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User
’s Manual
93
ARP Protection
ARP protocol is used to associate an IP address to a hardware MAC address. ARP attacks
mainly occur on LAN, in which attackers use forged IP and MAC addresses. APR protection
prevents this kind of attacks by verifying the gateway's MAC address in all access requests.
Note that changing the NIC working mode will disable ARP protection automatically.
1.
Click
System
>
Security
>
ARP Protection.
2.
Select the desired NIC and then select
Enable ARP Protection
.
3.
Obtain the gateway's MAC address automatically, or select
Custom
and input the MAC
address.
4.
Click
Apply
to save the settings.
802.1x
802.1x is a port-based network access control protocol mainly used to solve authencation and
security issues on LAN.
Only certain NVR models support this function. Note that changing the NIC working mode will
disable 802.1x automatically.
1.
Click
System
>
Security
>
802.1x.
2.
Select the desired NIC and select the check box to enable 802.1x.
3.
Select the EAPOL version, and then enter the username and password of the authentication
server.
4.
Click
Apply
to save the settings.
Содержание ZNR
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