuring an appliance to be a plug-and-play network filter includes the steps of configuring an appliance to alter the flow of network traffic when the appliance is connected to a network. The appliance is configured to change the address resolution protocol ARP so that it assumes the role of a router by issuing an ARP packet. The appliance is configured to establish itself between the router and end user terminals. The appliance is configured to respond to any ARP Request on the Gateway IP address. The appliance is configured to monitor Internet traffic, and filter certain predefined types of Internet traffic. The appliance is configured to transparently proxy web packets on TCP with destination port 80.