Windows 7 etc/hosts file entry - forgot what ::1 is for

Posted by Steve on Stack Overflow See other posts from Stack Overflow or by Steve
Published on 2010-03-17T17:22:19Z Indexed on 2010/03/17 17:31 UTC
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iis7

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hosts

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windows-7

Using iis7, windows 7, asp.net 3.5. I have in my hosts file

127.0.0.1 mysite
::1       mysite

I forgot why I added the ::1, but I think it was important. Anyone know what the second line is for? Thanks in advance.

Edit

One more question. What happens if I leave it out? The web site I'm working on doesn't address via IPv6, at least, not that I know of.

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