make codeigniter guess $baseurl the correct way

On my server i'm using nginx on port

8081

and apache on port

80

as an internal proxy to nginx.

And i have multiple domains

.org,.com,.net

When i leave the

$base_url

empty in the config code igniter tries to guess the right base url , it shows that the base url is

localhost:8081

instead of

domain.org

domain.com

When i set it manually:

$base_url="domain.com";

It doesn't work when i open the other domains like

domain.org

for example because the

$base_url

is still on the

.com

domain .

Is there any way to make code igniter smarter guessing the right

$base_url

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Majed DH

Answer Source

Thanks Charlotte for the tip.

After some search on the HTTP_HOST server variable i discovered that apache is passing the HTTP_HOST to nginx as localhost:8081.

I use reverse proxy in apache to make the proxy behavior:

ProxyPass / http://localhost:8081/ ProxyPassReverse / http://localhost:8081/

I searched the Documentation of apache and found a directive called ProxyPreserveHost

When enabled, this option will pass the Host: line from the incoming request to the proxied host, instead of the hostname specified in the ProxyPass line.

i enabled it by adding this line:

ProxyPreserveHost On

And it worked , now codeigniter can read HTTP_HOST right and make the $base_url right.

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make codeigniter guess $baseurl the correct way

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