When the firewall is deployed behind a proxy, the following configuration is essential for registration, automatic signature downloads, and cloud updates.
To enable signature download or appliance registration through a proxy server
If the proxy requires authentication to allow access, enable This Proxy Server requires Authentication and provide a username and password of an account that is authorized to access the Internet through this proxy.
If you leave the password field empty, the current password value for this appliance remains unchanged.
If the firewall is not already registered, navigate to Device > Settings > Licenses and on the top-right click Login with MySonicWALL > enter the MySonicWALL username and password > click Register.