I have an old web app that's using Active Server Pages, and I want to run it on my (Intel) Mac. This is basically not a big deal, because you can simply use Microsoft IIS under Parallels.
But I wanted to use IIS only for ASP files, and let Apache handle the rest. And here's how to make sure IIS only handles what it's supposed to:
LoadModule rewrite_module libexec/httpd/mod_rewrite.so
LoadModule proxy_module libexec/httpd/libproxy.so
AddModule mod_rewrite.c
AddModule mod_proxy.c RewriteEngine On
RewriteCond %{REQUEST_URI} .*.asp$
RewriteRule ^/(.*)$ http://1.2.3.4/$1 [P]
where 1.2.3.4 should be the IP of the windows virtual machine.Mac OS X Hints
http://hints.macworld.com/article.php?story=20061005092424485