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Add a parameter that contains a list of IP / DNS entries that will be ignored by CD

There are different applications in an enterprise network that may poll the CD server and client ports: Load balancer that are doing TCP checks to ensure the CD Service is running, security audit softwares that are checking if the port opened on a server are secured.

All these applications will generate error events in CD: For CDW (LSMG600I, LCOA007I), for CDU (XCMM023I)

The change requested is the addition of an initialization parameter that will contain a list of IPs / DNS entries for which all the incoming request will be ignored by CD. Basically the same functionality that is available in the CD Adapter of Sterling Integrator with the parameter health.check.address in the cdinterop-log.properties file.

  • Guest
  • Jun 4 2019
  • Planned for future release
What is your industry? Insurance
How will this idea be used?

A list of IPs / DNS entries will be defined at the node level. All requests coming from these sources will be ignored by CD.

  • Admin
    Chris Sanders commented
    15 Mar, 2021 05:18pm

    Thank you for the additional feedback that has been added to this request. We have discussed this issue further and believe we may have some options to minimize statistics entries that are added when full-open health check activity is performed. I have reversed our decision to decline this and will look to deliver these changes moving forward.


    Sincerely,

    Chris Sanders

    Connect:Direct Offering Manager

  • Guest commented
    12 Mar, 2021 05:24pm

    IBM should seriously consider this as it is an issue for many CD/Control Center customers. Many scans that occur on port 1364 do not have the option for tcp half open.

  • Guest commented
    17 Jul, 2020 02:23pm

    Hi Chris,

    We are now in the situation described below as we are using the IBM Certified Container Version. The CD statistics are literally polluted because of errors caused by the AWS LB polling. A solution needs to be found on the software to prevent this errors.

    Regards,

    Thibaut

  • Guest commented
    16 Jul, 2019 12:01pm

    Hi Chris,

     

    What if the ability to use a TCP half-open health check isn't available (i.e. for example on AWS load balancers)? Are there any other options we have currently?

     

  • Admin
    Chris Sanders commented
    15 Jul, 2019 05:13pm

    Thank you for opening this enhancement request with IBM. I have reviewed it thoroughly with my team and we don't believe we'd be able to create a black list to ignore IPs in the near term due to the scope of changes that would be necessary. We typically suggest that if something is performing a health check on the C:D host port (1364 by default) that a TCP half-open be used instead of a full open. This minimizes error messages that are generated in the logs. I'm sorry that I'm not able to accept this request, but please don't hesitate to use the tool again if you have another idea we could consider.

    Sincerely,

    Chris Sanders

    Connect:Direct Offering Manager

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