How to setup free dynamic DNS for remote access to your PC如何安裝免費的動態DNS為遠程訪問到您的PC

Posted on May 19, 2008 at 5:19 am張貼於2008年5月19日在上午05時19分

What is Dynamic DNS you might be asking? 什麼是動態DNS ，你可能會問？ Basically, dynamic DNS is a service provided by third-party providers in which a clients’ constantly changing IP address is kept track of and DNS servers are updated with the new IP address automatically.基本上，動態DNS是一個提供服務的第三方供應商在一個客戶不斷變化的IP地址是不斷跟踪和DNS服務器的更新與新的IP地址自動。 If you have a broadband Internet connection, you more than likely have a dynamic IP address.如果您有寬帶互聯網連接，您以上的可能有一個動態的IP地址。

A dynamic IP address is one that changes every so often, as compared to a static IP address, which never changes.一個動態的IP地址是一個變化，每一個經常，相比一個靜態IP地址，從來沒有改變。 Normally, a changing IP address does not cause any significant problem until you try to connect to your home computer from outside of your home network.通常，一個不斷變化的IP地址並不會造成任何重大問題，直到您嘗試連接到您家裡的電腦從不在您的家庭網絡。 With a constantly changing IP address, you will never be able to find your computer on the Internet.與不斷變化的IP地址，您將永遠無法找到您的電腦在互聯網上。

So why would you want to find your computer on the Internet in the first place?那麼，為何將您想要尋找您的計算機在因特網上擺在首位？ Well there are several reasons why it’s good to know your IP address:良好的原因有好幾個，它的好，知道自己的IP地址：

1. Connect to your computer via Remote Desktop Connection and access your files 1 。連接到您的計算機通過遠程桌面連接，並訪問您的文件

2. Stream audio and video from your home media server to any location in the world 2 。流音頻和視頻從您的家庭媒體服務器的任何位置，在世界上

3. Setup your own FTP server or web server on your home PC 3 。設置自己的FTP服務器或網絡服務器上您的家用PC

There are many more reasons why it could be useful to know your IP address.還有很多原因，可能是有用的知道您的IP地址。 So why doesn’t everyone have a static IP address?因此，為什麼不大家有一個靜態IP地址是什麼？ Well, it’s basically a lot cheaper for Internet service providers to keep rotating IP addresses to their clients.那麼，它基本上是有很多便宜的互聯網服務提供商不斷旋轉的IP地址，以他們的客戶。 If you want a static IP address, you will have to pay an extra monthly charge.如果您想要一個靜態IP地址，你將要付出額外的每月收費。

Dynamic DNS動態DNS

That’s where dynamic DNS comes into play.這也就是動態DNS生效發揮。 Using this service, you can theoretically create a static IP address for your home computer.使用這項服務，您可以在理論上建立一個靜態IP地址為您的家用計算機。 Here’s how it works.這裡的如何運作。 When you visit any web site on the Internet, you can either type in the IP address or you can enter in the domain name, like Online-Tech-Tips.com.當您訪問任何網站在互聯網上，您可以在兩種類型的IP地址或您可以輸入在網域名稱，如在線科技tips.com 。 There are DNS servers all over the world that keep track of which names correspond to which numeric IP addresses.有DNS伺服器世界各地都保持軌道的姓名相符，其中數字型IP地址。

When you come to Online-Tech-Tips.com, your Windows computer first looks up the IP address from a DNS server and then requests the site.當您來在線科技tips.com ，您的Windows計算機首先查找IP地址由DNS伺服器，然後請求該網站。 This is great for servers that have static IP addresses that never change, but it’s not well-suited for servers that are on home broadband connections.這是偉大的服務器有靜態IP地址的表示，決不會改變，但並不是非常適合的服務器是對家庭寬帶連接。 This means that your server is constantly “moving” on the Internet and it messes up the one-to-one relationship between domain names and IP addresses.這就是說，您的服務器是不斷“移動”在互聯網上和它的餐廳了一對一的關係，域名和IP地址。

The solution to setup dynamic DNS, whereby your server keeps track of what its current IP address is, and notifies the DNS provider whenever it changes.解決安裝動態DNS ，讓您的服務器會持續追踪其目前的IP位址，並通知供應商的DNS的時候改變。 In this way, you can give your home computer or server a virtual static IP address.在這種方式，您可以讓您的家庭計算機或服務器虛擬的靜態IP地址。 When connecting to your computer, you would either type in the domain name or you would ping the domain name to find the current IP address.當連接到您的電腦上，將兩種類型，在網域名稱，或者您會平的網域名稱找到目前的IP地址。

動態DNS服務器
Image Source:圖片來源： Ars Technica亞美尼亞救濟協會technica

Here’sa quick overview of how dynamic DNS service works in a real example.這裡的快速總覽如何動態DNS服務工程，在真實的例子。 The dynamic DNS client can be considered your home PC or server and the SOHO Firewall/NAT appliance is your cable modem or router.動態DNS客戶端可以考慮您的個人電腦或伺服器和蘇豪防火牆/ NAT設備是您的電纜調製解調器或路由器。

How to setup Dynamic DNS如何設置動態DNS

動態DNS

The cool thing is that there are free dynamic DNS services that you can use to set all of this up.酷的事情是，有免費的動態DNS服務，您可以使用設置這一切。 My favorite by far is DynDNS, a free service which allows you to create a hostname that points to your dynamic IP or static IP address or URL.我最喜愛的遠遠是dyndns ，一項免費的服務，它可以讓您創建一個主機點到您的動態IP或靜態IP地址或URL 。

Step 1 : Create an account with 第1步 ：創建一個帳戶 DynDNS dyndns and then login with your username and password once you receive the authentication email.然後登錄與您的用戶名和密碼，一旦您收到驗證電子郵件。

Step 2 : On the Account Services page, click on Add Host Services and then Add Dynamic DNS Host . 第2步 ：該帳戶的服務頁，點擊添加主機服務，然後添加動態DNS主機 。

Step 3 : You’ll get to pick from about 88 domain names, including blogdns.com, gotdns.com, is-a-geek.com, and more. 第3步 ：您將得到回升，從約88域名，包括blogdns.com ， gotdns.com ，是一geek.com ，和更多。 Pick a domain name and then come up with a sub-domain, so you have a unique domain name like aseem.blogdns.com or akishore.is-a-geek.com.選擇一個域名，然後拿出一個子網域，所以你有一個獨特的域名一樣， aseem.blogdns.com或akishore.is -一- geek.com 。 You will use this hostname to access your server or home computer.您將使用此主機訪問您的服務器或家用電腦。 Leave the IP address field blank.離開IP地址領域的空白。

dyndns

Step 4 : Download the 第4步 ：下載 DynDNS client tool dyndns客戶端工具 onto your computer or server.到您的電腦或伺服器。 This piece of software is what will automatically check to see if your computer has a new IP address and if so, will notify the DNS servers of the new IP address.這片是什麼軟件會自動檢查，以查看如果您的電腦有一個新的IP地址如有的話，會通知DNS伺服器的新的IP地址。 Always keep it running in the background and you’ll always be able to access your computer.始終保持它在後台運行，您將可以隨時訪問您的計算機。

How this helps you to如何幫助您 setup remote desktop 安裝遠程桌面 even if you have a dynamic IP address or甚至如果你有一個動態的IP地址或 setup an FTP server 安裝FTP伺服器 or Web server.或Web服務器。 Enjoy!享受！

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