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H8922 3G/4G Router User Manual
Figure 5-40
The configuration page of MASQ
Step 2
Configure the parameters of MASQ rule.
Table 5-25
The instruction of parameters of MASQ rule
Parameter
Details
Operation
Interface
Select the IP of an interface as the communica-
tion address between the router LAN and the out-
side.
Select from Dropdown List:
⚫
br0
⚫
modem
⚫
eth0
⚫
eth1
Step 3
Single click “save” to finish the configuration of MASQ.
MASQ rule: the source address of all packets in the LAN need to be transferred into the specific ip address of the router, so the PC
from the LAN can send packets out; If MASQ rule in the router will be deleted, the router LAN of the PC cannot communicate with
external network.
---END
The configuration of MASQ rule
DMZ is the abbreviation of "demilitarized zone" in English, and the Chinese name is "quarantine zone", also
known as "demilitarized zone". It is to solve the problem that the external network can not access the internal
network server after installing the firewall, and set up a buffer between the non-secure system and the security
system. This buffer is located in the small network area between the internal network of the enterprise and the
external network. In this small network area, you can place some serve r facilities that must be exposed, such as
enterprise web servers, FTP servers, and forums. On the other hand, through such a DMZ area, the internal
network is more effectively protected, because this kind of network deployment has an additional level for the
attacker compared to the general firewall scheme.
Step 1
Click “Forward > DMZ”.
See below:
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