How to redirect different sub domain requests to different port

Question

I have two applications, one is the www.myexample.com, another is the blog.myexample.com. I am using PHP and Apache.

Now, I want to let w

Answer 1

I use proxy for this type of things.

In my example, I have apache 1.3 running on port 80, but I needed svn repository to run on apache 2.2, and I didn't want to type :82 on the end of the domain every time. So I made proxy redirection on apache 1.3 (port 80):

  ServerName svn.mydomain.com
  ServerAlias svn
  ServerAdmin my@email.com

  
    ProxyPass / http://svn:82/