Windows hosts file format

To prepare for this activity: Activity 1 - View the hosts File[ edit ] To view the hosts file: Open the Start menu. In the Run box, type Notepad.

Windows hosts file format

You do not require a program to run the Hosts file. It boots with the computer, and is already working for you. Hosts file overrides the DNS settings of the websites mentioned in it on that computer. How does the Hosts file Work Before be understand the working of Hosts file, we need to know about All three of the following addresses — Any number of websites mapped to any of these IP addresses in the Hosts file redirect to your computer itself, which is the local host.

The Hosts file works in two ways. Blocking Domains Redirecting Domains 1. Blocking Domains Type one of the three IP addresses mentioned in the previous section. Next, give a space or a tab, and then type the website domain name that you want to block. Now, when you type and enter that domain name into the URL bar of your web browser, it will be mapped to the IP address that you mentioned for it in the Hosts file instead of its original IP address, which is your own computer, the local host.

The web browser makes no outgoing requests from your computer to the Internet. It will not be able to able to access this website, and displays an error message.

Hosts file format - Microsoft Community

Redirecting Domains Using the same method, you can redirect a website to another website. Type the IP address of that website where you want the other website to be redirected to. Next, type the domain name of the website that you are redirecting to the IP address that you just typed.

For Example, if you want to redirect Google. Save the Hosts file. Now, when you type and enter Google. Here is the exact path. Go to the Hosts file directory. Right-click on the hosts file, and click on Properties.

Click Apply, and then OK.

Windows hosts file format

Type notepad to search Notepad application, right-click on the Notepad search result, and then left click Run as administrator to open Notepad with Administrative privileges. You need elevated permissions to edit the Hosts file.

Click the File button in the Notepad Menu bar. Click Open to locate and open the hosts file. In the browse window, go to the hosts file directory. Click on the hosts file, and then click the Open button.

How To Edit Your Hosts File In Windows 7

As you can see, the hosts file is just a text file. Go to the bottom of the hosts file, and type the website names in the proper format to block them. I have added the last three entries about the Phozeca website.

When you have added the websites that you want to block, click on the File button in the Menu bar, and then click Save to save the hosts file.

Windows hosts file format

Close the Notepad window. Your hosts file has been saved. Now, go to back the Hosts file directory. Tick the Read-only checkbox. The changes have been implemented.Pasted below this question is a sample of a /etc/hosts file from a Linux (CentOS) and a Windows machine.

What is a HOSTS file?

The Linux file has two tabbed entries after the IP address (that is attheheels.comomain localhost) and Windows has only one. See ~/.ssh/known_hosts below for more explanation or see sshd(8) for further details of the format of this file. /etc/ssh/sshrc [ edit ] This file resides on the server and programs in this file are executed there by ssh(1) when the user logs in, just before the user's shell or designated program is started.

The format of the hosts file is single lines of 5 white space separated fields, one line per host: This is especially a problem on Windows systems using WINS for hostname lookups, instead of DNS. (DNS is better) With negative caching enabled to e.g. seconds, a bad hostname lookup will be remembered, causing similar lookups for the same.

In this tutorial we will look at how you can edit your hosts file in Windows 7. The process is pretty straight, and you can use this tutorial to do the same in Windows XP or Windows Vista.

Modifying your hosts file enables you to override the domain name system (DNS) for a domain on a specific machine. DNS management is useful when you want to test your site without the test link prior to going live with SSL, verify that an alias site works prior to DNS changes, and for other DNS.

Hosts file is basically a text file buried deep inside your computer’s Windows folder, but you won’t find extension next to its name. You can see the file by navigating to the path given below.

Using wildcards in names in Windows hosts file - Super User