PHP doesn't parse, prompts for download

[Anon]

So close, but yet so far.

My PHP installation is refusing to parse pages. When I try to load a .php page it propmpts me for download (You have chosen to downoad a file of type: application/x-httpd-php...). I'm currently at a loss.

I've built PHP as a loadable apache module (php-4.2.2, apache 1.3.26), I have the LoadModule, AddType, and AddModule lines in my httpd.conf file. When I add the AddModule directive, apache tells me that the module is already loaded.
The server even starts correctly and says that php is loaded
(Apache/1.3.26 (Unix) PHP/4.2.2 mod_ssl/2.8.1
0 OpenSSL/0.9.6b configured -- resuming normal operations).

Any thoughts on this?? Is the AddType sensitive to the context it's placed in in the httpd.conf file? I've put it a bunch of different places, but with no success. Any tips would be appreciated.

[Anon]

After more searching, I found a related bug reported to http://bugs.php.net with ID #18582.

It turns out that files named index.php won't be returned as the default page with at least some browsers. I've only been able to produce this problem with Mozilla 1.0 on RH 7.3 (i386). Loading a URL of type http://www.mydomain.com/stuff/index.php works fine.

Has anyone else seen this?