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Status Future consideration
Workspace z/OS
Categories Communications Server
Created by Guest
Created on Mar 29, 2023

RELATED IDEAS

zERT - Allow Exclude IPs from Reports

For some Reports like "show unencrypted communications" it would reduce the List if we can exclude some ip addresses. Even the "local IP" 127.0.0.1 should be excludable

The same situation, when server ip and client ip are equal.

Idea priority Medium
  • Guest
    Reply
    |     Jul 25, 2023
    We closed ZOS-I-515 (zERT Sessions Exclusion) about a year ago as part of a z/OS-wide effort to aggressively reduce the Idea backlog. This Idea (ZOS-I-3630) is indeed a similar Idea and when reviewing it, we decided with the continued customer interest that we should accept it as a candidate ("future consideration").
  • Guest
    Reply
    |     Jul 19, 2023

    Hello,

    when you refer to https://ibm-z-hardware-and-operating-systems.ideas.ibm.com/ideas/ZOS-I-515 and close this as a duplicate. How can ZOS-I-515 then be in the 'Not under consideration' state and this one here in 'Future consideration'?

  • Guest
    Reply
    |     Apr 17, 2023

    Hello,

    if i understand ZOS-I-515 correct, they only want a exclude for 127.0.0.1.

    We need three different exclude-Options (or a list of exclude-IPs):
    1) 127.0.0.1, because traffic in the machine seems to be ok - even unprotected.

    2) machine ip to machine ip: Is also localhost, but is not 127.0.0.1
    For example: 192.168.178.10 <any Port> to 192.168.178.10 Port 448
    Is in the same machine, like java-access to a db2-subsystem - or many more examples

    3) a special external machine: we use a security vulnerability scanner. This enginge tries to connect with no - with sslv2 - with sslv3 - with TLS 1.0... Security, testing for bad ciphers and so on.
    And so we have "nonsecure" communication on a port which definitively has only TLS 1.2 and good ciphers.
    But this is for all our opened ports - an a z/OS system has many of them...
    So we also need to exclude in the Report only one really external IP.

    The Monitoring of the "localhost"-connections should still be working. Only the filtering of the report is neccessary.

    Guenter

  • Guest
    Reply
    |     Apr 7, 2023
    Thanks for submitting this idea. Just want to clarify whether you are looking for this function to be added to the zERT Network Analyzer z/OSMF plugin or if you want it added to the actual zERT monitoring function in the TCP/IP stack.

    If it's the Network Analyzer plugin, please add your vote to https://ibm-z-hardware-and-operating-systems.ideas.ibm.com/ideas/ZOS-I-515 and we will close this Idea as a duplicate of ZOS-I-515. If we do that, we will link this Idea to ZOS-I-515 so the additional detail you have included will be preserved.

    If it is the monitoring function itself, we would not be inclined to add such selectivity to that function for a variety of reasons.

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