Thus, any address within RFC states:. A datagram sent by a higher-level protocol to an address anywhere within this block loops back inside the host. This is ordinarily implemented using only As described in [RFC], Section 3. Finally, in any IPv4 subnet , the lowest address is not usable as it represents the network route.
So the first usable address in the subnet, and therefore the most commonly seen, is A datagram sent by a higher level protocol to an address anywhere within this block should loop back inside the host. As with all IP addresses, defining a synonymous hostname simply makes life easier for human users — and localhost is the alias networking pioneers settled on. Also note that in binary is , the reversed and inverted value of 1 Sign up to join this community.
The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. Who picked What meaning does it have? Ask Question. Asked 8 years, 6 months ago. Active 7 years, 9 months ago. Viewed 3k times. James Graham James Graham 2 2 silver badges 6 6 bronze badges. In fact, it will allow you to access a server hosted on your PC as if you were looking at it via the internet.
This is valuable when you're working with networking software and want to ensure everything runs smoothly before putting it on the internet. For example, let's say you're setting up a server that you want others to connect to in the future. Regardless of if you're using premade software or you're coding the server yourself, you may want to give it a "test run" to ensure it works before letting others connect. To do this, you can run the server on your computer, then connect to it using The server will load in your browser as if you had connected to it via the internet while also barring anyone else from peeking in on your work-in-progress.
You can see this in action in our guide on how to set up your own WAMP server. In the guide, we talk about how to set up and run a WAMP server on your computer. Once it's running, you can then use "localhost" to see your server in your browser without putting it on the internet. 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.
Explanation of the meaning of the IP address The Using this address, our computer, within a traditional LAN network, can contact itself through a program, a network client, or a browser. Through localhost which corresponds to the IP Obviously, this explanation is not sufficient to understand the usefulness of having an I address that actually corresponds to the same machine we are using.
Specifically, we can talk about localhost when a network service webserver is installed on our PC that can also be reached from the same terminal so that we can contact that specific service as if it were any remote network service.
This means that localhost is very useful when we want to test websites without loading them online or we access services that have configuration panels accessible via the web page.
When we install the Plex server on our PC it is configurable via a web interface , loaded in the default browser on the operating system. When this interface is open we are not actually visiting any website, since the server is installed on the same machine: in fact, we are accessing a local server via localhost, using a unique and easily replicable address on any PC since all PCs can use localhost.
To learn more about the use of Plex we can also read ours Complete guide to Plex, the media player with active transcoding.
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