User-agent: StackRambler
Disallow: /

User-agent: *
Disallow: /contact.php
Disallow: /custom.php
Disallow: /exit.php
Disallow: /signup.php
Disallow: /tracker.php
Disallow: /tos.php
Disallow: /includes/
Disallow: /includes/google_adsense_script.html
Disallow: /webmaster.php