Let me bring this back to mod_perl for a sec:
>If a CGI script sends out a Location: header that doesn't begin with a
>protocol (like http: or ftp:), then it's an *internal* redirect.
>
>For an internal redirect, the browser never sees the transaction. The
>web server just does a "goto", picking up the new resource, delivering
>the content to the browser AS IF IT WAS THE OLD URL. The browser
>doesn't even know it happened (thus the problem I said earlier about
>relative URLs in the delivered document being broken).
Just for clarification, you are speaking _specifically_ about
non-mod_perl CGIs, correct?
Doing this (via mod_perl):
$r->header_out(Location => '/foo/bar/');
causes an external redirect (REPLY headers being sent to the browser), as in:
glory:tony[1]% telnet www.uswx.com 80
Trying 207.106.24.123...
Connected to sundog.uswx.com.
Escape character is '^]'.
GET /us/wx/PA HTTP/1.0
HTTP/1.0 302 Found
Date: Fri, 09 Feb 2001 14:29:32 GMT
Server: Apache/1.3.9 (Unix) mod_perl/1.21
Location: /us/wx/PA/
Content-Type: text/html
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<HTML><HEAD>
<TITLE>302 Found</TITLE>
</HEAD><BODY>
<H1>Found</H1>
The document has moved <A HREF="/us/wx/PA/">here</A>.<P>
</BODY></HTML>
