Dahua NVR41 series, Руководство пользователя

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User's Manual
352
Parameter Description
Start Address
Enter Start Address and End Address of IP Segment.
When Type is IP Segment, they can be configured.
MAC Address
Enter MAC Address that is allowed or forbidden
When Type is MAC Address, they can be configured.
Step 4 Click Apply to complete the settings.
4.15.3.2 Account Lockout
Step 1 Select
Main Menu
>
SECURITY
>
Attack Defense
>
Account Lockout
.
The Account Lockout interface is displayed. See Figure 4-254.
Figure 4-254 Account lockout
Step 2 Set parameters. See Table 4-84.
Table 4-84 Account lockout parameters
Parameter Description
Attempt(s)
Set the maximum number of allowable wrong password entries.
The account will be locked after your entries exceed the maximum
number.
Value range: 5
–30.
Default value: 5.
Lock Time
Set how long the account is locked for.
Value range: 5
–120 minutes.
Default value: 30 minutes.
Step 3 Click Apply to complete the settings.
4.15.3.3 Anti-Dos Attack
You can enable SYN Flood Attack Defense and ICMP Flood Attack Defense to defend the
device against Dos attack. See Figure 4-255.