User-agent: *spider*
Disallow: /

User-agent: *YodaoBot*
Disallow: /

User-agent: *
Disallow: /*.txt

User-agent: *

Allow: /marcos.php
Disallow: /sistemas
Disallow: /afiliados
Disallow: /cgi-bin
Disallow: /correo
Disallow: /efectos
Disallow: /fondos
Disallow: /misbanners
Disallow: /php_functions
Disallow: /visitantes
Disallow: /blanco.html
Disallow: *.txt
Disallow: /administrador.html
Disallow: /acerca
Disallow: /bases