For me this need typically arises when I connect to a VPN managed by an operator from hell. Anyways, this would be all swell if there wasn't the occasional need for manually specifying DNS servers. Survival of the fittest, I guess, or, Darwin's intelligent design. They generally go through Darwin's resolver library which instead of reading /etc/nf looks up DNS servers via the SystemConfiguration framework backed by configd. The dig and nslookup utilities still read it but most applications use a different mechanism for picking DNS servers when resolving host names. If you have your settings set to DHCP then leave the DNS Servers box completely blank.I'll have to break sad news to you: /etc/nf has been made redundant in Mac OS X. For Automatically configured Network settings: Each of the two DNS servers 212.23.3.100 and 212.23.6.100 should be on its own line in the DNS Servers box. If you have your settings typed in then make sure the DNS entries are completed as above.
If you connect wirelessly click on Airport and click on Configure.If you connect over a cable to a router select Ethernet and click on Configure.Select the option you use to connect to your modem or router. You will then be presented with the Network connections menu. Select Network from the System Preferences menu. Select System Preferences from the Apple menu. DNS servers allow your computer to find which Web server to query for a given Web site, and are an important part of what makes the Internet work. This is important, as Zen's DNS resolver servers have changed to 212.23.3.100 and 212.23.6.100 as of Monday 21st Nov 2005, and the old servers will not be usable as DNS resolver servers after January 2006. This article shows you how to check which DNS servers you have set and how to change them if they are incorrect. Mac OS X - How to check and change your DNS settings Aim of this article:
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