1-4. Basic Security Policy Guidelines
As you plan your security policies and configure your firewall, you should keep several things in mind. Rather than presenting a long treatise on security policies and how to protect against vulnerabilities and attacks, this small section provides a short list of rules of thumb. If you follow these suggestions, you should be able to configure a firewall to provide the best possible protection.
Gather and review firewall logs regularly.
After a firewall is configured, you can easily test to see if it is blocking or permitting access to secured resources according to the correct security policies. However, there is no easy way to watch a denial-of-service or worm attack without seeing a record of traffic being ...
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