Dahua NVR41 series, User Manual

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User's Manual
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4.15.6 Security Warning
4.15.6.1 Security Exception
Step 1 Select Main Menu > SECURITY > Security Warning > Security Exception .
The Security Exception interface is displayed. See Figure 4-261.
Figure 4-261 Security Exception
Step 2 Select Enable and configure parameters. See Table 4-89.
Table 4-89 Security exception parameters
Parameter Description
Alarm-out Port
The alarm device (such as lights, sirens, etc.) is connected to the
alarm output port. When an alarm occurs, the NVR device
transmits the alarm information to the alarm device.
Post-Alarm
When the alarm ends, the alarm extended for a period of time. The
time range is from 0 seconds to 300 seconds.
Show Message Check box to enable a pop-up message in your local host PC.
Buzzer Select the check box to activate the buzzer when an alarm occurs.
Alarm Tone
Check the box and then select the corresponding audio file from
the dropdown list. System plays the audio file when the alarm
occurs.
See "4.18.1 File Management" to add audio file first.
Log
Select the check box, the NVR device records the alarm
information in the log when an alarm occurs.
Send Email
Select the check box. When an alarm occurs, the NVR device
sends an email to the set mailbox to notify the user.
You need to set the email first. For details, see "4.12.10 Email".
Security Event monitoring explanation. It indicates the type of
attacks that can trigger security exception.
● Unauthorized executable program trying to run
● Web URL brute-force attack
● Session connection overload
● Seesion ID brute-force attack
Step 3 Click Apply to complete the settings.