That's not one of the ports that are used in Navigator, so I would not
expect to see it.
The closest is 3825 which is the debug server, clearly not what you're
looking for.

Jim Oberholtzer
Chief Technical Architect
Agile Technology Architects

On Tue, Nov 23, 2021 at 12:29 PM Greg Wilburn <
gwilburn@xxxxxxxxxxxxxxxxxxxxxxx> wrote:

Anyone know why a Power 9 system running v7r3 would use TCP port 3389 to
contact a telnet device (Motorola/Zebra Radio Frequency device running 5250

This occurred yesterday and the security software on our firewall shut
down access from that network to the IBM system.

[Logo]<> Greg Wilburn
Director of IT
301.895.3792 ext. 1231
301.895.3895 direct
1 Corporate Dr
Grantsville, MD 21536<>
This is the Midrange Systems Technical Discussion (MIDRANGE-L) mailing list
To post a message email: MIDRANGE-L@xxxxxxxxxxxxxxxxxx
To subscribe, unsubscribe, or change list options,
or email: MIDRANGE-L-request@xxxxxxxxxxxxxxxxxx
Before posting, please take a moment to review the archives

Please contact support@xxxxxxxxxxxxxxxxxxxx for any subscription related

Help support by shopping at with our affiliate

As an Amazon Associate we earn from qualifying purchases.

This thread ...


Follow On AppleNews
Return to Archive home page | Return to MIDRANGE.COM home page

This mailing list archive is Copyright 1997-2022 by and David Gibbs as a compilation work. Use of the archive is restricted to research of a business or technical nature. Any other uses are prohibited. Full details are available on our policy page. If you have questions about this, please contact [javascript protected email address].

Operating expenses for this site are earned using the Amazon Associate program and Google Adsense.