Microsoft Loopback Adapter Driver for Windows 7 32 bit, Windows 7 64 bit, Windows 10, 8, XP. Uploaded on 4/25/2019, downloaded 2845 times, receiving a 99/100 rating by 1727 users.
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Active1 year, 8 months ago
Just as the question says, what is the Microsoft Loopback Adapter, and as a bonus, what scenerios as a developer would it be useful? I've noticed it's been required when installing a couple of applications to my machine, but aside from guessing, I've never have had a sturdy understanding of it's functionality.
I've read a couple of articles online, but nothing really made me 'get it'. While I don't need a hugely complex answer, a little explaination would be very useful.
Thanks!George
George JohnstonGeorge Johnston24.6k2525 gold badges110110 silver badges167167 bronze badges
4 Answers
Well, the best answer I can give you is a few links.http://en.wikipedia.org/wiki/LoopbackThe key sentence here is
'Any traffic that a computer program sends to the loopback interface is immediately received on the same interface.'
http://www.juniper.net/techpubs/software/erx/erx50x/swconfig-system-basics/html/system-mgmt15.htmlThis may be a little more obscure if you don't know networking well. Free photomax software download.
Basically, it's a fake network interface, useful for tests and stability. In practice, most likely something you'll never have to worry about (or you'd already know about it!)
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Install Loopback Adapter Windows 10
When sending messages to 127.0.0.1 (or the localhost) the internal network driver typically handles this by shortcutting a few steps.
If you have a networksniffer/protocol analyzer like wireshark, it can not see these shortcutted packets.
By using a loopback adapter, the messages get send much further through the stack, enabling programs like wireshark to capture the packets (and enabling you to analyze the packets)
ToadCreate Loopback Adapter Windows 10
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Ms Loopback Adapter Windows 7 Driver
Here's an explanation that might be a bit easier to understand - one I'm working on at the moment.
We (a Bank) are pretty damn secure, as you would expect. One of our third party vendors requires the POS java app that we have to use connect to a 172.x.x.x address. Well, that's not routable.
So we have loopback adapters, one for each of their 172.x.x.x addresses, with the address we will allow as the IP. We then use the 'netsh' command to redirect traffic..
So any traffic that access, for example, 172.1.1.1 will get intercepted by Loopback Adapter #1 and redirected to 10.2.2.2. The pain is having one adapter per address.
Hope that makes it a little clearer.
Jon BiddellJon Biddell
Some software requires some network functionality, even if the machine in question doesn't have network functionality. The loopback is a dummy network driver, which can have real network protocols bound to it. This allows the software to install properly, even though there isn't a real network card installed in the machine.
Loopback Adapter Windows
Aaron MAaron MInstall Ms Loopback Adapter Windows 7
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