This program automatically saves your DNS queries so that the next time you visit a site, your computer looks it up in the local Dnsmasq cache instead of wasting time going to DNS. This can save as much as 50 percent of your DNS lookup time. Where Hosts files really shine is by letting you block ads, spyware sites, malware sites, and tracking sites.
It does this by blocking your computer from connecting to annoying sites. Specifically, you can list the sites you never want to visit in the Hosts file and give them the loopback address of What happens then is when a site, email, or what-have-you tries to steer you to a dodgy address, the Hosts file bounces it back and you're kept from going to the questionable domain.
Now you may ask yourself "how do you know which sites to avoid? Fortunately, there are three host files ready to go, which include a large list of known ads servers, tracking cookies sites, and other web locations you'll want to avoid.
There's also the Hosts File Project , but unlike the others, which are frequently updated, Hosts File Project file hasn't been updated in over a year. To use any of these, you must first make a backup of your existing Hosts file. On some operating systems you may not have one. I typically rename my existing file hosts. You then create a file named "hosts". You never use an extension with the name, such as hosts.
Where you put your new and improved hosts file depends on your operating system and its version. There are several ways to do this.
With the others, you simply copy and paste their master hosts file to the appropriate destination on your computer. To do this, login with an administrative account and click Start, Run and type " services. On a windows network all machines have a name computer or host name , and an address IP Address.
You may also find the computer name referred to as the Netbios name as well the host name. The netbios name arises from the fact that early Microsoft networks used the netbios networking protocols which required all devices to a have a unique name. The host name can be used instead of the computer IP address by using the hosts file to map the name to an IP address.
To find the host name of a machine type the command hostname and a command prompt. Windows and Linux. Note: It may be hidden so will need to enable view hidden files to see it.
In addition, you may not be able to save it unless you have opened it as an administrator. Take look at this article for a guide. Here is the basic default host file taken from my PC. It comes with all Windows machines. Most systems have a single default entry for the local host being mapped to the When you enter a network name into a browser bar,command line etc as shown in the simple ping command line below:. This is known as the name resolution process.
See understanding the name resolution process. Note on Windows machines windows 10,8,7,XP etc changing the name resolution order is done using registry settings. See this article. However if I edit the host file, and create an entry for www. Viruses and malware can modify the hosts file to try to redirect your computer to malicious websites. Damaged windows system files can cause a variety of issues playing games, and should be repaired to prevent problems.
Skip to Main Content. Overwatch League. Log In. My Tickets. Contact Support. Relevant Products:. Open the hosts file with a text editor such as Notepad. Hosts will not have a file extension. Compare your hosts file with the Microsoft defaults listed below. If yours is different, it has been modified.
Remove any lines that contain Blizzard URLs or addresses. I often need a vacation after I get back from vacation Join our mailing list to receive news, tips, strategies, and inspiration you need to grow your business. Our Sales and Support teams are available 24 hours by phone or e-mail to assist. Search Search. What is a Hosts File? We have added the curly brackets around each entry in the hosts file belwo to better define each section.
The first section denotes the IP address where a request will be redirected to. The second section designates the location that we want to redirect a request from.
The third section specifies a comment for the entry. Each entry is usually separated by a space or a tab. Why is a Hosts File Useful? Where is the Hosts File Located? What Does a Hosts File Contain?
Modifications to this file will be overwritten. This file contains the mappings of IP addresses to host names. Each entry should be kept on an individual line. The IP address should be placed in the first column followed by the corresponding host name. The IP address and the host name should be separated by at least one space. That means instead of checking your local hosts file or even your DNS resolver. This behavior guarantees that the website displayed points to the IP address that the Internet sees as authoritative for that domain.
There are two primary ways to avoid this behavior while testing your new site. First, use a different browser.
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