Stut wrote:
On 18 Sep 2008, at 05:57, David Rocks wrote:
I am running a test PHP web app on my local machine that uses
REMOTE_ADDR and most of the time ::1 is returned as the IP addr and
sometimes it is 127.0.0.1 . I am on OS X 10.5.5 and using APACHE 2.
PHPINFO always returns ::1 for REMOTE_ADDR. Is this a PHP or a APACHE
2 thing?
It's coming from Apache and is correct. ::1 is the same as 127.0.0.1 in
IPv6. Which you get will depend on how you request the page and how your
DNS/hosts file is set up. Request it with an IPv6 domain/IP and
REMOTE_ADDR will also be IPv6.
You should be able to disable IPv6 in your system settings, but from a
future-proof point of view you should be able to handle both.
-Stut
This app uses this test to insure that the page being processed came
from the same machine as was used to login to the app. The app is
intended for broad use so I can't control the use of IPv6. Is localhost
the only case where the value returned might have different values? Can
you point to a reference where I might figure out a better future proof
test?
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