16th Annual Computer Security Applications Conference
December 11-15, 2000
New Orleans, Louisiana

Using Operating System Wrappers to Increase the Resiliency of Commercial Firewalls

Jeremy Epstein & Linda Thomas
webMethods, Inc.

Eric Monteith
NAI Labs

Operating system wrappers technology provides a means for providing fine grained controls on the operation of applications software. Application proxy firewalls can gain from this technology by wrapping the proxies, thus preventing bugs (or malicious software) in the proxy from subverting the intent of the firewall. This paper describes several experiments we performed with wrappers and firewalls, using several different firewalls and types of wrappers.

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