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Solaris™ 8 Advanced System Administrator's Guide, Third Edition by Janice Winsor

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Network Security

Networks create an interesting access and security paradox. Users on a network almost always push for freer access to information and files. System administrators almost always push for more restrictive access to information and files so that they can more effectively monitor use and secure access to sensitive information.

Network security is usually based on limiting or blocking operations from remote systems.

Network security comprises three aspects: firewall, authentication, and authorization.

Firewall Systems

The purpose of creating a firewall network security system is to ensure that all of the communication between a local network and an external network conforms to your local network security policy. A network security ...

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