Discuss a means by w hich managers of systems connected to the Internet could have designed their systems to limit or eliminate the damage done by a worm.w hat are the drawbacks of making the change that you suggest ?
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" Firewalls" can be erected between systemsand the Interet.These systems filter the packets moving from one side of them to the other,assuring that only valid packets owned by authorized users are allowed to access the protect sy stems.Such frewalls usually make use
of the systems less convenient (and network connections less efficient ).