ofrias

Hi demoive. Thanks a lot for your reply.

The problem is that we are on Ubuntu 12.04 and we will not upgrade to another release in the longterm because of another dependency. And the version of PHP that ships with Ubuntu 12.04 is 5.3.

Jeremy, do you have this kind of code in your HTML header?:

…
<link rel=’archives’ title=’February 2009′ href=’https://yourblog.com/2009/02/&#8217; />
<link rel=’archives’ title=’January 2009′ href=’https://yourblog.com/2009/01/&#8217; />
<link rel=’archives’ title=’December 2008′ href=’https://yourblog.com/2008/12/&#8217; />
<link rel=’archives’ title=’November 2008′ href=’https://yourblog.com/2008/11/&#8217; />
<link rel=’archives’ title=’October 2008′ href=’https://yourblog.com/2008/10/&#8217; />
…

If this is your case, maybe the problem is that ‘bad behaving’ browsers are accessing all this links at once after finding them inside the HTML header.

I have this links in my header and I am seeing the pattern that you describe in my logs.

Try removing the call to wp_get_archives() in your theme (file header.php). I have removed it. Let’s see if I stop seeing the ‘attack’ in my logs.

Jeremy, please let us know if this fixes your problem.

Just a clarification. wp-comments-post.php returns a blank page if you directly access it, this is OK, not a problem.
Richard, thanks, but all the parameters are OK in my templates, this is not the problem.

Any other idea?

I am having a similar problem in one of my two blogs.

Some users get a blank page when posting a comment in:
https://blog.trabber.com

While the same users with the same setup can comment successfully in this blog:
https://frias.info

I tried using the same (default) theme in both blogs and the behavior was the same.
Wordpress configuration is exactly the same for both weblogs.

The only difference in the setup is Apache/PHP/OS versions. You can check them at:
https://blog.trabber.com/phpinfo.php
https://frias.info/phpinfo.php

Any idea?

Thanks in advance,
Oscar.