phishing irule prevent access from anywhere to my web

Hi, i am trying to use the phishing irule that F5 published, but when using it my web site stops working, i don;t have any clue why is it happen, maybee someone can help on this,

 

of course the refere and file types are in the data group columns

 

web:

 

http://www.mizrahi-tefahot.co.il

 

 

irule:

 

when HTTP_REQUEST {

 

if {[HTTP::version] == "1.1"} {

 

if {[HTTP::header is_keepalive]} {

 

HTTP::header replace "Connection" "Keep-Alive"

 

}

 

HTTP::version "1.0"

 

}

 

if { [matchclass [HTTP::header "Referer"] starts_with $::valid_referers] < 1 } {

 

log "

 

if { ([string tolower [HTTP::method] ] eq "get") && ([matchclass [HTTP::uri] contains $::file_types] > 0 )} {

 

discard

 

} elseif { ([HTTP::header exists "Content-Type"]) && ([HTTP::header "Content-Type"] starts_with "text" ) } {

 

set respond 1

 

}

 

}

 

}

 

when HTTP_RESPONSE {

 

if { $respond == 1 } {

 

if { [HTTP::header exists "Content-Length"] } {

 

set content_len [HTTP::header "Content-Length"]

 

} else {

 

set content_len 4294967295

 

}

 

if { $content_len > 0 } {

 

HTTP::collect $content_len

 

}

 

}

 

}

 

when HTTP_RESPONSE_DATA {

 

set bypass [string first -nocase "" [HTTP::payload] ]

 

if { $bypass != -1 } {

 

HTTP::payload replace $bypass 0 "type=\"text/javascript\">\n if (top.frames.length!=0) {\n if

 

(window.location.href.replace)\n top.location.replace(self.location.href);\n

 

else\n top.location.href=self.document.href;\n }\n \n"

 

} else {

 

HTTP::respond 500

 

}

 

}