IBM Support

DNS resolution not working inside the QRadar application containers

Troubleshooting


Problem

The QRadar application container fails to resolve DNS, preventing the collection and transmission of data between external public sites. Because of this applications are not working as expected.

Symptom

  1. Application which rely on connection with internet or external sites are not working as expected.
  2. After running the nslookup for any FQDN returns error message "could not resolve host" inside the container.

Document Location

Worldwide

[{"Type":"MASTER","Line of Business":{"code":"LOB77","label":"Automation Platform"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSBQAC","label":"IBM Security QRadar SIEM"},"ARM Category":[{"code":"a8m0z000000cwt3AAA","label":"QRadar Apps"}],"ARM Case Number":"TS015627828","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"All Versions"}]

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Document Information

Modified date:
25 April 2024

UID

ibm17148306