Apache is not working behind the router

"kimiraikkonen" <kimiraikkonen85 RemoveThis @gmail.com> wrote in message
news:3c063129-2c3d-4e1c-aeff-6554b1ded791@72g2000hsu.googlegroups.com...
>
> Sorry, there's misunderstanding, i meant, after i installed Apache ,it
> was set to Listen 127.0.0.1:80 "by default" . Then i need to change it
> to Listen 80 to get access from WAN.
>
> I just wonder why it was set to Listen 127.0.0.1:80 by default instead
> of accepting all incoming connections as stated in official Apache
> documentation.

If you had downloaded a version of apache from www.apache.org, you would
find the configured defaults to bin in agreement with the official
documentation.
Apache is distributed by a variety of different channels, not many of them
stick to the original defaults.