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How to change the default IP 127.0.0.1


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bidwan's Avatar
bidwan bidwan is offline
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16-Jul-2008, 01:43 AM #1
How to change the default IP 127.0.0.1
Hello All,

I have a standalone Home PC, which is not connected to any network including the internet. It doesnot even have the network adapters installed.
Now I want to change the default Ip(127.0.0.1) assigned to it.
I have changed the hosts file and rebooted but without any success.
I am in a desparate situation. please help!
johnebadbak's Avatar
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16-Jul-2008, 03:14 AM #2
27.0.0.1 is the standard IP address used for a loopback network connection.

you can't change it. default setting means just that.

you don't have any networking on the pc so why try to change it..
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16-Jul-2008, 03:25 AM #3
The loopback address 127.0.0.1 is practically hard-wired into all NICs. The only way to "get rid of it" is to disable TCP/IP on your system.

PS. The HOSTS file is not used for IP address settings. This is used as a (very) basic form of DNS, which allows someone (whether intentionally or not) to direct sites to other IP addresses. This is used both by certain spyware scanners that restrict known spyware sites from being accessed by redirecting them to the loopback address, and by some forms of spyware that try to stop you from downloading spyware scanners and redirecting you to "false" sites to get personal or financial details.

Last edited by techkid; 16-Jul-2008 at 03:31 AM..
bidwan's Avatar
bidwan bidwan is offline
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16-Jul-2008, 04:03 AM #4
Hello,
Thanks for the responses.. i am running an application which creates problems if my IP is 127.0.0.1.
So I need to change it at ANY cost.
Can you please tell me how to disable TCP/IP ..and incase i disable it what will be my new IP or there will be no IP at all?
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16-Jul-2008, 10:01 PM #5
if your machine has on board nic go into device manager and disable the setting..this may help.
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16-Jul-2008, 10:50 PM #6
You are positive you do not have any Network Cards installed in your computer. None in a PCI slot and none on the motherboard?
Did you accidentally somehow install the Loopback adapter.
bidwan's Avatar
bidwan bidwan is offline
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17-Jul-2008, 04:33 AM #7
Hello All,

I am sure I don't have any N/w cards...How can i check if I somehow installed the Loopback adapter. Where to check? If yes, how to disable it?

I tried by uninstalling TCP/IP. But then my application stops working. the application works with TCP/Ip but the host should have a valid IP address not 127.0.0.1...Wat are options available with me?

Thanks..
avisitor's Avatar
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17-Jul-2008, 06:32 AM #8
Install a Network Card and connect it to a router. You can then have a valid IP.

(Or use the loopback adapter which is harder to configure though.)
WhitPhil's Avatar
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17-Jul-2008, 08:39 AM #9
Or, go into TCP/IP properties, and assign yourself an IP.

Out of curiousity, what is the application that won't run unless there is a (more) "valid" IP.
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