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Redirecting to different server but same domain. I have 2 servers on different hosts. One has domain.com and the other domain.org. domain.org has more resources. Now i want to create a sub domain on the first one (sub.domain.com) and redirect to (sub.domain.org) whiles maintaining the .com in the urls.


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There are only two ways to do this, as far as I know.

To "Genuinely" keep the domain the .com, you'll need to set up a Reverse Proxy. In Apache, this is very easy.

NameVirtualHost *:80
<VirtualHost *:80>
     ServerName sub.yourdomain.com
     ProxyRequests off
     #optimally, use some sort of local URL. Saves bandwidth, faster.
     ProxyPass / http://localhost/
     ProxyPassReverse / http://localhost/
     #alternatively, use the public URL.
     #ProxyPass / http://domain.org/
     #ProxyPassReverse / http://domain.org/

The second way is with an iFrame:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="EN">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Full Page IFrame</title>
<style type="text/css">
html {overflow: auto;}
html, body, div, iframe {margin: 0px; padding: 0px; height: 100%; border: none;}
iframe {display: block; width: 100%; border: none; overflow-y: auto; overflow-x: hidden;}
<iframe id="tree" name="tree" src="`http://domain.org`" frameborder="0" marginheight="0" marginwidth="0" width="100%" height="100%" scrolling="auto"></iframe>

Just know that the iFrame would be less forgiving, since Search Engines would see it differently, if SEO matters to you. Another issue is that if you have SSL, it's a totally different ballgame for both iFrames and Apache. And thirdly, if a user has some sort of web filter blocking stuff on the .org, then it will be blocked on the .com.

The Apache proxy is a better solution, in my opinion, because it puts all the content on one page. However, it would be a little slower if they are on two different servers.

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thanks very much. taking a look at it. – karto Jun 21 '12 at 11:59
how do i set up the reverse proxy? in which file? with ssh? – karto Jun 21 '12 at 13:22
If you have SSH access, it should likely be in the Apache config, at /etc/apache2/sites-available/(site-folder) or you can put it in the httpd.conf file. It just needs to go into the Apache config file for your site, and then don't forget to restart Apache. – ionFish Jun 21 '12 at 13:37

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