GEN:SID 1:990
Message WEB-FRONTPAGE _vti_inf.html access
Summary This event is generated when an attempt is made to access a file with '_vti_inf' in the name.
Impact Information gathering.  This attack can leak the version number and scripting paths of Microsoft FrontPage.
Detailed Information Microsoft FrontPage provides software for web designers to generate and administer web pages.  The file '_vti_inf.html' contains FrontPage configuration information of version number and scripting paths that is normally used by a FrontPage client to communicate with the server.  An attacker can craft a URL to access this file to disclose the version number and scripting paths.
Affected Systems ???
Attack Scenarios An attacker can craft a URL to access the '_vti_inf' file to learn the version and scripting paths of FrontPage.
Ease of Attack Simple.
Corrective Action Apply patches and upgrade to most current version of FrontPage.
Additional References  
Rule References nessus: 11455