Well done.

Actually the second port is used by an internal portmapper which has been 
implemented about 15 yearss ago.
I even remember times when there were 2 visible nsrexecd processes running.

This is a statement from the NW 8 Admin Guide:
"The nsrexecd command, when used on every type of NetWorker host, will always 
try to listen on ports 7937 and 7938. Both of these ports should therefore be 
kept available. Also, rpcbind (portmapper) should be running and available 
through the firewall in case port 7938 is not available. Otherwise, the 
NetWorker software will not function correctly."

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