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<p>Hi Mark, <br>
</p>
<p> If your initial goal is to get the interface IP where request is
received then you can try these variables.<br>
</p>
<p><strong>$Ri</strong> - reference to IP address of the interface
where the request has been received
</p>
<p><strong>$Rp</strong> - reference to the port where the message
was received <br>
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