Patent ID: 8955095
Filing Date: 2015-02-10
Classification: H04L

Abstract:
1. A method to be practiced on a computer, said method comprising: receiving, by operation of said computer, via a router in a network including said router, a packet from an intruder entity located outside of said network; routing, by operation of said computer, said packet from said router to a network address translator (NAT) within said network, said NAT mapping said packet to a selected virtual port; determining, by operation of said computer, a proper route for said mapped packet and sending said mapped packet within said network and via said proper route to a packet filter; blocking, by operation of said packet filter, simultaneous access by said mapped packet to virtual ports other than said selected port; forwarding, by operation of said computer, said mapped packet within said network to an Internet Services Daemon (ISD) which executes a correct facade service based on said selected port; and by operation of said computer, responding to said mapped packet appropriately by returning, via said router, a response packet to said intruder entity located outside of said network.