19
Whitelist:
Only devices with an IP address added to this list can access the
internet.
Blacklist:
Devices with an IP address added to this list cannot access the
internet.
5.7.6
NAT.Settings
In general, using NAT technology to convert private network addresses in IPv4
headers to public network addresses, multiple users on the private network
can access the internet simultaneously with a small number of public network
addresses. You can only choose one of the following four types of NAT.
1) Full Cone NAT
2) Symmetric NAT
3) Address Restricted Cone NAT
4) Port Restricted Cone NAT
5.7.7 DDoS
Denial-of-service attacks are an attack method widely used by hackers at
present. It monopolizes network resources and prevents other hosts from
accessing normally, which results in downtime or network paralysis. You can
enable the following two methods to prevent DDoS attacks.
1) Enable SYN-flood protection
2) Drop invalid packets
5.8
Management
5.8.1 SNTP
SNTP can automatically synchronize the computer time with the internet, you
can select your time zone.
5.8.2 Modular Antenna
You can view the current antenna status. When you insert an external antenna
into your device, be sure to click
Antenna.External
to enable the external
antenna. There are three antenna states:
1)
Built-in:.
Device default antenna.
2)
External:.
The device is plugged into a third-party manufacturer's antenna.
3)
General:
The device is plugged into the antenna provided by the
manufacturer.
Summary of Contents for HH42NK
Page 1: ...User Manual ...