FIELD: information technology.
SUBSTANCE: invention relates to information security. Method of controlling data flows consists in the fact that distributed information system uses identifiers of authorized data streams by generating them by cryptographic transformation and checking on analysis units. When generating a transmitted data stream on a specific network node, a current identifier Icur, for which cryptographic transformation is used, then recorded in IP packet of transmitted data stream formed current identifier Icur, response identifier Ires is generated, for which cryptographic transformation is used in reverse order. After receiving the data stream, a response identifier Ires and comparing obtained values with previously stored current identifier Icur, correcting the switching table in case of mismatch values separated from the response and current identifiers, then, using new parameters of network interaction, blocking this data stream, and if match continues its transfer.
EFFECT: technical result is wider range of means.
2 cl, 4 dwg
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Authors
Dates
2019-12-25—Published
2019-06-17—Filed