<p>No and no . <br>
I am using it in my route[RTPPROXY] like this : <br>
if (is_request() && !isflagset(FLT_NAT)) {<br>
   if(check_route_param("nat=yes")) {<br>
       setflag(FLT_NAT);<br>
   } <br>
}</p>

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