Why 127.0.0.1

Why is localhost IP Ask Question. Asked 12 years, 2 months ago. Active 4 years, 5 months ago. Viewed 57k times. Improve this question. John T k 25 25 gold badges silver badges bronze badges. Roee Adler Roee Adler 1, 4 4 gold badges 17 17 silver badges 27 27 bronze badges. I'm curious about this too. The IPv6 loopback is , which makes sense to me.

Yes, IPv6's localhost does not raise too many questions : — Roee Adler. I haven't seen a "There's no place like " door mat yet! Wil Compress it to "there's no place like " and you'll get a bit more business. WilliamHilsum expand it to "There's no place like " and charge more. Show 2 more comments. Active Oldest Votes.

Improve this answer. John T John T k 25 25 gold badges silver badges bronze badges. The only reasons I would see them arbitrarily choosing is that it's an easy number to remember , and perhaps they were allowing 16 million host addresses for being able to communicate with itself and itself only like how some programs and Windows components use ports nowadays. The RFCs only really mentioned that it's standard practice for It's quite nebulous as to what they intended for the rest of the block aside from it looping back to the host and never hitting the network, hence my above speculation.

Having all the block addresses reverting to Solaris at least requires an interface to be bound to the destination address for your ping test to succeed.

Add a comment. What is server name identification, really? Encryption technologies play a big role when it comes to surfing on the net. Credit card data and other personal information must not fall into the hands of criminals. For now, TLS is one of the protocols used for this purpose.

But it has a disadvantage: it only functions when each IP address only hosts one domain. If multiple virtual services are With a real estate website, you can set yourself apart from the competition With the right tools, a homepage for tradesmen can be created quickly and legally compliant Why wait? Grab your favorite domain name today! Matching email. SSL certificate. Save now. What is localhost? Exemplary representation of the communication between a web browser and web server within a local computer.

With IPv6, the address is reserved for loopbacks. What is localhost used for? Easy activation. Proven safety. To block websites Localhost also plays a role in the hosts file. If you yourself have not made any file changes, there are probably these two entries left: Related products. View packages. Build a real estate website With a real estate website, you can set yourself apart from the competition Verizon Selling PS5.

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Change the Size of the Touch Keyboard. Check Bluetooth Device Battery Life. Reader Favorites Take Screenshot on Windows. You can also use localhost when you're playing multiplayer games. For example, some games allow you to host a server on your PC so friends can play with you.

Of course, you want to play along, so you need to connect to the server hosted on your own PCgood thing you have the perfect tool for the job! Minecraft is one good example where you might use localhost. You can run the server software on your computer to host a world on your PC, but you still need to connect to it via the Minecraft server browser.

To do this, open the server browser and enter "localhost" or " Minecraft will recognize this and connect to the server running on your PC. Sometimes you'll come across another IP address called 0. However, when you compare them, you'll find that they perform two completely different tasks.

As such, you'll typically enter it when telling the software to connect to a server either via a web browser or a game. When you use 0. There are a handful of useful IP addresses that are handy to know, Now you know what it does, how it works, and when you can use it.

If you want to learn more useful addresses, how about finding out your router's IP address?