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1. bartmoss
   Member
   Posted 3 years ago #

   Hi Guys,

   I want to run wordpress behind a reverse proxy. Setup will be:

   http://www.example.com:80 (proxy)
   --> accesses localhost:12345 (wordpress).

   WordPress automatically redirects to localhost:12345 after the initial setup, this is easily fixed by editing the url/hostname in the mysql database. However, now it will do redirects to itself in an endless loop. I understand why this happens (wordpress will see the localhost:12345 in the http get request and say "hey thats not my canonical hostname"); is there an easy way to stop this? I just want wordpress to hand out pages, and let me worry about hitting the right hostname, I know what I am doing. ;-)

   Any help appreciated.

   best wishes
   Nils

2. bartmoss
   Member
   Posted 3 years ago #

   And ProxyPreserveHost On seems to do the trick.

3. lecharabia
   Member
   Posted 3 years ago #

   Hi bartmoss,

   I saw that you resolved your case. I have the same problem and still no resolved.

   Can you help me ?

   Thanks

4. westerfunk
   Member
   Posted 3 years ago #

   DO THIS AT YOUR OWN RISK!

   BACK UP ALL YOUR FILES BEFORE YOU START MANUALLY EDITING THE CODE!

   I have a solution that works, but it requires some extra code. It differentiates between a web client hitting the web server directly (as in most hosting situations) or hitting the web server through a reverse proxy. I wrote this code a year ago for another site I own that runs behind an Apache reverse proxy I run at home.

   I took this code and then added it to a my-hacks.php file I created in the WordPress root directory. Then, I went into the WP-Admin and turned on the my-hacks.php legacy functionality under Settings, Miscellaneous.

   Here's the code:

   <?php
   
   function writeIPAddress() {
   	if (isset($_SERVER['HTTP_X_FORWARDED_FOR']) == '') {
   		return $_SERVER['REMOTE_ADDR'];
   	}
   
   	else {
   		return $_SERVER['HTTP_X_FORWARDED_FOR'];
   	}
   }
   
   ?>

   Then I took the function "writeIPAddress()" specified above and replaced every instance of "$_SERVER['REMOTE_ADDR']" in each PHP file where an IP address is either called for or displayed (such as "comment.php" under the wp-includes folder). Let me know how this works for you.
   --------------------------------------------

   UPDATE:

   I should refine this a bit further ... the only file I had to update was comment.php and there was only one place in the code where I replaced the function.

5. kgopika
   Member
   Posted 2 years ago #

   Well we just added

   if(isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
           $list = explode(',',$_SERVER['HTTP_X_FORWARDED_FOR']);
           $_SERVER['REMOTE_ADDR'] = $list[0];
     }

   to the top of our wp-config.php on kerala online

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