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App Control: "Failed Signature Verification" error when installing packages on the 8.1.4 Server

App Control: "Failed Signature Verification" error when installing packages on the 8.1.4 Server

Environment

  • App Control (Formerly CB Protection) Server: Version 8.1.4
  • Rules Installer package
  • Agent installer package (Windows, Linux, Mac)

Symptoms

  • Adding Rules and/or Agent installers to the console causes an error
  • "Install Failed" subtype events in the App Control Console
C:\Program Files (x86)\Bit9\Parity Server\HPIFiles\RulesInstaller.exe failed signature verification 
C:\Program Files (x86)\Bit9\Parity Server\HPIFiles\WindowsHostPackageInstaller.exe failed signature verification

 

Cause

The App Control Server is unable to go out to the internet to check the certificate revocation list

Resolution

The workaround to this was to temporarily turn off certificate checking
  1. Open https://<servername>/shepherd_config.php
  2. Change the `hostPackageInstallerSignatureCheck` config to `false`
  3. Re-run the installation of the Rules/Agent installer packages in the App Control Console
  4. After they have successfully installed, go back to https://<servername>/shepherd_config.php and change the `hostPackageInstallerSignatureCheck` value back to `true`

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Creation Date:
‎09-09-2020
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