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Network monitoring, access control, and booby traps using TCP Wrappers |
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Source: FreeOS - Posted by Benjamin D. Thomas
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TCP Wrappers is one of the most common methods of access control on your Unix box. A wrapper program 'wraps' around existing daemons and interfaces between clients and the server. Good access control and logging are strong points. In this first part, we introduce you to the concept behind TCP Wrappers. . . .
TCP Wrappers is one of the most common methods of access control on your Unix box. A wrapper program 'wraps' around existing daemons and interfaces between clients and the server. Good access control and logging are strong points. In this first part, we introduce you to the concept behind TCP Wrappers. You could put in a well configured firewall. Though this is quite a complex procedure, it's worth going through the pain. And there will be pain. Putting down your organizational policies and framing rulesets that keep the bad guys out and lets the good guys in, requires a lot of thinking on your part. Experience has taught us to verify our rulesets again and again, because even one slip during the framing of the rulesets can bring the house down. At the end of the day, you'll be the only punching bag around.
Read this full article at FreeOS
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