appliance-key is used for mutual TLS authentication with Broadcom services.
If certificate expires it can impact communication between Edge SWG and Broadcom services (ex. downloading Content-Filtering database from subscriptions.es.bluecoat.com)
In the Management Console, select Configuration > SSL > Appliance Certificates > Request appliance certificate.
In the CLI, enter the following commands:
SG#config t
SG#(config)ssl
SG#(config ssl)request-appliance-certificate
SG#(config ssl)show ssl keyring appliance-keyThis will renew the certificate of the appliance-key for five more years.
Note: A restart is required for the new appliance certificate to take effect immediately.
Refer to Renew the Edge Secure Web Gateway (formerly ProxySG) appliance certificate for more details regarding appliance certificate renewal on Edge SWG (ProxySG) platforms.