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127.0.0.1 appeared in my Network?

Hi all,

Just noticed that a 'computer' called 127.0.0.1 has just appeared in my network, using Vista. If I click on it I get an error message saying it can't resolve the address. Bit of googling says that this is actually some sort of feedback loop IP address which always feeds back my own PC, however it's only just appeared and am a bit worried that it's something dodgy. Any suggestions on what it is, why it might have just appeared, and if I should be worried?

Many thanks

Steve

Comments

  • Browntoa
    Browntoa Posts: 49,627
    Part of the Furniture 10,000 Posts Name Dropper Photogenic
    Forumite
    nothing to worry about........its the default address set in the hosts file
    Ex forum ambassador

    Long term forum member
  • stevem999
    stevem999 Posts: 162 Forumite
    Cheers, expected it would be harmless, but really intrigued as to why it has just decided to show itself in my network, but never before?
  • John_Gray
    John_Gray Posts: 5,851
    Part of the Furniture 1,000 Posts Name Dropper Photogenic
    Forumite
    edited 18 June 2011 at 5:57PM
    It's been there all the time - you just haven't noticed it!

    It is what is known as the 'home address' (also 'loopback address').

    Hence the T-shirt slogan: "There's no place like 127.0.0.1"...

    (IPv6 uses 0:0:0:0:0:0:0:1)
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