Dell EMC OpenManage Enterprise 3.9 User's Guide

By clicking OpenManage Enterprise > Application Settings > Security, you can secure your OpenManage Enterprise either by specifying the Restrict Allowed IP Range or the Login Lockout Policy.

• Expand Restrict Allowed IP Range:
  NOTE When "Restrict Allowed IP Range", is configured in appliance, any inbound connection to appliance, such as alert reception, firmware update, and network identities are blocked for the devices which are outside the given range. However, any connection that goes out of the appliance will work on all devices.
  1. To specify the IP address range that must be allowed to access OpenManage Enterprise, select the Enable IP Range check box.
  2. In the IP Range Address (CIDR) box, you can enter multiple comma-separated IP address ranges.
  3. Click Apply. To reset to default properties, click Discard.
     NOTE Apply button will not be enabled if multiple IP ranges are entered in the IP Range Address (CIDR) box.
• Expand Login Lockout Policy :
  1. Select the By User Name check box to prevent a specific user name from logging in to OpenManage Enterprise.
  2. Select the By IP address check box to prevent a specific IP address from logging in to OpenManage Enterprise.
  3. In the Lockout Fail Count box, enter the number of unsuccessful attempts after which OpenManage Enterprise must prevent the user from further logging in. By default, 3 attempts.
  4. In the Lockout Fail Window box, enter the duration for which OpenManage Enterprise must display information about a failed attempt.
  5. In the Lockout Penalty Time box, enter the duration for which the user is prevented from making any login attempt after multiple unsuccessful attempts.
  6. Click Apply. To reset the settings to default attributes, click Discard.