Directory Traversal Attacks

hi all,
I am a web app penetration tester and wanted to know
that if a web server like an IIS 5.0 gives away the
webroot path, what would be the directory traversal
techniques to 
get to the webroot.Basically what can one do or wht
technique one can apply from the revealed webroot path
for this IIS 5.0 SERVER.

I am also looking for some sort of reference on the
internet where i could see directory traversal attacks
for sun solaris, linu with apache ,IIS 5.0
etc.

any help in this regard will be highly appreciated.


        
                
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