Networking with Microsoft Windows Vista- P9

Networking with Microsoft Windows Vista- P9: A better solution is to increase the number of computers available. Now thatmachines with fast processors, ample RAM, and massive hard disk space canbe had for just a few hundred dollars, a multiple-machine setup is an affordableproposition for most homes.
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Networking with Microsoft Windows Vista- P9 384 Networking with Microsoft® Windows Vista™ ■ If the host computer connects directly to the Internet but your ISP supplies you with a dynamic IP tip Another way to deter- mine your router’s exter- nal IP address is to navigate to address each time you connect, use any of the free services for deter- the IPCONFIG utility to determine mining your current IP. Here are your current IP address. (That is, two: select Start, All Programs, WhatISMyIP (http:// Accessories, Command Prompt to www.whatismyip.com) 16 get to the command line, type DynDNS (http:// ipconfig, and press Enter.) Make checkip.dyndns.org) note of the IPv4 Address value returned by IPCONFIG (you might need to scroll the output up to see it) and use that address to connect to the Remote Desktop host. ■ If your network uses a router, determine that router’s external IP address by examining the router’s status page. See Chapter 3, “Configuring Your Router,” for the details. When you set up your Remote Desktop connection, you connect to the router, which will then forward your connection (thanks to your efforts in the next section) to the Remote Desktop host. ➔ To learn how to view the status page in some popular routers, see “Checking the Router Sta- tus,” p. 90. Setting Up Port Forwarding If your network uses a router, you need to configure it to forward data sent to the port specified in step 1 to the Remote Desktop host computer. This is port forwarding, and the steps you follow depend on the device. The next few sec- tions show you how to configure port forwarding on some popular routers. Belkin Here are the steps to follow to configure port forwarding on most Belkin routers: 1. Under Firewall, click the Virtual Servers link to display the Virtual Servers page. 2. In the first LAN IP Address text box, type the last three digits of the Remote Desktop host’s IP address. 3. In the Protocol Type list, select TCP.Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. CHAPTER 16 Making Remote Network Connections 385 4. In LAN Port text box, type the Remote Desktop listening port you speci- fied earlier. 5. In Public Port text box, type the Remote Desktop listening port you specified earlier. 6. Activate the Enable check box. Figure 16.11 shows a Belkin router con- figured to forward port 12345 to the computer with the address 192.168.1.110. 16 FIGURE 16.11 On most Belkin routers, use the Virtual Servers page to configure port forwarding. 7. Click Set. The Belkin router applies the new setting. D-Link For most D-Link routers, follow these steps to configure port forwarding: 1. Click the Advanced tab. 2. Click Port Forwarding to open the Port Forwarding Rules page. 3. In the first rule, activate the check box. 4. In the Name text box, type a name for the rule, such as RDP or Remote Desktop. tip If the Remote Desktop ...