EXPERT RESPONSE
I'm not sure I understand the question well (part of that may be that I
am not a "TCP/IP expert". How does it list those ports? As listening
or established? It sounds like it is just listening which means it is
just waiting for a connection. So perhaps your application is just not
working or trying to use the port when you are using the NETSTAT
command.
There are parms within TCP/IP that restrict port usage by range and
parms that reserve ports for certain job names. However, it is not
required to reserve the port to a particular job (but it is good
practice). Those port assignments can be made in the "MVS" stack
within the TCP/IP parms or from the Unix stack (/etc/services).
For more information, please see the various TCP/IP manuals on
the z/OS Communications Server bookshelf:
http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/Shelves/F1A1BK5.
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