Re: How to find callers local IP address?

You can not access a request's internal IP with PHP. Maybe you can
configure the switch to pass the IP as a parameter in the action URL.

On Sun, Mar 20, 2022 at 6:03 PM Hans Åhlin <[email protected]>
wrote:

> 'SERVER_ADDR'
> The IP address of the server under which the current script is executing.
>
> https://www.php.net/manual/en/reserved.variables.server.php
>
> MvH / Hans Åhlin
>
>
>
> Den sön 20 mars 2022 23:00Hans Åhlin <[email protected]> skrev:
>
>> 'SERVER_ADDR'
>> The IP address of the server under which the current script is executing.
>>
>> https://www.php.net/manual/en/reserved.variables.server.php
>>
>>
>> Den sön 20 mars 2022 08:46Bo Berglund <[email protected]> skrev:
>>
>>> I have a script on my website, which is used to report (by email) state
>>> changes
>>> in home automation power switches.
>>>
>>> It is done by configuring the power switch with an "action URL" to be
>>> hit when a
>>> switch changes state. This works well as far as the switch state
>>> reporting goes.
>>>
>>> But I would like to also get the *internal LAN* IP address of the power
>>> switch
>>> device in my report so I can find it on the network. The IP changes when
>>> I move
>>> it between my locations...
>>>
>>> After googling a bit I have found this code snippet:
>>>
>>> if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
>>>     $ip = $_SERVER['HTTP_CLIENT_IP'];
>>> } elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
>>>     $ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
>>> } else {
>>>     $ip = $_SERVER['REMOTE_ADDR'];
>>> }
>>>
>>> But when I use it in my reporting I am always getting the external
>>> Internet IP
>>> address of my router instead of the IP of the power switch.
>>>
>>> How can I extract the original device's local LAN IP address from which
>>> the call
>>> was sent?
>>>
>>>
>>> --
>>> Bo Berglund
>>> Developer in Sweden
>>>
>>