Firewalls White Papers
Analysis of Vulnerabilities in Internet Firewalls
Overview Firewalls protect a trusted network from an untrusted network by filtering traffic according to a specified security policy. A diverse set of firewalls is being used today. As it is infeasible to examine and test each firewall for all possible potential problems, taxonomy is needed to understand firewall vulnerabilities in the context of firewall operations. This paper describes a novel methodology for analyzing vulnerabilities in Internet firewalls. Firewall vulnerability is defined as an error made during firewall design, implementation, or configuration that can be exploited to attack the trusted network that the firewall is supposed to protect. This paper examines firewall internals, and cross reference each firewall operation with causes and effects of weaknesses in that operation, analyzing twenty reported problems with available firewalls.
| Publisher | Purdue University | File Format | |
|---|---|---|---|
| Date Published | January 2003 | ||
| Format | White Papers | ||
| Topics | |||
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