[X4U] Hosting on Dot Mac

Daly Jessup jessup at san.rr.com
Fri Nov 16 04:53:42 PST 2007


At 19 37  +0000 11/13/07, David Ledger wrote:

>>How did you set up a server on your Mac to use a "loopback" address?
>
>I expected it to be 'localhost' but it didn't work. My bookmarked 
>link was 'loopback' and that worked. I havn't used the webserver on 
>my Pb for some time because of the space.
>
>I have an /etc/hosts file which has a
>127.0.0.1       loopback
>entry as I would expect. Maybe everyone doesn't have one. I will 
>have copied it from my G4 which went to OSX at 10.0 beta and 
>probably needed it back then.
>
>'loopback' and 'localhost' _should_ be different, as was until M$ 
>misunderstood it and wrecked it.
>loopback should point to 127.0.0.1 so that access to loopback goes 
>direct and misses out a lot of the IP stack routines. localhost 
>should point to the real IP address of the machine so that access to 
>it goes through all the software to the interface and all the way 
>back. Useful for testing (and a very easy way to get your IP 
>address). When M$ started with their TCP/IP look-sort-of-alike they 
>made them both 127.0.0.1 and it's stuck.

Okay, I sort of follow this, though I'm no Unix admin, that's for 
absolutely sure. But I just had a look at my hosts file, and it has 
only localhost, no loopback.

Daly
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2.33 GHz Intel Core 2 Duo, 3 GB RAM, 24" screen, OS X 10.4.10,
NVIDIA GeForce 7600 GT video, wired Apple mouse and keyboard.


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