How to point one domain to deep page of another domain with apache or htaccess

Question

I have two domains (a.com and b.com) and a.com is running on my apache server. I want web browsers that try to visit b.com to end up at a.com/?b (transparently, no redirect, and no second virtual host if possible).

I see that within the virtual host config i can rewrite (as shown here) but it's not clear and there are no examples.

Can someone propose the simplest way to solve this, ideally without another virtual host?

UPDATE:

I'm trying to solve it something like this. I think I'm close but a bit lost:

<virtualhost XXX.XXX.XXX.XXX:80>
        ServerName   a.com
        ServerAlias  b.com
        RewriteEngine On
        RewriteCond %{HTTP_HOST} (.*)\b\.com
        RewriteRule ^(.*) http://%1a.com/?b [L]
</VirtualHost>

Somebody has to set up a virtual host for this, whether you or someone else. — Michael Hampton, Nov 23 '18 at 16:28
Is it possible to share the same virtual host as a.com ? And if so, how would I direct to the right page? — TSG, Nov 23 '18 at 17:13
Yes, but it makes your setup much more complicated. Just make a new virtual host. It's simple, easy and fast. — Michael Hampton, Nov 23 '18 at 17:19
Would I need to redirect (eg 301) if I use a new virtual host? I want this to be transparent — TSG, Nov 23 '18 at 17:25

Dmitriy Kupch · Answer 1 · 2018-11-23T16:04:41.753

0

You could use Reverse HTTP proxy configuration on your apache server. Check this out

Your http server will be essentially serving content of another server. e.g.:

<VirtualHost *:*>
    ProxyPreserveHost On
    ProxyPass / http://a.com:8080/
    ProxyPassReverse / http://a.com:8080/
    ServerName b.com
</VirtualHost>

edited Nov 23 '18 at 16:04

answered Nov 23 '18 at 14:53

Dmitriy Kupch

471
2
6

And it will need a virtualhost, just what the OP doesn't want. – Gerald Schneider Nov 23 '18 at 14:55
There is nothing bad with virtualhost, in this case it will not redirect the client, your webserver will essentially be able to serve clients requests in the following fashion. Cllient --> Your server A (Server A connects to server B for content) --> ServerB, Server B responds to server A, then the content is provided to the client by Server A. So in the headers clients will see only ServerA's IP. – Dmitriy Kupch Nov 23 '18 at 15:00

How to point one domain to deep page of another domain with apache or htaccess

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