User's Manual
391
Enter the IP address, start port and end port, and then click
OK
.
●
IP segment.
Enter the start address and end address, starting port and ending port, and then click
OK
.
●
MAC address.
Enter the MAC address, and then click
OK
.
Step 5
Click
Apply
.
5.14.3.2 Account Lockout
Procedure
Step 1
Select
Main Menu
>
SECURITY
>
Attack Defense
>
Account Lockout
.
Figure 5-283 Account lockout
Step 2
Set parameters.
Table 5-80 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.
Lock Time
Set how long the account is locked for.
Step 3
Click
Apply
.
5.14.3.3 Anti-DoS Attack
You can enable
SYN Flood Attack Defense
and
ICMP Flood Attack Defense
to defend the Device
against Dos attack.
Summary of Contents for NVR21-4KS3 Series
Page 1: ...Network Video Recorder User s Manual ZHEJIANG DAHUA VISION TECHNOLOGY CO LTD V2 3 5...
Page 97: ...User s Manual 77 Figure 2 118 Alarm input port 1...
Page 123: ...User s Manual 103 S3 NVR41 EI NVR41 P EI NVR41 8P EI Figure 3 48 Typical connection...
Page 129: ...User s Manual 109 Series Figure 3 56 Typical connection...
Page 142: ...User s Manual 122 Figure 5 9 Unlock pattern login...
Page 156: ...User s Manual 136 Figure 5 24 AcuPick human detection...
Page 225: ...User s Manual 205 Figure 5 92 AcuPick human detection...
Page 399: ...User s Manual 379 Figure 5 268 Pattern login...
Page 436: ...User s Manual 416 Figure 5 306 File management Step 2 Click Add Figure 5 307 Add file...
Page 456: ...User s Manual 436 Figure 5 330 Shutdown 2...
Page 485: ...User s Manual...
