* Thus wrote John Herren ([EMAIL PROTECTED]):
> If I call a pdf file directly, the Acrobat plugin begins to display the 
> file almost immediately. Here is the reponse header for calling the file 
> directly:

> Last-Modified: Thu, 16 Oct 2003 17:08:17 GMT
> ETag: "94174-341fcb-3f8ed081"
> Content-Length: 3416011

I forgot to also mention this:

I'd put a high wager that the pdf has been cached and is being
loaded from the cache instead.

> 
> I wrote a pdf-serving script for anti-leech purposes, and it works fine, 
> except that the acrobat plugin waits for the entire file to come down 
> the pipe before anything is displayed. The mystery for me is that the 
> headers--the important ones anyway--look exactly the same. Dig:
> 
> HTTP/1.1 200 OK
> Date: Thu, 16 Oct 2003 20:44:45 GMT
> Server: Apache/1.3.27 (Unix)  (Red-Hat/Linux) mod_ssl/2.8.12 
> OpenSSL/0.9.6b PHP/4.3.3 mod_perl/1.26
> X-Meta-MSSmartTagsPreventParsing: TRUE
> X-MSSmartTagsPreventParsing: TRUE
> X-Powered-By: PHP/4.3.3
> X-Accelerated-By: PHPA/1.3.3r2
> Accept-Ranges: bytes
> Content-Length: 3416011
> Connection: close
> Content-Type: application/pdf

Notice no Etag, last-modified.  There is no way IE or any browser
can cache this document, it is going to request it all the time.


Curt
-- 
"My PHP key is worn out"

  PHP List stats since 1997: 
          http://zirzow.dyndns.org/html/mlists/

-- 
PHP General Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php

Reply via email to