Their hosts files contain this mapping for google. So everyone on computer B is stuck without Google until someone updates the hosts file. When that person does update the hosts file, they add another entry to handle Google with the www subdomain. Now everyone on computer B is taken to the correct website whether they visit google.
And everyone on computer A can only visit google. If you're thinking that someone should have just made a central repository to map all IP addresses with all hostnames, that's exactly what happened. Early on, a central hosts file was manually maintained and shared by the Stanford Research Institute. This system lead to the invention of domains and top level domains like. In the end, the humble hosts file and innovators like Elizabeth J. Feinler lead to the invention of the Domain Name System still in use today.
First, open Notepad as an administrator by pressing the Windows key, typing in "notepad", and clicking "Run as administrator":. You won't be able to see any files in this directory because they aren't text documents. To change the file type, click on the dropdown in the bottom right of the Open menu and click on "All Files":. Note that everything is commented out with characters, meaning that nothing is actually being read from the hosts file.
Modern versions of Windows include a sort of DNS system already, so if you visit localhost it'll automatically redirect you to If you're doing some local development and are having problems with localhost, you can just remove the comments from your hosts file:. Then, open PowerShell by pressing the Windows key, searching for "powershell", and clicking "Run as Administrator":. After that, you should be able to visit localhost in your browser and see whatever you're hacking on.
If you're still having issues, try closing your browser completely, then open a new browser window and try again. Even though hosts files have fallen out of favor with newer systems like DNS, they still work for legacy reasons. And hackers have definitely taken advantage of this in the past. What they would do is point a common website like google.
Any image, link, or discussion of nudity. Any behavior that is insulting, rude, vulgar, desecrating, or showing disrespect. Any behavior that appears to violate End user license agreements, including providing product keys or links to pirated software. Unsolicited bulk mail or bulk advertising. Any link to or advocacy of virus, spyware, malware, or phishing sites. Any other inappropriate content or behavior as defined by the Terms of Use or Code of Conduct.
Any image, link, or discussion related to child pornography, child nudity, or other child abuse or exploitation. Details required : characters remaining Cancel Submit. Step 1. Step 4. Details required : characters remaining Cancel Submit 8 people found this reply helpful. Hello, I've been trying to edit my hosts file, but everytime I get the error "the file is open by another program".
This thread is locked. You can follow the question or vote as helpful, but you cannot reply to this thread. I have the same question Report abuse. Details required :. The hosts file is an operating system file on Windows PC that lets you map specific domain names to an IP address.
TXT originally. Windows will use the hosts file each time when connecting over a network using a hostname. The host file is a practical system facility that helps you addressing network modes on your network. Besides, it can help you redirect certain websites.
Now, you may have an overall understanding of the Windows hosts file. What is UNCServer exe? Is safe to remove it? Now, get all these answers from this post.
Did this summary help you? Yes No. Log in Social login does not work in incognito and private browsers. Please log in with your username or email to continue. No account yet? Create an account. Edit this Article. We use cookies to make wikiHow great. By using our site, you agree to our cookie policy. Cookie Settings. Learn why people trust wikiHow. Download Article Explore this Article Steps. Tips and Warnings. Related Articles. Article Summary. Press the Windows key on your keyboard. This opens the Windows menu and the search bar.
Type notepad into the search bar.
0コメント