Which panel of the SonicOS management interface is used to define password restrictions?

The appropriate panel for defining password restrictions in the SonicOS management interface is found under "Manage -> Appliance -> Base Settings -> Login Security." This section specifically addresses login security configurations, allowing administrators to set parameters such as password complexity, expiration policies, and lockout settings. By focusing on the necessary security measures for user access, this panel ensures that the firewall maintains robust defenses against unauthorized access attempts.

Other options, while related to different aspects of SonicWall management, do not pertain specifically to password restrictions. User Management deals with the administration of user accounts but does not provide the same level of detail regarding password policies. The Access Control logs focus on monitoring and reporting rather than setting restrictions, and Access Policy settings are more about traffic control between networks than user authentication. Hence, the designation of password restrictions is exclusive to the Login Security feature within the Base Settings of the appliance management interface.