Covert channels in the TCP/IP protocol suite

Craig H. Rowland

doi:10.5210/fm.v2i5.528

Covert channels in the TCP/IP protocol suite

Craig H. Rowland

DOI: https://doi.org/10.5210/fm.v2i5.528

Keywords: encoding information in a TCP/IP header, manipulation of the IP identification field, initial sequence number field, TCP acknowledge sequence number field bounce, protection, detection, covert_tcp program, article

Abstract

The TCP/IP protocol suite has a number of weaknesses that allow an attacker to leverage techniques in the form of covert channels to surreptitiously pass data in otherwise benign packets. This paper attempts to illustrate these weaknesses in both theoretical and practical examples.

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Published

1997-05-05

How to Cite

Rowland, C. H. (1997). Covert channels in the TCP/IP protocol suite. First Monday, 2(5). https://doi.org/10.5210/fm.v2i5.528

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Volume 2, Number 5 - 5 May 1997

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Articles

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