User-agent: baiduspider 
Disallow: /

User-agent: *
Disallow: /cgi-bin/
Disallow: /Themes/default/images/
Disallow: /index.php?action=search
Disallow: /index.php?action=login
Disallow: /index.php?action=register
Disallow: /index.php?action=calendar
Disallow: /index.php?action=sendtopic
Disallow: /index.php?action=post
Disallow: /index.php?action=profile
Disallow: /index.php?action=stats
Disallow: /index.php?action=who

User-agent: Inktomi
Disallow: /