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[JSA] RADIUS authentication with Clear Pass fails in JSA



Article ID: KB36557 KB Last Updated: 09 Mar 2021Version: 1.0

When RADIUS authentication is used with Clear Pass in Juniper Secure Analytics (JSA), JSA tries to communicate with the default NAS IP-Address ( for authentication with Clear Pass and authentication fails. This is because the default NAS IP-Address configured in JSA is

This article explains how to change the default NAS IP-Address configuration and ensure that authentication succeeds.


  • When trying to log in to the GUI via the user-defined accounts (RADIUS authentication already configured), the login fails.

  • The NAS IP-Address under the RADIUS protocol in the packet capture shows the IP-Address as



By default, the NAS IP-Address configured in JSA is and that is why JSA is using the NAS IP-Address as



The NAS IP-Address is configured in the /opt/qradar/conf/login.conf file in JSA.

To change the NAS IP-Address:

  1. Execute the following:

    1. cd /opt/qradar/conf/
    2. cp login.conf login.conf.old
    3. vi login.conf
  2. Modify the NAS IP-Address field with the IP-Address used for JSA management. Ensure that there is an "@" at the beginning of the IP-Address. 

  3. After the file has been modified and saved, verify and confirm that the changes have been successfully incorporated. 

  4. Execute a full deploy of the services from the WebUI. After the full deploy, the NAS IP-Address should use the JSA Management IP-Address (as specified in the login.conf file). 


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