Firewall Management
You can configure items such as:
- Enable or disable ports.
- Configure port numbers per interface (Eth1, Eth2, WiFi, GPRS/3G), except where noted in Port Settings.
- Enable upstream network access.
- Enable Account Lockout policy.
Disabling unused ports (determined by your network selection in
) can help prevent unauthorized access.Upstream Network Access
This feature allows downstream devices to access servers (such as DNS, SNTP, and SMTP) on the upstream network.
Upstream Network Access is disabled by default. It is recommended to leave this setting disabled unless it is required to publish data or send event messages from downstream clients.
Account Lockout Policy
Account lockout feature disables a user account when the number of failed login attempts exceeds the set limit within a predetermined time interval. You can configure the following:
-
Enable account lockout Account lockout policy is enabled by default. Select No to disable this feature. It is recommended to keep the Account Lockout feature enabled to secure the device from unauthorized access.
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Reset account lockout counter (number of attempts) determines the number of invalid login attempts allowed before user account gets disabled. The default is set to 10 attempts.
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Account lockout duration (minutes) determines amount of time user account remains disabled. The default is set to 15 minutes.