| Publisher | DePaul University | ||
|---|---|---|---|
| Format | 301.2KB PDF | Date added | 28 Dec 2005 |
| Topics | Network Security, Security Management | ||
| Downloads | 27 | ||
Network security polices are essential elements in Internet security devices that provide traffic filtering, integrity, confidentiality and authentication. Network security perimeter devices such as firewalls, IPSec and IDS/IPS devices operate based on locally configured policies. However, configuring network security policies remains a complex and error-prone task due to the rule-dependency semantics, and the interaction between policies in the network. This complexity is likely to increase as the network size increases. A successful deployment of a network security system requires global analysis of policy configurations of all network security devices in order to avoid policy conflicts and inconsistency. Policy conflicts may cause serious security breaches and network vulnerability such as blocking legitimate traffic, permitting unwanted traffic, and insecure data transmission.
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