I have been asked to troubleshoot a printing problem involving a Borderware Firewall
and an IBM mainframe using VTAM and VPS for printing. The printer will work when it
is outside the Firewall, but not inside. The mainframe will start to send the print
job and about one page will print. Then nothing happens. The mainframe says it is
waiting for a signal from the printer to start sending the job again.
We think that the firewall may be blocking either the port or the protocol that the
mainframe needs to see to resume printing. We can't seem to get any information on
just what that would be.
Has anyone out there seen a similar problem?
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