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KB43927 - Pulse VPN tunnel fails to establish on Linux Ubuntu with error message "Problem occurred while loading the URL. Unacceptable TLS certificate"

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Last Modified Date11/1/2018 9:25 PM
This article describes an issue where Ubuntu users are unable to establish a VPN connection with error message "Problem occurred while loading the URL.  Unacceptable TLS certificate."
Problem or Goal
Linux Ubuntu users have successfully installed the Pulse for Linux client and have created a connection to the PCS device, however, when they attempt to connect, the connection fails with the following error message:
Problem occurred while loading the URL.  Unacceptable TLS certificate.

This issue will occur if a self-signed certificate is being used on the PCS device and the certificate has not been downloaded and stored on the Linux client.
Follow the steps below to resolve this issue
  1. From the PCS admin console, navigate to Configuration > Certificate > Device Certificates
  2. Select the certificate that has been applied to the port the user is connecting to.
  3. From the Certificate Details page, under Certificates click Download to download the self-signed certificate. 
  4. Send the certificate to the Linux Ubuntu user and instruct the user to copy the certificate to the following directory:
  1. Then have the user run the following command to register the certificate with a valid host name:
$ sudo cp <PCS Hostname>.crt /usr/local/share/ca-certificates/<PCS Hostname>.crt
  1. Instruct the user to then run the following command to update the certificate store:
$ sudo update-ca-certificates --fresh
  1. Click on connect button from Pulse GUI to connect with Pulse Secure VPN.
Related Links
Attachment 1 
Created BySahil Mahajan



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