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In Mac OS X Server 10.6 Snow Leopard: DNS and Network Services, instructor Sean Colins introduces the networking services available in Snow Leopard Server. This course covers setting up a DNS server to provide network resources, using firewalls to protect systems against intrusion and to route traffic, using DHCP to automatically configure network settings for computers when they join a network, and accessing a network securely via a remote VPN (virtual private network) connection. Exercise files accompany the course.
In this course, we have two computers you will see repeatedly. One is our server which has a gray desktop and the other is our recording machine, which is our client, and it has a blue desktop. You will see us use Apple Remote Desktop to flip back and forth between them in some movies. So please don't be alarmed. That's completely normal. Because this course explores and reconfigures Network Services both on the client and on the server, it's a really good idea to have a monitor and a keyboard, and a mouse hooked up to not only your client machine, but also the server.
Normally, I'd say you don't need to configure your server locally, because we have such robust network tools, but you're learning here and you are likely to configure something somewhere along the way that will make it difficult or impossible to connect remotely to your server. In which case, you'll be slowed down while you hunt down the equipment to hook up to get to a local connection again. In fact, I've purposely included a configuration in this course that will disable communication between the client and server, which we then troubleshoot and correct. You will not be able to follow the troubleshooting steps on your equipment if you don't have a local connection to the server available.
Please remember not to follow this course using a server in a live production environment. In fact, do not do anything in this class on a system that is connected to an existing network. Because we will be enabling DHCP during this class, we will disrupt your other network devices almost certainly when you turn that service on. For our purposes, we used a D-Link wireless router, in fact, the cheapest we could find, because we believe that you will probably go out and try to find the cheapest router you can use as test equipment.
We configured it specifically to have NAT turned on and DHCP turned off in the router. We configured the WAN interface with our public IP address and we configured the LAN interface with the router's address you will see throughout the title, 192.168.12.1. Our server is at address 192.168.12.2. I recommend that you set up your network before you install the server software necessary to follow this course. If your router and cabling are set up correctly before you begin, the entire process of taking this course will be much more productive for you.
If you are not a premium subscriber, you won't have access to the exercise files, but for this course, that only includes saved preferences for Server Admin and a VPN configuration file which I use in the VPN movie later in this course. After you take the course, you can submit questions to firstname.lastname@example.org where I and my team of server experts will be happy to respond to your questions. If you ask something unique and clever, we may ask your permission to post your question and the answer to our technical articles blog, which is available to everyone at www.corequick.com/groups/articles.
You can also find us on Facebook at the www.facebook.com/corequick. Now, get settled in, get your popcorn ready, and let's get started!
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