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Brick is the firewall and VPN management system distributed by Lucent. It is a hardware/firmware solution. It has been reported that Brick systems may be forced into terminating communication with specific systems. By binding the IP address of a specific system to a different system and pinging the Brick with the specified IP address, the Brick will update it's ARP cache. Upon updating the cache, the Brick terminates communication with the system legitimately using the IP address.

Brick is the firewall and VPN management system distributed by Lucent. It is a hardware/firmware solution. It has been reported that Brick systems may be forced into terminating communication with specific systems. By binding the IP address of a specific system to a different system and pinging the Brick with the specified IP address, the Brick will update it's ARP cache. Upon updating the cache, the Brick terminates communication with the system legitimately using the IP address.