Linux GUI ISA App Connection Error "Device Authentication Failed"

This Article highlights the steps to be taken in case users are unable to connect the ISA App on Linux GUI systems and the error message received is "Device Authentication Failed".

Issue

The Linux GUI ISA App doesn't connect as expected and the error "Device Authentication Failed" is observed.

The Linux Terminal will also display the following error message:

“javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target”

Solution

Step 1: Open Terminal and run the command "cd $JAVA_HOME" without inverted commas.

Sample output:

bash: cd: /usr/local/java/jdk1.8.0_25: No such file or directory

JAVA_HOME environment variable points to the directory where the Java runtime environment (JRE) is installed on your computer. This directory may vary across systems depending on the version of Java installed.

Step 2: Copy the CA Certificates from the above mentioned path (highlighted in red) to /etc/ssl/certs/java/cacerts

cp /usr/local/java/jdk1.8.0_25/jre/lib/security/cacerts /etc/ssl/certs/java/cacerts

If the issue persists after following these steps, please contact your organization's IT Team

If you are an Admin of the organization's ISA Account and need assistance, contact InstaSafe Support

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