FIELD: methods and devices for protecting information, possible use for protecting computer networks from unsanctioned intrusion and access to confidential information.
SUBSTANCE: method is based on processing of network packets, during which inter-network screen originally blocks network packets, initiating new communication sessions with protected network, processing them independently, and in case of correctness of requests, executes forced setup of communication session of sender of network packets and their receiver, and performs transparent retransmission of correct packets.
EFFECT: creation of mechanism usable for detecting unsanctioned scanning of protected network by malefactors, and for preventing distributed deny of service attacks of network services of protected network, decreased energy costs of protection, processing, transfer and storage of confidential information.
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