Apache Reverse Proxy Support #647
Comments
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Attachment: |
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Duplicates #466. Thanks for the patch, however, it is the responsibility of the reverse proxy to make it transparent for the web site/web application because Piwik doesn’t know if it’s behind one or more reverse proxies, or none at all. For Apache, I suggest using mod_proxy_html (which works now without code changes). Java System Web Proxy Server also takes the URL remapping approach (i.e., content URL rewriting). |
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vipsoft I agree with you that this seems like a bug in the reverse proxy configuration. However if there is a quick fix as the one provided might be worth considering? My question would be: how other softwares like Wordpress or Drupal deal with this problem? javalexG, can you please quickly research and let us know? thanks |
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Thank you for your answer, vipsoft! Anyway, my patch described above is based on solutions for other PHP-based tools installed behind a reverse proxy (sorry, I can’t find links to them anymore). Another (smart) solution is provided by Typo3 (v4.2) and is described here (with a link to bugtracker in a red box): http://www.henningpingel.de/TYPO3-Backend-Via-SSL-Proxy.124.0.html?&L=0 |
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can you please find a link for your source (either wordpress, or typo3, drupal…) and a patch? we would like to add this support but want to get it right which means copy what other softwares did :) |
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There's a simple solution: let the admin set the host or better an URL. I use Apache Roller in a reverse proxy situation. In Roller you can set an absolute URL for your application in the configuration dialogue, which replaces every automatic determined hostname/URL like the above mentioned (HTTP_HOST). If there's no absolute URL set, Roller uses HTTP_HOST. |
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Replying to rafaelo: |
If I install Piwik behind a reverse proxy, I get some problems with the images and javascript URLs created by the tool. Instead of http://piwik.my-domain.com/… (public URL) I get http://piwik.local_network/ (internal URL) generated in front end.
The problem occures with Piwik versions 0.2.32 and 0.2.33.
For configuring reverse proxy I use apache mod_proxy module and this command in VHost configuration on public accessable host:
```
ProxyPass / http://piwik.local_network/
ProxyPassReverse / http://piwik.local_network/
```
and using own VHost on internal server.
Well, the cause is: with this type of installation the`
$SERVER[‘HTTP_HOST’]`variable contains ’piwik.localnetwork’ and not the real host name, which should be like ‘piwik.my-domain.com’.
The (proposed and working) solution is:
1. change lines 114-ff. in core/Url.php as following:
instead of
```
if(isset($SERVER[‘HTTP_HOST’]))
{
$url .= $_SERVER[’HTTPHOST’];
}
else
{
$url .= ‘unknown’;
}
```
use this one:
```
if(isset($SERVER[‘HTTP_X_FORWARDED_HOST’]))
{
$url .= $SERVER[‘HTTP_X_FORWARDED_HOST’];
}
elseif(isset($SERVER[’HTTPHOST’]))
{
$url .= $SERVER[’HTTPHOST’];
}
else
{
$url .= ‘unknown’;
}
```
1. Replace line 181-ff. in plugins/Login/controller.php as following:
after
```
$piwikHost = $SERVER[’HTTPHOST’];
```
add
```
if(isset($SERVER[‘HTTP_X_FORWARDED_HOST’]))
{
$piwikHost = $SERVER[’HTTP_XFORWARDEDHOST’];
}
```
That’s all.
PS:
Patched files are attached.
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