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Measuring and limiting the covert channel risk of XML document transmission

 
: Steinmetz, P.

:

Institute of Electrical and Electronics Engineers -IEEE-:
International Conference on Military Communications and Information Systems, ICMCIS 2015 : 18-19 May 2015, Cracow
Piscataway, NJ: IEEE, 2015
ISBN: 978-8-3934-8485-0 (Print)
ISBN: 978-1-4673-6815-5
S.229-237
International Conference on Military Communications and Information Systems (ICMCIS) <2015, Cracow>
Englisch
Konferenzbeitrag
Fraunhofer FKIE ()

Abstract
This paper discusses the transfer of XML documents from a classified to a less classified or unclassified domain. We describe the risk of unwanted covert data transmission associated with it and propose a guard mechanism to limit the maximum possible data rate of this covert channel. We take the known structure of XML messages used by specific protocols into account. We present a demonstrator implementation of the guard mechanism and show how it can be used to transfer NETCONF management traffic.

: http://publica.fraunhofer.de/dokumente/N-383246.html