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We call it brilliant made simple. The router determines which computer the information should be forwarded to and sends it. If the information is not intended for any computer on your network, the data is discarded.
This keeps any unwanted or harmful information from accessing or damaging your network. A firewall is a device that sits between your computer and the Internet that prevents unauthorized access to or from your network. A firewall can be a computer using firewall software or a special piece of hardware built specifically to act as a firewall. In most circumstances, a firewall is used to prevent unauthorized Internet users from accessing private networks suchs as corporate LANs and Intranets.
A firewall watches all of the information moving to and from your network and analyzes each piece of data. Each piece of data is checked against a set of criteria that the administrator configures. If any data does not meet the criteria, that data is blocked and discarded. If the data meets the criteria, the data is paased through.. This method is called packet filtering. A firewall can also run specific security functions based on the type of application or type of port that is being used.
For example, a firewall can be configured to work with an FTP or Telnet server. Or a firewall can be configured to work with specific UDP or TCP ports to allow certain applications or games to work. Local Area Networking LAN is the term used when connecting several computers together over a small area such as a building or group of buildings. A LAN is consists of multiple computers connected to each other.
There are many types of media that can connect computers together. Most networks use hardware devices such as hubs or switches that each cable can be connected to in order to continue the connection between computers. A hub simply takes any data arriving through each port and forwards the data to all other ports.
A switch is more sophisticated, in that a switch can determine the port that each piece of data is supposed to be delivered to. A switch minimizes network traffic and speeds up the communication over a network. Networks take some time in order to plan and implement correctly. There are many types of scenarios to consider which could affect the operability of a network.
Some of these issues are discussed in the manual under the. A typical network setup at home as shown above might contain the following devices. For specific information on setting up your network with the DIP please see the Network Setup section on the following page. Consult with your Cable or DSL provider for proper installation of the modem. If you are connecting a laptop computer to your network, install the drivers for the Ethernet Cardbus adapter e. Connect your printer to the printer port on the DIP.
Please refer to the quick installation guide for loading the print server software. The complete setup should look like Fig. Power up the Cable or DSL modem. Power up the D-Link router by connecting the D-Link provided power adapter to the router and to an available power outlet. Now, refer to either the Quick Installation Guide or continue. Then press the. Set up your new password.
You have the option to establish a password. Set up your Time Zone. You have the option to the set standard time for your router. To change the default selection, select the drop down arrow and chose the correct time zone. Select your Internet Connection. You will be prompted to select the type of Internet connection for your router. If you are unsure of which setting to select, please contact your Internet Service Provider.
You can also manually type in the MAC address. What is a MAC address? Note that some computers and peripherals may already include built-in network adapters. You will need to complete all the required fields. Please be sure to remove any existing PPPoE client software installed on your computers. It is recommended that you change the admin password for security purposes. Clicking Help will bring up helpful information regarding the page. Clicking Restart will restart the router.
Necessary for some changes. The WAN settings can be referred to as the Public settings. Select the appropriate option and fill in the information needed to connect to your ISP. This option is commonly used for Cable modem services. Required by some ISPs, for example, Home. Renew IP Forever: this feature enables the DIP to renew the IP address automatically when the lease time is expired even if the system is in an idle state.
Page Virtual Server Virtual Server The firewall filters out unrecognized packets to protect your Intranet; so all computers networked with the DIP are invisible to the outside world. If you wish, you can make some of them accessible by enabling the Virtual Server Mapping.
Page Special Applications If you have not, please refer to your network card manual. Section B. Page Access Control 5. Select Microsoft in the Manufacturers list. Click OK to return to the Network window. Click OK to complete the install procedure.
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