Deter comment spam

[Murat]

add comment spammers  adding rel="nofollow" tag  ??? . e.g details.php, image desc., comment. without mywebsite.

similar mod http://www.phpbb.com/phpBB/viewtopic.php?t=259827

[V@no]

Is there a question in your post?

[EDIT]
http://googleblog.blogspot.com/2005/01/preventing-comment-spam.html

[Murat]

thanks V@no for reply .

no no.

otomatic added user comment and image desc. add "nofollow" tag . for 4images.

example.

<a href="http://www.4homepages.de" rel="nofollow" target="_blank">http://www.4homepages.de</a>

[V@no]

You can try replace in includes/functions.php:

Code: [Select]

  $text = str_replace("\\'", "'", $text);
  return replace_badwords($text);
}With this code:

Code: [Select]

  $text = preg_replace("#(<a href=(\"|')(.*)://(.*)(\"|')(.*)>(.*)</a>)#siUe", "nofollow(\"\\1\",'\\4')", $text);

  $text = str_replace("\\'", "'", $text);
  return replace_badwords($text);
}
function nofollow($text, $url)
{
  $url = str_replace("\\", "/", $url);
  $url = strtolower(substr($url,0,(strlen($url)-strlen(strrchr($url,"/")))));
  if ($url == $_SERVER['SERVER_NAME'] || $url == $_SERVER['SERVER_ADDR']) return $text;
  $text = preg_replace("#<a href=(\"|')(.*)://(.*)(\"|')(.*)>(.*)</a>#iU", "<a href=\\1\\2://\\3\\4\\5 rel=\"nofollow\">\\6</a>", $text);
  return $text;
}Its quiet dirty fix, and it affects all links that being sent through format_text() function (not only comments)

[Murat]

thanks for your kind.

I added your code. it is successful.

Recent:

1. it is adding "nofollow" tag to other websites and mywebsite in image desc. (it must not add it to url of mysite)

2. it is adding "nofollow" tag to other websites not adding mywebsite. (There is no problem user comment)

if you answer i will be happy .

[V@no]

Well, it adds rel="nofollow" tag to EVERY links that being displayed on the page, EXEPT for links that point to the same domain as the page itself.
For example if site located on http://example.com/4images then links like http://example.com/blah/blah/so/on.html will not get nofollow tag (same domain), but links like http://google.com or http://subdomain.example.com will get the tag (different domains).

[Murat]

thanks for kind. i see.

thanks for your kind.

I added your code. it is successful.

Recent:

1. it is adding "nofollow" tag to other websites and mywebsite in image desc. (it must not add it to url of mysite)

2. it is adding "nofollow" tag to other websites not adding mywebsite. (There is no problem user comment)

if you answer i will be happy .

i meaned, it must not add "nofollow" to url of mysite but it must add "nofollow" other website link on 1. section.
is it posiable? re thanks.

[V@no]

Thats how it works. Its not much of modifications for you to wait 1 day for an answer instead of just test it yourself