Dahua DH-XVR5416L-X User Manual page 303

5.19.3.1 Configuring Firewall
Step 1 Select Main Menu > SYSTEM > SECURITY > Firewall.
The Firewall interface is displayed. See Figure 5-261.
Step 2 Select Enable to enable function in the Type list.
Step 3 Configure the parameters. See Table 5-77.
Parameter
Type
Mode
Add
IP Address
Start Port
Figure 5-261
Description
In the Type list, you can select Network Access, Sync
Time-Whitelist, Forbid Ping and Semi Join.
Network Access: Configure access right of IP host.

Sync Time-Whitelist: Allow designated IP host to synchronize

or change Device time. Prevent multiple IP hosts from
synchronizing system time with one Device repeatedly.
Forbid Ping: The Device does not respond to Ping requests.

Semi Join: Protect Device operation from hacker attack.

Mode can be configured when Type is Network Access.
 If Trusted Sites is enabled, you can visit device port
successfully with IP/MAC hosts in Trusted Sites.
 If Blocked Sites is enabled, you cannot visit device port with
IP/MAC hosts in Blocked Sites.
When Type is Network Access, you can configure IP Address, IP
Segment and MAC Address.
Enter IP Address, Start Port and End Port that is allowed or
forbidden.
Local Configurations 287