APACHE rewrite / redirect URL

Hello.

I have scenario where a Client send request to Server1.
Server1 send request to Server2.
Request are xmlHTTPRequest - need to get data (XML) from Server2 back to client.
Trying to use APACHE proxy...

Anyone can help?
What to download / configure / ...?

Thank you for your help.

What have you tried?

If you want to use apache's proxy, then go for the module. Since you haven't specified the apache version, I will link to version 1.3.