“Increasing Firewall Reliability by Recording Routes”

Boshoff and Olivier


Citation information

P. M. Boshoff and M. S. Olivier. “Increasing Firewall Reliability by Recording Routes”. In: Communications and Multimedia Security II. Ed. by P Horster. Chapman & Hall, 1996, pp. 303–314


This paper describes an implementation of an experimental firewall. This firewall differs from conventional firewalls since it takes the route a request has followed through the network into account to decide whether packets should be allowed through or not. This enables an organisation to reduce the possibility of spoofing and, in some cases, avoid the use of untrusted network routes by external clients. The code of the firewall is included.

The firewall is intended for TCP/IP networks. It is implemented on the Linux operating system.

Full text

A pre- or postprint of the publication is available at http://mo.co.za/ask/fw.pdf.
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BibTeX reference

AUTHOR={Paul M Boshoff and Martin S Olivier},
TITLE={Increasing Firewall Reliability by Recording Routes},
EDITOR={P Horster},
BOOKTITLE={Communications and Multimedia Security II},
PUBLISHER={Chapman \& Hall},
YEAR={1996} )

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