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  2. MIDRANGE-L
  3. March 2020

RE: IBM IP Addresses / Ports

I show these two addresses for ECS:
129.42.160.16
207.25.252.196

I set them up years ago at the direction of IBM support due to ECS issues when I configured our load-balance/fail-over NIC setup.



-----Original Message-----
From: midrangel@xxxxxxxxxxxxxxxxx [mailto:midrangel@xxxxxxxxxxxxxxxxx]
Sent: Monday, March 30, 2020 7:17 AM
To: 'Midrange Systems Technical Discussion' <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: IBM IP Addresses / Ports

A couple of my customers have put requirements it to lock down inbound/outbound communications in their firewalls to only known addresses.
I've been asked for a list of IBM IPs and ports that need to be open. I've compiled the following list. Does anyone know of any others that I need to add? I can't find any specific information on ESS but I suspect that's because IBM only uses Download Director for that function. Here's the list so far: ( I tried to format it so all the mail clients won't mess it up )



Description IBM IP Addresses Ports

Fix Central 170.225.15.105

Fix Central 170.225.15.104

Fix Central 170.225.15.107

Fix Central 129.35.224.105

Fix Central 129.35.224.104

Fix Central 129.35.224.107



www6.software.ibm.com 170.225.15.41 443

www.ecurep.ibm.com <http://www.ecurep.ibm.com> 192.109.81.20
443

eccgw01.boulder.ibm.com 207.25.252.197 443

eccgw02.rochester.ibm.com 129.42.160.51 443

www-945.ibm.com 129.42.26.224 443

www-945.ibm.com 129.42.34.224 443

www-945.ibm.com 129.42.42.224 443

esupport.ibm.com 129.42.56.189 443

esupport.ibm.com 129.42.58.189 443

esupport.ibm.com 129.42.58.189 443

www-03.ibm.com 204.146.30.17 443

www-03.ibm.com 204.146.30.17 80



Ports open on all addresses: 5024


5026


5028

--

Jim Oberholtzer

Agile Technology Architects





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