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Internet firewall

Introduction


The moment a computer is attached to the internet it is possible for any number of users on the net to make connections to it. Not everyone has good intentions. This simple internet firewall is meant for those wanting contact to the internet but have an uncomplicated set of services to offer to others. I would imagine this covers more than 90% of all internet servers.

1. Principles

2. Input deny

3. Masquerading

4. Forwarding

5. Dynamic ip addresses

6. Static ip addresses

7. The executable script


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