On Sun, Aug 9, 2015 at 10:54 AM midrange <franz9000@xxxxxxxxx> wrote:

As usual, ibm constantly changing the website makes it difficult to find
the
list of ports
Required - here is a 2014 version

http://www-01.ibm.com/support/docview.wss?uid=nas8N1019667

I will guarantee Mocha does not have same requirements


I don't understand why Client Access would need any ports besides the
telnet port to give you a greenscreen session. I get that client access is
a lot more than an implementation of the telnet 5250 protocol, while
mochasoft, tn5250, tn5250j, x5250, etc are just greenscreen (and maybe
printer) clients. However, if I was a network admin in a situation where I
had to give an office/factory/warehouse full of people greenscreen access
to some RPG app that didn't have a web front end, I'm not going to want any
subnets besides the ones IT uses to connect to have access to all that
extra functionality. Principle of least privilege. That basically means
that I'm going to prefer a third party 5250 client for security purposes.

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