URI Redirect

This is because the you have [HTTP::path] equal "/" which means that it will only redirect when there is no URI in the domain.

For example this will redirect to maintenance if it matches 2 conditions

 
 when HTTP_REQUEST { 
    if { ([HTTP::host] eq "www.domainname.com") and ([HTTP::path] eq "/" } { 
    HTTP::redirect "http://[HTTP::host]/maintenance.html" 
    } 
 } 
 

If you want it to match on "/sitefolder" and "/"then you can do the following

 
 when HTTP_REQUEST { 
    if {[HTTP::host] eq "www.domainname.com") } { 
    switch -glob [HTTP::path] { 
    "/" { HTTP::redirect "/maintenance.html" } 
    "/sitefolder" { HTTP::redirect "/maintenance.html" } 
    } 
    } 
   } 
 

You can keep expanding to other URIs as well

I hope this helps

CB