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Linux Exposed: Open Source Firewalls Explained

Jul 02, 2003, 10:00 (2 Talkback[s])

"Hackers have computers too and want to keep their own machines free of intrusion from the Internet. Paradoxically, these computers may be the most secure computers on the Internet, because the hackers use free software that they can examine for security problems, they are the first to discover (or create) security weaknesses, and they fix their own systems as soon as loopholes are discovered. They share the security fixes with anyone who wants them, and you can take advantage of this fast response to new threats in your own network by using the same software they do. Hackers have computers too and want to keep their own machines free of intrusion from the Internet. Paradoxically, these computers may be the most secure computers on the Internet, because the hackers use free software that they can examine for security problems, they are the first to discover (or create) security weaknesses, and they fix their own systems as soon as loopholes are discovered. They share the security fixes with anyone who wants them, and you can take advantage of this fast response to new threats in your own network by using the same software they do. Free firewalls often suffer from a few of the same class problems:

"Weak or missing logging and alerting features
No real-time firewall monitoring capability
Weak or missing graphical user interface
Difficult command prompt-based configuration..."

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