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Lesson 4. Setting Up Gateway Services

Lesson 4. Setting Up Gateway Services

Lesson FilesNone
TimeThis lesson takes approximately 1 hour to complete.
GoalsUse Gateway Setup Assistant to configure firewall, NAT, and VPN services

User Server Admin to enable, configure, and monitor firewall service

Given a set of firewall rules, determine which rule is applied to a given packet

Use Server Admin to filter IP traffic based on destination IP port and originating address

Use Server Admin to enable, configure, and monitor NAT service

Describe the relationship between IP ports and services on an IP host

Understand and configure VPN services


When setting up any server, you must consider security. This chapter introduces you to several services that permit you to run Mac OS X Server as a gateway to the Internet, while providing secure pathways for users to access information and a wall behind which users can hide, protecting them from the potential hazards of Internet traffic, and stopping unwanted intruders from accessing your server.

Mac OS X Server has a single method of handling these options, but this lesson will delve into why these services are necessary and how to manage them for better performance and security.

The focus is on four main areas:

  • Gateway Setup Assistant configures basic firewall, virtual private network (VPN), network address translation (NAT), and domain name system (DNS) services on Mac OS X Server.

  • A firewall keeps unwanted requests from coming in while insuring only selected requests go out.

  • Network Address Translation allows one public Internet Protocol (IP) address to act on behalf of your entire network.

  • Virtual Private Networking lets computers connect to your Mac OS X server's network securely.

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