Configure your computer for Standalone Portal Configure your computer to trust Standalone Portal when it uses a self-signed SSL certificate. Trust the certificate before you sign in to Kobiton Portal or use virtualUSB. Before you start You’ll need to complete the following: Set up virtualUSB on your computer. Trust self-signed SSL certificate (Standalone only) Import the certificate on each computer that runs virtualUSB. Ask your IT administrator for the root CA certificate that issued the SSL end-entity certificate. It is typically named root.crt or ca.crt. Transfer the certificate file to the computer, then follow the steps for your operating system. macOS Windows Linux Open Keychain Access. Open Finder, go to the location of the root CA certificate file, then drag the file into Keychain Access. Double-click the newly added certificate file. In the dialog, select Always Trust from the dropdown list for the two fields: Secure Sockets Layer (SSL) X.509 Basic Policy Close the dialog, then enter the administrator password for the computer to save the changes. Double-click the certificate file, then select Install Certificate on the Certificate window. On the next screen, select Local Machine. This requires administrator privileges. On the next screen, select Place all certificates in the following store, then select Browse. Select Trusted Root Certification Authorities, then select OK. Select Next, then Finish. The root CA certificate is now in the computer’s trust store. Trust the certificate using the steps for your distribution: Debian-based: copy the certificate to /usr/local/share/ca-certificates (create the directory if it does not exist), then run update-ca-certificates as root. Arch or Fedora: copy the certificate to /etc/ca-certificates/trust-source/anchors, then run update-ca-trust as root. After importing the certificate, restart virtualUSB, then sign in to Kobiton Portal.