User-agent: * 
Disallow: _vti_cnf
Disallow: _vti_cnf/
Disallow: /_vti_cnf/
Disallow: ../_vti_cnf/
Disallow: /../_vti_cnf/
Disallow: /../../_vti_cnf/
Disallow: /../../../_vti_cnf/
Disallow: /../../../../_vti_cnf/
Disallow: /../../../../../_vti_cnf/
Disallow: /../../../../../../_vti_cnf/
Disallow: /../../../../../../../_vti_cnf/
Disallow: /../../../../../../../../_vti_cnf/