Protocol Channels

Details Protocol Channels Protocol Channels

2008-09-11

arxiv.org/abs/0809.1949v5

Computer Science

Cryptography and Security

2 pages

Scientific paper

Covert channel techniques are used by attackers to transfer data in a way prohibited by the security policy. There are two main categories of covert channels: timing channels and storage channels. This paper introduces a new storage channel technique called a protocol channel. A protocol channel switches one of at least two protocols to send a bit combination to a destination. The main goal of a protocol channel is that packets containing covert information look equal to all other packets within a network, what makes a protocol channel hard to detect.

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