I'm assuming I've made a mistake in packet filters, although don't
anything untoward.
My default Filters are as per Craig, Tip #13.

A system in my DMZ, which has its own Public address is reporting
that it
is detecting and blocking traffic fromthe BM server on Port 427 ( SLP
although its listing the Private address of the BM server !!

binding issue ?

He Wakes up at night screaming "Take out Pedro! Take out Pedro!" Ha