User-agent: *
Disallow: /modules.php
Disallow: /forum/index.php?action=profile
Disallow: /forum/index.php?action=unread

User-agent: Googlebot
Disallow: /forum/index.php?action=profile
Disallow: /forum/index.php?action=unread

User-agent: Googlebot-Image
Disallow: /forum/index.php?action=profile
Disallow: /forum/index.php?action=unread

User-agent: Googlebot-Mobile
Disallow: /forum/index.php?action=profile
Disallow: /forum/index.php?action=unread