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This paper observes different methods for network covert channels constructing and describes the scheme of the packet length covert channel. The countermeasure based on random traffic padding generating is proposed. The capacity of the investigated covert channel is estimated and the relation between parameter of covert channel and counteraction tool is examined. Practical recommendation for using...
Nowadays applications for big data are widely spread since IP networks connect milliards of different devices. On the other hand, there are numerous accidents of information leakage using IP covert channels worldwide. Covert channels based on packet size modification are resistant to traffic encryption, but there are some data transfer schemes that are difficult to detect. Investigation of the technique...
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