| Publisher | Mahasarakham University | ||
|---|---|---|---|
| Format | 294.6KB PDF | Date added | 02 May 2006 |
| Topics | Firewalls, Network Security, Security Tools | ||
| Downloads | 231 | ||
This paper proposes a method to analyze the firewall policy or rule-set using Relational Algebra and Raining 2D-Box Model. It can discover all the anomalies in the firewall rule-set in the format that is usually used by many firewall products such as Cisco Access Control List, IPTABLES, IPCHAINS and Check Point Firewall-1. While the existing analyzing methods consider the anomalies between any two rules in the firewall rule-set, more than two rules are considered together at the same time to discover the anomaly. Therefore all the hidden anomalies can be found in the firewall rule-set. Results from analyzing can be used with the proposed rules-combination method presented in this paper, to minimize the firewall rule without changing the policy.
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