Re: Mocha TN5250 connects but not Client Access

We use client access for tn5250 emulation across campus but do not install
any other part of client access. A very few people get the file transfer
also. You don't need to install all the functions of the fat client if you
don't need it.

Sent from my iPad

On Aug 9, 2015, at 3:59 PM, midrange <franz9000@xxxxxxxxx> wrote:

Welcome to fat client versus thin client, an argument that is decades

old.

The extra features in CA are the result of customers requesting the
functions.
Btw-fewer ports used (by itself) does not = better security.
CA gives admins the tools to secure various features and what the user

sees.

Mocha fills a need for some customers as well.
Jim

-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of
Justin Dearing
Sent: Sunday, August 09, 2015 11:30 AM
To: Midrange Systems Technical Discussion
Subject: Re: Mocha TN5250 connects but not Client Access

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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