Lets Talk Aggregator

[NobleSavage]

Originally Posted by cash29

Most feed aggregators should check for the server's Last-Modified/If-Modified-Since response or even better, its ETag/If-None-Match response. These responses tell you if a feed item has changed since the aggregator last checked it. You can read a little more about these here:
http://diveintopython.org/http_web_s..._features.html

Couldn't a smart spamer alter his server response codes?

[cash29]

Originally Posted by NobleSavage

Couldn't a smart spamer alter his server response codes?

If he can hack on Apache's source code, then yes. Although, this seems somewhat unlikey: how many webmasters have access to their own Apache? How many know enough C to make Apache behave in that way?

[NobleSavage]

Originally Posted by cash29

If he can hack on Apache's source code, then yes. Although, this seems somewhat unlikey: how many webmasters have access to their own Apache? How many know enough C to make Apache behave in that way?

Couldn't you just use:

<?php
header('Last-Modified: ' . $date_string ');
?>

[cash29]

Originally Posted by NobleSavage

Couldn't you just use:

<?php
header('Last-Modified: ' . $date_string ');
?>

PHP can do that ? Oops, my bad, just goes to show how much of it I really know